./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8 --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 9e3065d54459a1af9237785e443ea1bc130aed8710eaae31e283e0fdf62db72d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:20:05,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:20:05,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:20:05,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:20:05,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:20:05,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:20:05,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:20:05,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:20:05,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:20:05,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:20:05,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:20:05,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:20:05,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:20:05,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:20:05,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:20:05,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:20:05,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:20:05,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:20:05,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:20:05,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:20:05,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:20:05,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:20:05,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:20:05,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:20:05,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:20:05,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:20:05,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:20:05,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:20:05,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:20:05,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:20:05,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:20:05,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:20:05,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:20:05,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:20:05,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:20:05,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:20:05,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:20:05,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:20:05,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:20:05,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:20:05,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:20:05,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:20:05,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:20:05,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:20:05,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:20:05,827 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:20:05,827 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:20:05,828 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:20:05,828 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:20:05,829 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:20:05,830 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:20:05,830 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:20:05,830 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:20:05,830 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:20:05,831 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:20:05,831 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:20:05,831 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:20:05,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:20:05,832 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:20:05,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:20:05,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:20:05,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:20:05,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:20:05,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:20:05,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:20:05,834 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:20:05,834 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:20:05,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:20:05,835 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:20:05,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:20:05,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:20:05,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:20:05,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:20:05,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:20:05,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:20:05,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:20:05,837 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:20:05,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:20:05,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:20:05,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:20:05,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:20:05,838 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_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3065d54459a1af9237785e443ea1bc130aed8710eaae31e283e0fdf62db72d [2021-11-07 01:20:06,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:20:06,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:20:06,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:20:06,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:20:06,155 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:20:06,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2021-11-07 01:20:06,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/data/c96360e2a/d93329eac3a44376ba8ff47b9dbd69e1/FLAG5dba68306 [2021-11-07 01:20:06,890 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:20:06,891 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2021-11-07 01:20:06,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/data/c96360e2a/d93329eac3a44376ba8ff47b9dbd69e1/FLAG5dba68306 [2021-11-07 01:20:07,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/data/c96360e2a/d93329eac3a44376ba8ff47b9dbd69e1 [2021-11-07 01:20:07,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:20:07,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:20:07,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:20:07,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:20:07,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:20:07,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:20:07" (1/1) ... [2021-11-07 01:20:07,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c1e350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:07, skipping insertion in model container [2021-11-07 01:20:07,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:20:07" (1/1) ... [2021-11-07 01:20:07,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:20:07,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:20:07,624 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_d65603d2-c51b-427f-8a23-6ded42d0b667/sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c[13371,13384] [2021-11-07 01:20:07,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:20:07,684 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) [2021-11-07 01:20:07,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a7aece4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:07, skipping insertion in model container [2021-11-07 01:20:07,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:20:07,686 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:20:07,689 INFO L168 Benchmark]: Toolchain (without parser) took 512.06 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 47.8 MB in the beginning and 87.9 MB in the end (delta: -40.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:07,690 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 56.4 MB in the beginning and 56.4 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:20:07,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.76 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 47.6 MB in the beginning and 87.9 MB in the end (delta: -40.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:07,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 56.4 MB in the beginning and 56.4 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 500.76 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 47.6 MB in the beginning and 87.9 MB in the end (delta: -40.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 225]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8 --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 9e3065d54459a1af9237785e443ea1bc130aed8710eaae31e283e0fdf62db72d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:20:09,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:20:09,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:20:10,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:20:10,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:20:10,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:20:10,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:20:10,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:20:10,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:20:10,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:20:10,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:20:10,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:20:10,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:20:10,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:20:10,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:20:10,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:20:10,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:20:10,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:20:10,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:20:10,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:20:10,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:20:10,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:20:10,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:20:10,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:20:10,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:20:10,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:20:10,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:20:10,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:20:10,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:20:10,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:20:10,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:20:10,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:20:10,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:20:10,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:20:10,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:20:10,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:20:10,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:20:10,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:20:10,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:20:10,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:20:10,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:20:10,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:20:10,190 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:20:10,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:20:10,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:20:10,192 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:20:10,192 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:20:10,192 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:20:10,193 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:20:10,193 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:20:10,193 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:20:10,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:20:10,196 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:20:10,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:20:10,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:20:10,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:20:10,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:20:10,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:20:10,197 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:20:10,198 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:20:10,198 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:20:10,198 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:20:10,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:20:10,198 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:20:10,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:20:10,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:20:10,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:20:10,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:20:10,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:20:10,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:20:10,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:20:10,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:20:10,201 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:20:10,201 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:20:10,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:20:10,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:20:10,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:20:10,202 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_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3065d54459a1af9237785e443ea1bc130aed8710eaae31e283e0fdf62db72d [2021-11-07 01:20:10,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:20:10,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:20:10,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:20:10,639 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:20:10,640 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:20:10,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2021-11-07 01:20:10,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/data/d9ea6cdc4/1b9ec71f1d264df4aa099192aaa19fce/FLAG37ca828ce [2021-11-07 01:20:11,329 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:20:11,330 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2021-11-07 01:20:11,347 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/data/d9ea6cdc4/1b9ec71f1d264df4aa099192aaa19fce/FLAG37ca828ce [2021-11-07 01:20:11,603 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/data/d9ea6cdc4/1b9ec71f1d264df4aa099192aaa19fce [2021-11-07 01:20:11,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:20:11,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:20:11,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:20:11,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:20:11,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:20:11,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:20:11" (1/1) ... [2021-11-07 01:20:11,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2c1d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:11, skipping insertion in model container [2021-11-07 01:20:11,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:20:11" (1/1) ... [2021-11-07 01:20:11,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:20:11,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:20:11,976 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_d65603d2-c51b-427f-8a23-6ded42d0b667/sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c[13371,13384] [2021-11-07 01:20:12,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:20:12,043 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:20:12,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:20:12,101 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_d65603d2-c51b-427f-8a23-6ded42d0b667/sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c[13371,13384] [2021-11-07 01:20:12,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:20:12,142 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:20:12,227 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_d65603d2-c51b-427f-8a23-6ded42d0b667/sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c[13371,13384] [2021-11-07 01:20:12,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:20:12,319 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:20:12,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:12 WrapperNode [2021-11-07 01:20:12,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:20:12,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:20:12,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:20:12,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:20:12,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:12" (1/1) ... [2021-11-07 01:20:12,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:12" (1/1) ... [2021-11-07 01:20:12,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:20:12,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:20:12,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:20:12,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:20:12,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:12" (1/1) ... [2021-11-07 01:20:12,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:12" (1/1) ... [2021-11-07 01:20:12,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:12" (1/1) ... [2021-11-07 01:20:12,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:12" (1/1) ... [2021-11-07 01:20:12,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:12" (1/1) ... [2021-11-07 01:20:12,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:12" (1/1) ... [2021-11-07 01:20:12,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:12" (1/1) ... [2021-11-07 01:20:12,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:20:12,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:20:12,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:20:12,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:20:12,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:12" (1/1) ... [2021-11-07 01:20:12,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:20:12,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:20:12,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:20:12,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:20:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:20:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:20:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:20:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:20:15,442 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:20:15,457 INFO L299 CfgBuilder]: Removed 350 assume(true) statements. [2021-11-07 01:20:15,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:20:15 BoogieIcfgContainer [2021-11-07 01:20:15,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:20:15,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:20:15,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:20:15,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:20:15,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:20:11" (1/3) ... [2021-11-07 01:20:15,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f415185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:20:15, skipping insertion in model container [2021-11-07 01:20:15,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:12" (2/3) ... [2021-11-07 01:20:15,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f415185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:20:15, skipping insertion in model container [2021-11-07 01:20:15,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:20:15" (3/3) ... [2021-11-07 01:20:15,473 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2021-11-07 01:20:15,479 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:20:15,480 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:20:15,536 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:20:15,541 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 [2021-11-07 01:20:15,541 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:20:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 229 states, 225 states have (on average 1.5244444444444445) internal successors, (343), 228 states have internal predecessors, (343), 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) [2021-11-07 01:20:15,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:20:15,569 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:15,570 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:20:15,571 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:15,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:15,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1680546116, now seen corresponding path program 1 times [2021-11-07 01:20:15,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:15,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578516092] [2021-11-07 01:20:15,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:15,593 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:15,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:15,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:15,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:20:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:20:15,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:20:15,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:20:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:15,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:20:15,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:15,992 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:20:15,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1578516092] [2021-11-07 01:20:15,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1578516092] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:20:15,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:20:15,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:20:15,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042031586] [2021-11-07 01:20:16,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:20:16,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:20:16,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:20:16,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:20:16,024 INFO L87 Difference]: Start difference. First operand has 229 states, 225 states have (on average 1.5244444444444445) internal successors, (343), 228 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:16,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:16,089 INFO L93 Difference]: Finished difference Result 451 states and 678 transitions. [2021-11-07 01:20:16,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:20:16,090 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 01:20:16,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:16,104 INFO L225 Difference]: With dead ends: 451 [2021-11-07 01:20:16,104 INFO L226 Difference]: Without dead ends: 225 [2021-11-07 01:20:16,123 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:20:16,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-11-07 01:20:16,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2021-11-07 01:20:16,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 222 states have (on average 1.490990990990991) internal successors, (331), 224 states have internal predecessors, (331), 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) [2021-11-07 01:20:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 331 transitions. [2021-11-07 01:20:16,178 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 331 transitions. Word has length 18 [2021-11-07 01:20:16,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:16,179 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 331 transitions. [2021-11-07 01:20:16,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:16,179 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 331 transitions. [2021-11-07 01:20:16,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:20:16,181 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:16,181 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:20:16,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:16,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:16,399 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:16,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:16,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1461710147, now seen corresponding path program 1 times [2021-11-07 01:20:16,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:16,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028464959] [2021-11-07 01:20:16,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:16,408 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:16,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:16,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:16,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:20:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:20:16,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:20:16,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:20:16,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:16,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:20:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:16,787 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:20:16,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1028464959] [2021-11-07 01:20:16,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1028464959] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:20:16,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:20:16,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:20:16,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649914886] [2021-11-07 01:20:16,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:20:16,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:20:16,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:20:16,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:20:16,796 INFO L87 Difference]: Start difference. First operand 225 states and 331 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:16,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:16,838 INFO L93 Difference]: Finished difference Result 225 states and 331 transitions. [2021-11-07 01:20:16,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:20:16,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 01:20:16,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:16,849 INFO L225 Difference]: With dead ends: 225 [2021-11-07 01:20:16,850 INFO L226 Difference]: Without dead ends: 85 [2021-11-07 01:20:16,851 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:20:16,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-11-07 01:20:16,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-11-07 01:20:16,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.4761904761904763) internal successors, (124), 84 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:16,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2021-11-07 01:20:16,874 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 19 [2021-11-07 01:20:16,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:16,875 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2021-11-07 01:20:16,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2021-11-07 01:20:16,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:20:16,878 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:16,882 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:20:16,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:17,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:17,104 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:17,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:17,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1946007882, now seen corresponding path program 1 times [2021-11-07 01:20:17,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:17,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893233890] [2021-11-07 01:20:17,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:17,106 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:17,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:17,107 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:17,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:20:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:20:17,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:20:17,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:20:17,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:17,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:20:17,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:17,517 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:20:17,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893233890] [2021-11-07 01:20:17,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893233890] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:20:17,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:20:17,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:20:17,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791062512] [2021-11-07 01:20:17,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:20:17,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:20:17,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:20:17,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:20:17,519 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:17,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:17,531 INFO L93 Difference]: Finished difference Result 163 states and 241 transitions. [2021-11-07 01:20:17,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:20:17,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:20:17,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:17,532 INFO L225 Difference]: With dead ends: 163 [2021-11-07 01:20:17,533 INFO L226 Difference]: Without dead ends: 85 [2021-11-07 01:20:17,533 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:20:17,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-11-07 01:20:17,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-11-07 01:20:17,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.4642857142857142) internal successors, (123), 84 states have internal predecessors, (123), 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) [2021-11-07 01:20:17,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 123 transitions. [2021-11-07 01:20:17,543 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 123 transitions. Word has length 24 [2021-11-07 01:20:17,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:17,543 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 123 transitions. [2021-11-07 01:20:17,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:17,544 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 123 transitions. [2021-11-07 01:20:17,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 01:20:17,545 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:17,545 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] [2021-11-07 01:20:17,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:17,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:17,762 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:17,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:17,765 INFO L85 PathProgramCache]: Analyzing trace with hash -427711681, now seen corresponding path program 1 times [2021-11-07 01:20:17,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:17,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915802547] [2021-11-07 01:20:17,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:17,766 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:17,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:17,768 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:17,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:20:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:20:17,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:20:17,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:20:18,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:18,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:20:18,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:18,150 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:20:18,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915802547] [2021-11-07 01:20:18,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915802547] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:20:18,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:20:18,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:20:18,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048279326] [2021-11-07 01:20:18,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:20:18,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:20:18,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:20:18,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:20:18,154 INFO L87 Difference]: Start difference. First operand 85 states and 123 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:18,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:18,226 INFO L93 Difference]: Finished difference Result 170 states and 249 transitions. [2021-11-07 01:20:18,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:20:18,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-07 01:20:18,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:18,229 INFO L225 Difference]: With dead ends: 170 [2021-11-07 01:20:18,229 INFO L226 Difference]: Without dead ends: 92 [2021-11-07 01:20:18,230 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:20:18,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-07 01:20:18,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2021-11-07 01:20:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 89 states have internal predecessors, (127), 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) [2021-11-07 01:20:18,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 127 transitions. [2021-11-07 01:20:18,248 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 127 transitions. Word has length 27 [2021-11-07 01:20:18,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:18,248 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 127 transitions. [2021-11-07 01:20:18,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:18,249 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 127 transitions. [2021-11-07 01:20:18,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:20:18,255 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:18,255 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:20:18,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:18,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:18,464 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:18,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:18,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1598633195, now seen corresponding path program 1 times [2021-11-07 01:20:18,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:18,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [906768936] [2021-11-07 01:20:18,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:18,465 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:18,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:18,466 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:18,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:20:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:20:18,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:20:18,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:20:18,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:18,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:20:18,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:18,948 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:20:18,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [906768936] [2021-11-07 01:20:18,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [906768936] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:20:18,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:20:18,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:20:18,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828211382] [2021-11-07 01:20:18,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:20:18,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:20:18,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:20:18,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:20:18,950 INFO L87 Difference]: Start difference. First operand 90 states and 127 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:19,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:19,185 INFO L93 Difference]: Finished difference Result 427 states and 615 transitions. [2021-11-07 01:20:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:20:19,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 01:20:19,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:19,189 INFO L225 Difference]: With dead ends: 427 [2021-11-07 01:20:19,190 INFO L226 Difference]: Without dead ends: 344 [2021-11-07 01:20:19,190 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:20:19,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-11-07 01:20:19,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 165. [2021-11-07 01:20:19,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.4146341463414633) internal successors, (232), 164 states have internal predecessors, (232), 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) [2021-11-07 01:20:19,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 232 transitions. [2021-11-07 01:20:19,247 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 232 transitions. Word has length 33 [2021-11-07 01:20:19,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:19,247 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 232 transitions. [2021-11-07 01:20:19,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:19,248 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 232 transitions. [2021-11-07 01:20:19,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:20:19,252 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:19,252 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:20:19,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:19,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:19,465 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:19,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:19,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1593780579, now seen corresponding path program 1 times [2021-11-07 01:20:19,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:19,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514697996] [2021-11-07 01:20:19,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:19,467 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:19,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:19,468 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:19,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:20:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:20:19,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:20:19,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:20:19,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:19,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:20:19,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:19,968 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:20:19,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514697996] [2021-11-07 01:20:19,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514697996] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:20:19,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:20:19,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:20:19,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226338467] [2021-11-07 01:20:19,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:20:19,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:20:19,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:20:19,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:20:19,971 INFO L87 Difference]: Start difference. First operand 165 states and 232 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:20,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:20,184 INFO L93 Difference]: Finished difference Result 628 states and 889 transitions. [2021-11-07 01:20:20,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:20:20,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 01:20:20,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:20,188 INFO L225 Difference]: With dead ends: 628 [2021-11-07 01:20:20,188 INFO L226 Difference]: Without dead ends: 470 [2021-11-07 01:20:20,189 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:20:20,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2021-11-07 01:20:20,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 164. [2021-11-07 01:20:20,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 163 states have (on average 1.4049079754601228) internal successors, (229), 163 states have internal predecessors, (229), 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) [2021-11-07 01:20:20,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 229 transitions. [2021-11-07 01:20:20,211 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 229 transitions. Word has length 34 [2021-11-07 01:20:20,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:20,212 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 229 transitions. [2021-11-07 01:20:20,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:20,212 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2021-11-07 01:20:20,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 01:20:20,213 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:20,213 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:20:20,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:20,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:20,429 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:20,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:20,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1365651329, now seen corresponding path program 1 times [2021-11-07 01:20:20,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:20,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647885574] [2021-11-07 01:20:20,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:20,431 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:20,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:20,432 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:20,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:20:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:20:20,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:20:20,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:20:20,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:20,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:20:20,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:20,908 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:20:20,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647885574] [2021-11-07 01:20:20,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647885574] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:20:20,908 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:20:20,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:20:20,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995939572] [2021-11-07 01:20:20,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:20:20,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:20:20,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:20:20,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:20:20,910 INFO L87 Difference]: Start difference. First operand 164 states and 229 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:21,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:21,014 INFO L93 Difference]: Finished difference Result 417 states and 577 transitions. [2021-11-07 01:20:21,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:20:21,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-07 01:20:21,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:21,017 INFO L225 Difference]: With dead ends: 417 [2021-11-07 01:20:21,017 INFO L226 Difference]: Without dead ends: 260 [2021-11-07 01:20:21,018 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:20:21,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-11-07 01:20:21,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 182. [2021-11-07 01:20:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.3646408839779005) internal successors, (247), 181 states have internal predecessors, (247), 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) [2021-11-07 01:20:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2021-11-07 01:20:21,039 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 37 [2021-11-07 01:20:21,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:21,040 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2021-11-07 01:20:21,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:21,040 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2021-11-07 01:20:21,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 01:20:21,041 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:21,041 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:20:21,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:21,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:21,255 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:21,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:21,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1918198717, now seen corresponding path program 1 times [2021-11-07 01:20:21,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:21,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679970822] [2021-11-07 01:20:21,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:21,256 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:21,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:21,260 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:21,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:20:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:20:21,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:20:21,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:20:21,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:21,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:20:21,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:21,684 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:20:21,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679970822] [2021-11-07 01:20:21,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [679970822] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:20:21,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:20:21,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:20:21,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847701151] [2021-11-07 01:20:21,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:20:21,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:20:21,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:20:21,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:20:21,687 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:21,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:21,793 INFO L93 Difference]: Finished difference Result 467 states and 627 transitions. [2021-11-07 01:20:21,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:20:21,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-07 01:20:21,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:21,797 INFO L225 Difference]: With dead ends: 467 [2021-11-07 01:20:21,797 INFO L226 Difference]: Without dead ends: 292 [2021-11-07 01:20:21,797 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:20:21,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-11-07 01:20:21,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 194. [2021-11-07 01:20:21,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 193 states have (on average 1.3419689119170986) internal successors, (259), 193 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:21,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 259 transitions. [2021-11-07 01:20:21,823 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 259 transitions. Word has length 37 [2021-11-07 01:20:21,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:21,824 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 259 transitions. [2021-11-07 01:20:21,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:21,824 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 259 transitions. [2021-11-07 01:20:21,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 01:20:21,825 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:21,825 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:20:21,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:22,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:22,040 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:22,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:22,040 INFO L85 PathProgramCache]: Analyzing trace with hash 897130363, now seen corresponding path program 1 times [2021-11-07 01:20:22,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:22,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035214432] [2021-11-07 01:20:22,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:22,041 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:22,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:22,041 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:22,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:20:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:20:22,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:20:22,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:20:22,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:22,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:20:22,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:22,610 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:20:22,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035214432] [2021-11-07 01:20:22,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035214432] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:20:22,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:20:22,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:20:22,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088738702] [2021-11-07 01:20:22,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:20:22,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:20:22,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:20:22,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:20:22,612 INFO L87 Difference]: Start difference. First operand 194 states and 259 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:22,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:22,710 INFO L93 Difference]: Finished difference Result 560 states and 751 transitions. [2021-11-07 01:20:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:20:22,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-07 01:20:22,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:22,714 INFO L225 Difference]: With dead ends: 560 [2021-11-07 01:20:22,714 INFO L226 Difference]: Without dead ends: 373 [2021-11-07 01:20:22,715 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:20:22,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-11-07 01:20:22,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 319. [2021-11-07 01:20:22,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 318 states have (on average 1.3270440251572326) internal successors, (422), 318 states have internal predecessors, (422), 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) [2021-11-07 01:20:22,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 422 transitions. [2021-11-07 01:20:22,749 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 422 transitions. Word has length 37 [2021-11-07 01:20:22,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:22,749 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 422 transitions. [2021-11-07 01:20:22,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:22,750 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 422 transitions. [2021-11-07 01:20:22,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-07 01:20:22,751 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:22,751 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:20:22,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:22,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:22,963 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:22,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:22,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1862038981, now seen corresponding path program 1 times [2021-11-07 01:20:22,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:22,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1013879716] [2021-11-07 01:20:22,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:22,964 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:22,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:22,965 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:22,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:20:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:20:23,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:20:23,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:20:23,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:23,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:20:23,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:23,588 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:20:23,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1013879716] [2021-11-07 01:20:23,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1013879716] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:20:23,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:20:23,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:20:23,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853868475] [2021-11-07 01:20:23,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:20:23,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:20:23,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:20:23,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:20:23,590 INFO L87 Difference]: Start difference. First operand 319 states and 422 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 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) [2021-11-07 01:20:25,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:25,512 INFO L93 Difference]: Finished difference Result 1253 states and 1619 transitions. [2021-11-07 01:20:25,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 01:20:25,512 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-07 01:20:25,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:25,518 INFO L225 Difference]: With dead ends: 1253 [2021-11-07 01:20:25,518 INFO L226 Difference]: Without dead ends: 941 [2021-11-07 01:20:25,519 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:20:25,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2021-11-07 01:20:25,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 319. [2021-11-07 01:20:25,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 318 states have (on average 1.3050314465408805) internal successors, (415), 318 states have internal predecessors, (415), 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) [2021-11-07 01:20:25,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 415 transitions. [2021-11-07 01:20:25,569 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 415 transitions. Word has length 38 [2021-11-07 01:20:25,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:25,570 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 415 transitions. [2021-11-07 01:20:25,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 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) [2021-11-07 01:20:25,570 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 415 transitions. [2021-11-07 01:20:25,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-07 01:20:25,572 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:25,573 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:20:25,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:25,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:25,786 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:25,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:25,786 INFO L85 PathProgramCache]: Analyzing trace with hash -2006064489, now seen corresponding path program 1 times [2021-11-07 01:20:25,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:25,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30529309] [2021-11-07 01:20:25,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:25,787 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:25,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:25,788 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:25,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:20:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:20:26,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:20:26,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:20:26,351 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:20:26,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:20:26,544 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:20:26,545 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:20:26,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30529309] [2021-11-07 01:20:26,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30529309] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:20:26,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:20:26,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:20:26,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079874027] [2021-11-07 01:20:26,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:20:26,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:20:26,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:20:26,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:20:26,547 INFO L87 Difference]: Start difference. First operand 319 states and 415 transitions. Second operand has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 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) [2021-11-07 01:20:28,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:28,438 INFO L93 Difference]: Finished difference Result 879 states and 1129 transitions. [2021-11-07 01:20:28,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:20:28,439 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-11-07 01:20:28,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:28,441 INFO L225 Difference]: With dead ends: 879 [2021-11-07 01:20:28,441 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:20:28,443 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:20:28,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:20:28,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:20:28,443 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) [2021-11-07 01:20:28,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:20:28,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-11-07 01:20:28,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:28,444 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:20:28,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 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) [2021-11-07 01:20:28,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:20:28,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:20:28,451 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:20:28,452 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:20:28,452 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:20:28,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:28,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:28,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:20:28,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:28,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:28,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:28,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:28,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:29,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:30,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:20:35,737 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 567) no Hoare annotation was computed. [2021-11-07 01:20:35,737 INFO L853 garLoopResultBuilder]: At program point L104-2(lines 104 118) the Hoare annotation is: false [2021-11-07 01:20:35,738 INFO L853 garLoopResultBuilder]: At program point L765(lines 756 769) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:20:35,738 INFO L853 garLoopResultBuilder]: At program point L765-1(lines 756 769) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:20:35,738 INFO L853 garLoopResultBuilder]: At program point L765-2(lines 756 769) the Hoare annotation is: false [2021-11-07 01:20:35,738 INFO L853 garLoopResultBuilder]: At program point L765-3(lines 756 769) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2))) [2021-11-07 01:20:35,738 INFO L853 garLoopResultBuilder]: At program point L765-4(lines 756 769) the Hoare annotation is: false [2021-11-07 01:20:35,738 INFO L853 garLoopResultBuilder]: At program point L765-5(lines 756 769) the Hoare annotation is: false [2021-11-07 01:20:35,738 INFO L857 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2021-11-07 01:20:35,739 INFO L853 garLoopResultBuilder]: At program point L765-6(lines 756 769) the Hoare annotation is: false [2021-11-07 01:20:35,739 INFO L853 garLoopResultBuilder]: At program point L765-7(lines 756 769) the Hoare annotation is: false [2021-11-07 01:20:35,739 INFO L857 garLoopResultBuilder]: For program point L567-1(line 567) no Hoare annotation was computed. [2021-11-07 01:20:35,739 INFO L853 garLoopResultBuilder]: At program point L765-8(lines 756 769) the Hoare annotation is: false [2021-11-07 01:20:35,739 INFO L857 garLoopResultBuilder]: For program point L567-2(line 567) no Hoare annotation was computed. [2021-11-07 01:20:35,739 INFO L853 garLoopResultBuilder]: At program point L765-9(lines 756 769) the Hoare annotation is: false [2021-11-07 01:20:35,739 INFO L853 garLoopResultBuilder]: At program point L765-10(lines 756 769) the Hoare annotation is: false [2021-11-07 01:20:35,740 INFO L853 garLoopResultBuilder]: At program point L765-11(lines 756 769) the Hoare annotation is: false [2021-11-07 01:20:35,740 INFO L857 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2021-11-07 01:20:35,740 INFO L857 garLoopResultBuilder]: For program point L108(lines 108 112) no Hoare annotation was computed. [2021-11-07 01:20:35,740 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 789 795) no Hoare annotation was computed. [2021-11-07 01:20:35,740 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 643) no Hoare annotation was computed. [2021-11-07 01:20:35,740 INFO L853 garLoopResultBuilder]: At program point L637-1(lines 637 643) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-11-07 01:20:35,741 INFO L857 garLoopResultBuilder]: For program point L707(lines 707 711) no Hoare annotation was computed. [2021-11-07 01:20:35,741 INFO L853 garLoopResultBuilder]: At program point L775(lines 770 778) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32))) [2021-11-07 01:20:35,741 INFO L853 garLoopResultBuilder]: At program point L775-1(lines 770 778) the Hoare annotation is: false [2021-11-07 01:20:35,741 INFO L853 garLoopResultBuilder]: At program point L775-2(lines 770 778) the Hoare annotation is: false [2021-11-07 01:20:35,741 INFO L853 garLoopResultBuilder]: At program point L775-3(lines 770 778) the Hoare annotation is: false [2021-11-07 01:20:35,741 INFO L853 garLoopResultBuilder]: At program point L775-4(lines 770 778) the Hoare annotation is: false [2021-11-07 01:20:35,742 INFO L853 garLoopResultBuilder]: At program point L775-5(lines 770 778) the Hoare annotation is: false [2021-11-07 01:20:35,742 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 915) no Hoare annotation was computed. [2021-11-07 01:20:35,742 INFO L857 garLoopResultBuilder]: For program point L909-2(lines 909 915) no Hoare annotation was computed. [2021-11-07 01:20:35,742 INFO L857 garLoopResultBuilder]: For program point L909-4(lines 909 915) no Hoare annotation was computed. [2021-11-07 01:20:35,742 INFO L857 garLoopResultBuilder]: For program point L909-6(lines 909 915) no Hoare annotation was computed. [2021-11-07 01:20:35,742 INFO L857 garLoopResultBuilder]: For program point L909-8(lines 909 915) no Hoare annotation was computed. [2021-11-07 01:20:35,742 INFO L857 garLoopResultBuilder]: For program point L909-10(lines 909 915) no Hoare annotation was computed. [2021-11-07 01:20:35,743 INFO L857 garLoopResultBuilder]: For program point L909-12(lines 909 915) no Hoare annotation was computed. [2021-11-07 01:20:35,743 INFO L857 garLoopResultBuilder]: For program point L909-14(lines 909 915) no Hoare annotation was computed. [2021-11-07 01:20:35,743 INFO L857 garLoopResultBuilder]: For program point L909-16(lines 909 915) no Hoare annotation was computed. [2021-11-07 01:20:35,743 INFO L857 garLoopResultBuilder]: For program point L909-18(lines 909 915) no Hoare annotation was computed. [2021-11-07 01:20:35,743 INFO L857 garLoopResultBuilder]: For program point L909-20(lines 909 915) no Hoare annotation was computed. [2021-11-07 01:20:35,743 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 190) no Hoare annotation was computed. [2021-11-07 01:20:35,743 INFO L857 garLoopResultBuilder]: For program point L909-22(lines 909 915) no Hoare annotation was computed. [2021-11-07 01:20:35,744 INFO L860 garLoopResultBuilder]: At program point L183-1(lines 183 190) the Hoare annotation is: true [2021-11-07 01:20:35,744 INFO L857 garLoopResultBuilder]: For program point L647(lines 647 658) no Hoare annotation was computed. [2021-11-07 01:20:35,744 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 864) no Hoare annotation was computed. [2021-11-07 01:20:35,744 INFO L857 garLoopResultBuilder]: For program point L847-1(lines 847 864) no Hoare annotation was computed. [2021-11-07 01:20:35,744 INFO L857 garLoopResultBuilder]: For program point L847-2(lines 847 864) no Hoare annotation was computed. [2021-11-07 01:20:35,744 INFO L857 garLoopResultBuilder]: For program point L847-3(lines 847 864) no Hoare annotation was computed. [2021-11-07 01:20:35,744 INFO L857 garLoopResultBuilder]: For program point L847-4(lines 847 864) no Hoare annotation was computed. [2021-11-07 01:20:35,744 INFO L857 garLoopResultBuilder]: For program point L847-5(lines 847 864) no Hoare annotation was computed. [2021-11-07 01:20:35,744 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:20:35,744 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 859) no Hoare annotation was computed. [2021-11-07 01:20:35,744 INFO L857 garLoopResultBuilder]: For program point L851-1(lines 851 859) no Hoare annotation was computed. [2021-11-07 01:20:35,744 INFO L857 garLoopResultBuilder]: For program point L851-2(lines 851 859) no Hoare annotation was computed. [2021-11-07 01:20:35,744 INFO L857 garLoopResultBuilder]: For program point L851-3(lines 851 859) no Hoare annotation was computed. [2021-11-07 01:20:35,744 INFO L857 garLoopResultBuilder]: For program point L851-4(lines 851 859) no Hoare annotation was computed. [2021-11-07 01:20:35,745 INFO L857 garLoopResultBuilder]: For program point L851-5(lines 851 859) no Hoare annotation was computed. [2021-11-07 01:20:35,745 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 657) no Hoare annotation was computed. [2021-11-07 01:20:35,745 INFO L857 garLoopResultBuilder]: For program point L653-2(lines 789 795) no Hoare annotation was computed. [2021-11-07 01:20:35,745 INFO L853 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:20:35,745 INFO L853 garLoopResultBuilder]: At program point L720(lines 715 723) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-11-07 01:20:35,745 INFO L853 garLoopResultBuilder]: At program point L720-1(lines 715 723) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:20:35,745 INFO L853 garLoopResultBuilder]: At program point L720-2(lines 715 723) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:20:35,745 INFO L853 garLoopResultBuilder]: At program point L720-3(lines 715 723) the Hoare annotation is: false [2021-11-07 01:20:35,746 INFO L853 garLoopResultBuilder]: At program point L720-4(lines 715 723) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-11-07 01:20:35,746 INFO L853 garLoopResultBuilder]: At program point L720-5(lines 715 723) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)))) [2021-11-07 01:20:35,746 INFO L853 garLoopResultBuilder]: At program point L720-6(lines 715 723) the Hoare annotation is: false [2021-11-07 01:20:35,746 INFO L853 garLoopResultBuilder]: At program point L720-7(lines 715 723) the Hoare annotation is: false [2021-11-07 01:20:35,746 INFO L853 garLoopResultBuilder]: At program point L720-8(lines 715 723) the Hoare annotation is: false [2021-11-07 01:20:35,746 INFO L853 garLoopResultBuilder]: At program point L720-9(lines 715 723) the Hoare annotation is: false [2021-11-07 01:20:35,747 INFO L853 garLoopResultBuilder]: At program point L720-10(lines 715 723) the Hoare annotation is: false [2021-11-07 01:20:35,747 INFO L853 garLoopResultBuilder]: At program point L720-11(lines 715 723) the Hoare annotation is: false [2021-11-07 01:20:35,747 INFO L853 garLoopResultBuilder]: At program point L720-12(lines 715 723) the Hoare annotation is: false [2021-11-07 01:20:35,747 INFO L853 garLoopResultBuilder]: At program point L720-13(lines 715 723) the Hoare annotation is: false [2021-11-07 01:20:35,747 INFO L853 garLoopResultBuilder]: At program point L720-14(lines 715 723) the Hoare annotation is: false [2021-11-07 01:20:35,747 INFO L853 garLoopResultBuilder]: At program point L720-15(lines 715 723) the Hoare annotation is: false [2021-11-07 01:20:35,748 INFO L853 garLoopResultBuilder]: At program point L720-16(lines 715 723) the Hoare annotation is: false [2021-11-07 01:20:35,748 INFO L860 garLoopResultBuilder]: At program point L192(lines 173 195) the Hoare annotation is: true [2021-11-07 01:20:35,748 INFO L853 garLoopResultBuilder]: At program point L720-17(lines 715 723) the Hoare annotation is: false [2021-11-07 01:20:35,748 INFO L853 garLoopResultBuilder]: At program point L789(lines 788 807) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-11-07 01:20:35,748 INFO L857 garLoopResultBuilder]: For program point L789-1(lines 789 795) no Hoare annotation was computed. [2021-11-07 01:20:35,748 INFO L853 garLoopResultBuilder]: At program point L789-2(lines 788 807) the Hoare annotation is: false [2021-11-07 01:20:35,748 INFO L853 garLoopResultBuilder]: At program point L789-3(lines 788 807) the Hoare annotation is: false [2021-11-07 01:20:35,749 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:20:35,749 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 567) no Hoare annotation was computed. [2021-11-07 01:20:35,749 INFO L853 garLoopResultBuilder]: At program point L594(lines 1 1020) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:20:35,749 INFO L857 garLoopResultBuilder]: For program point L992(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,749 INFO L857 garLoopResultBuilder]: For program point L992-2(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,749 INFO L857 garLoopResultBuilder]: For program point L992-3(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,750 INFO L857 garLoopResultBuilder]: For program point L992-5(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,750 INFO L857 garLoopResultBuilder]: For program point L992-6(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,750 INFO L857 garLoopResultBuilder]: For program point L992-8(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,750 INFO L857 garLoopResultBuilder]: For program point L992-9(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,750 INFO L857 garLoopResultBuilder]: For program point L992-11(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,750 INFO L857 garLoopResultBuilder]: For program point L992-12(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,750 INFO L857 garLoopResultBuilder]: For program point L992-14(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,751 INFO L857 garLoopResultBuilder]: For program point L992-15(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,751 INFO L857 garLoopResultBuilder]: For program point L992-17(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,751 INFO L857 garLoopResultBuilder]: For program point L992-18(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,751 INFO L857 garLoopResultBuilder]: For program point L992-20(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,751 INFO L857 garLoopResultBuilder]: For program point L992-21(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,751 INFO L857 garLoopResultBuilder]: For program point L992-23(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,751 INFO L857 garLoopResultBuilder]: For program point L992-24(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,752 INFO L857 garLoopResultBuilder]: For program point L992-26(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,752 INFO L857 garLoopResultBuilder]: For program point L992-27(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,752 INFO L857 garLoopResultBuilder]: For program point L992-29(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,752 INFO L857 garLoopResultBuilder]: For program point L992-30(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,752 INFO L857 garLoopResultBuilder]: For program point L992-32(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,752 INFO L857 garLoopResultBuilder]: For program point L992-33(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,752 INFO L857 garLoopResultBuilder]: For program point L992-35(lines 992 996) no Hoare annotation was computed. [2021-11-07 01:20:35,753 INFO L853 garLoopResultBuilder]: At program point L663(lines 616 664) the Hoare annotation is: false [2021-11-07 01:20:35,753 INFO L853 garLoopResultBuilder]: At program point L796(lines 796 802) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-11-07 01:20:35,753 INFO L853 garLoopResultBuilder]: At program point L796-1(lines 796 802) the Hoare annotation is: false [2021-11-07 01:20:35,753 INFO L853 garLoopResultBuilder]: At program point L796-2(lines 796 802) the Hoare annotation is: false [2021-11-07 01:20:35,753 INFO L857 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2021-11-07 01:20:35,753 INFO L853 garLoopResultBuilder]: At program point L70-1(lines 1 1020) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0)))) [2021-11-07 01:20:35,754 INFO L857 garLoopResultBuilder]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2021-11-07 01:20:35,754 INFO L853 garLoopResultBuilder]: At program point L70-3(lines 1 1020) the Hoare annotation is: false [2021-11-07 01:20:35,754 INFO L857 garLoopResultBuilder]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2021-11-07 01:20:35,754 INFO L853 garLoopResultBuilder]: At program point L70-5(lines 1 1020) the Hoare annotation is: false [2021-11-07 01:20:35,754 INFO L853 garLoopResultBuilder]: At program point L998(lines 983 1001) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:20:35,754 INFO L853 garLoopResultBuilder]: At program point L998-1(lines 983 1001) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:20:35,754 INFO L853 garLoopResultBuilder]: At program point L998-2(lines 983 1001) the Hoare annotation is: false [2021-11-07 01:20:35,755 INFO L853 garLoopResultBuilder]: At program point L998-3(lines 983 1001) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2))) [2021-11-07 01:20:35,755 INFO L853 garLoopResultBuilder]: At program point L998-4(lines 983 1001) the Hoare annotation is: false [2021-11-07 01:20:35,755 INFO L853 garLoopResultBuilder]: At program point L998-5(lines 983 1001) the Hoare annotation is: false [2021-11-07 01:20:35,755 INFO L853 garLoopResultBuilder]: At program point L998-6(lines 983 1001) the Hoare annotation is: false [2021-11-07 01:20:35,755 INFO L853 garLoopResultBuilder]: At program point L998-7(lines 983 1001) the Hoare annotation is: false [2021-11-07 01:20:35,755 INFO L853 garLoopResultBuilder]: At program point L998-8(lines 983 1001) the Hoare annotation is: false [2021-11-07 01:20:35,756 INFO L853 garLoopResultBuilder]: At program point L998-9(lines 983 1001) the Hoare annotation is: false [2021-11-07 01:20:35,756 INFO L853 garLoopResultBuilder]: At program point L998-10(lines 983 1001) the Hoare annotation is: false [2021-11-07 01:20:35,756 INFO L853 garLoopResultBuilder]: At program point L998-11(lines 983 1001) the Hoare annotation is: false [2021-11-07 01:20:35,756 INFO L853 garLoopResultBuilder]: At program point L602(lines 597 605) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:20:35,756 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2021-11-07 01:20:35,756 INFO L857 garLoopResultBuilder]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2021-11-07 01:20:35,756 INFO L857 garLoopResultBuilder]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2021-11-07 01:20:35,757 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-11-07 01:20:35,757 INFO L857 garLoopResultBuilder]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2021-11-07 01:20:35,757 INFO L857 garLoopResultBuilder]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2021-11-07 01:20:35,757 INFO L853 garLoopResultBuilder]: At program point L934(lines 927 937) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-11-07 01:20:35,757 INFO L853 garLoopResultBuilder]: At program point L934-1(lines 927 937) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:20:35,757 INFO L853 garLoopResultBuilder]: At program point L934-2(lines 927 937) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:20:35,758 INFO L853 garLoopResultBuilder]: At program point L934-3(lines 927 937) the Hoare annotation is: false [2021-11-07 01:20:35,758 INFO L853 garLoopResultBuilder]: At program point L934-4(lines 927 937) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-11-07 01:20:35,758 INFO L853 garLoopResultBuilder]: At program point L934-5(lines 927 937) the Hoare annotation is: false [2021-11-07 01:20:35,758 INFO L853 garLoopResultBuilder]: At program point L934-6(lines 927 937) the Hoare annotation is: false [2021-11-07 01:20:35,758 INFO L853 garLoopResultBuilder]: At program point L934-7(lines 927 937) the Hoare annotation is: false [2021-11-07 01:20:35,758 INFO L853 garLoopResultBuilder]: At program point L934-8(lines 927 937) the Hoare annotation is: false [2021-11-07 01:20:35,758 INFO L853 garLoopResultBuilder]: At program point L934-9(lines 927 937) the Hoare annotation is: false [2021-11-07 01:20:35,759 INFO L853 garLoopResultBuilder]: At program point L934-10(lines 927 937) the Hoare annotation is: false [2021-11-07 01:20:35,759 INFO L853 garLoopResultBuilder]: At program point L934-11(lines 927 937) the Hoare annotation is: false [2021-11-07 01:20:35,759 INFO L853 garLoopResultBuilder]: At program point L934-12(lines 927 937) the Hoare annotation is: false [2021-11-07 01:20:35,759 INFO L853 garLoopResultBuilder]: At program point L934-13(lines 927 937) the Hoare annotation is: false [2021-11-07 01:20:35,759 INFO L853 garLoopResultBuilder]: At program point L934-14(lines 927 937) the Hoare annotation is: false [2021-11-07 01:20:35,759 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 567) no Hoare annotation was computed. [2021-11-07 01:20:35,760 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 890) no Hoare annotation was computed. [2021-11-07 01:20:35,760 INFO L857 garLoopResultBuilder]: For program point L873-1(lines 873 890) no Hoare annotation was computed. [2021-11-07 01:20:35,760 INFO L857 garLoopResultBuilder]: For program point L873-2(lines 873 890) no Hoare annotation was computed. [2021-11-07 01:20:35,760 INFO L853 garLoopResultBuilder]: At program point L943(lines 938 946) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:20:35,760 INFO L853 garLoopResultBuilder]: At program point L943-1(lines 938 946) the Hoare annotation is: false [2021-11-07 01:20:35,760 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 885) no Hoare annotation was computed. [2021-11-07 01:20:35,760 INFO L853 garLoopResultBuilder]: At program point L943-2(lines 938 946) the Hoare annotation is: false [2021-11-07 01:20:35,761 INFO L857 garLoopResultBuilder]: For program point L877-1(lines 877 885) no Hoare annotation was computed. [2021-11-07 01:20:35,761 INFO L857 garLoopResultBuilder]: For program point L877-2(lines 877 885) no Hoare annotation was computed. [2021-11-07 01:20:35,761 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:20:35,761 INFO L857 garLoopResultBuilder]: For program point L1011(lines 1011 1015) no Hoare annotation was computed. [2021-11-07 01:20:35,761 INFO L857 garLoopResultBuilder]: For program point L1011-2(lines 1011 1015) no Hoare annotation was computed. [2021-11-07 01:20:35,761 INFO L857 garLoopResultBuilder]: For program point L1011-3(lines 1011 1015) no Hoare annotation was computed. [2021-11-07 01:20:35,761 INFO L857 garLoopResultBuilder]: For program point L1011-5(lines 1011 1015) no Hoare annotation was computed. [2021-11-07 01:20:35,762 INFO L857 garLoopResultBuilder]: For program point L1011-6(lines 1011 1015) no Hoare annotation was computed. [2021-11-07 01:20:35,762 INFO L857 garLoopResultBuilder]: For program point L1011-8(lines 1011 1015) no Hoare annotation was computed. [2021-11-07 01:20:35,762 INFO L857 garLoopResultBuilder]: For program point L1011-9(lines 1011 1015) no Hoare annotation was computed. [2021-11-07 01:20:35,762 INFO L857 garLoopResultBuilder]: For program point L1011-11(lines 1011 1015) no Hoare annotation was computed. [2021-11-07 01:20:35,762 INFO L857 garLoopResultBuilder]: For program point L1011-12(lines 1011 1015) no Hoare annotation was computed. [2021-11-07 01:20:35,762 INFO L857 garLoopResultBuilder]: For program point L1011-14(lines 1011 1015) no Hoare annotation was computed. [2021-11-07 01:20:35,762 INFO L857 garLoopResultBuilder]: For program point L1011-15(lines 1011 1015) no Hoare annotation was computed. [2021-11-07 01:20:35,763 INFO L857 garLoopResultBuilder]: For program point L1011-17(lines 1011 1015) no Hoare annotation was computed. [2021-11-07 01:20:35,763 INFO L857 garLoopResultBuilder]: For program point L683(lines 683 687) no Hoare annotation was computed. [2021-11-07 01:20:35,763 INFO L857 garLoopResultBuilder]: For program point L683-3(lines 683 687) no Hoare annotation was computed. [2021-11-07 01:20:35,763 INFO L857 garLoopResultBuilder]: For program point L683-6(lines 683 687) no Hoare annotation was computed. [2021-11-07 01:20:35,763 INFO L853 garLoopResultBuilder]: At program point L155(lines 151 157) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:20:35,763 INFO L857 garLoopResultBuilder]: For program point L618(lines 617 662) no Hoare annotation was computed. [2021-11-07 01:20:35,763 INFO L857 garLoopResultBuilder]: For program point L619(lines 619 623) no Hoare annotation was computed. [2021-11-07 01:20:35,764 INFO L853 garLoopResultBuilder]: At program point L1017(lines 1002 1020) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32))) [2021-11-07 01:20:35,764 INFO L853 garLoopResultBuilder]: At program point L1017-1(lines 1002 1020) the Hoare annotation is: false [2021-11-07 01:20:35,764 INFO L853 garLoopResultBuilder]: At program point L1017-2(lines 1002 1020) the Hoare annotation is: false [2021-11-07 01:20:35,764 INFO L853 garLoopResultBuilder]: At program point L1017-3(lines 1002 1020) the Hoare annotation is: false [2021-11-07 01:20:35,764 INFO L853 garLoopResultBuilder]: At program point L1017-4(lines 1002 1020) the Hoare annotation is: false [2021-11-07 01:20:35,764 INFO L853 garLoopResultBuilder]: At program point L1017-5(lines 1002 1020) the Hoare annotation is: false [2021-11-07 01:20:35,765 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:20:35,765 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 838) no Hoare annotation was computed. [2021-11-07 01:20:35,765 INFO L857 garLoopResultBuilder]: For program point L821-1(lines 821 838) no Hoare annotation was computed. [2021-11-07 01:20:35,765 INFO L857 garLoopResultBuilder]: For program point L821-2(lines 821 838) no Hoare annotation was computed. [2021-11-07 01:20:35,765 INFO L857 garLoopResultBuilder]: For program point L821-3(lines 821 838) no Hoare annotation was computed. [2021-11-07 01:20:35,765 INFO L857 garLoopResultBuilder]: For program point L821-4(lines 821 838) no Hoare annotation was computed. [2021-11-07 01:20:35,765 INFO L857 garLoopResultBuilder]: For program point L821-5(lines 821 838) no Hoare annotation was computed. [2021-11-07 01:20:35,766 INFO L857 garLoopResultBuilder]: For program point L821-6(lines 821 838) no Hoare annotation was computed. [2021-11-07 01:20:35,766 INFO L857 garLoopResultBuilder]: For program point L821-7(lines 821 838) no Hoare annotation was computed. [2021-11-07 01:20:35,766 INFO L857 garLoopResultBuilder]: For program point L821-8(lines 821 838) no Hoare annotation was computed. [2021-11-07 01:20:35,766 INFO L857 garLoopResultBuilder]: For program point L821-9(lines 821 838) no Hoare annotation was computed. [2021-11-07 01:20:35,766 INFO L857 garLoopResultBuilder]: For program point L821-10(lines 821 838) no Hoare annotation was computed. [2021-11-07 01:20:35,766 INFO L857 garLoopResultBuilder]: For program point L821-11(lines 821 838) no Hoare annotation was computed. [2021-11-07 01:20:35,766 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 833) no Hoare annotation was computed. [2021-11-07 01:20:35,766 INFO L857 garLoopResultBuilder]: For program point L825-1(lines 825 833) no Hoare annotation was computed. [2021-11-07 01:20:35,767 INFO L857 garLoopResultBuilder]: For program point L825-2(lines 825 833) no Hoare annotation was computed. [2021-11-07 01:20:35,767 INFO L857 garLoopResultBuilder]: For program point L825-3(lines 825 833) no Hoare annotation was computed. [2021-11-07 01:20:35,767 INFO L857 garLoopResultBuilder]: For program point L825-4(lines 825 833) no Hoare annotation was computed. [2021-11-07 01:20:35,767 INFO L857 garLoopResultBuilder]: For program point L825-5(lines 825 833) no Hoare annotation was computed. [2021-11-07 01:20:35,767 INFO L857 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2021-11-07 01:20:35,767 INFO L857 garLoopResultBuilder]: For program point L825-6(lines 825 833) no Hoare annotation was computed. [2021-11-07 01:20:35,767 INFO L853 garLoopResultBuilder]: At program point L627-1(lines 627 633) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0)))) [2021-11-07 01:20:35,768 INFO L857 garLoopResultBuilder]: For program point L825-7(lines 825 833) no Hoare annotation was computed. [2021-11-07 01:20:35,768 INFO L857 garLoopResultBuilder]: For program point L825-8(lines 825 833) no Hoare annotation was computed. [2021-11-07 01:20:35,768 INFO L857 garLoopResultBuilder]: For program point L825-9(lines 825 833) no Hoare annotation was computed. [2021-11-07 01:20:35,768 INFO L857 garLoopResultBuilder]: For program point L825-10(lines 825 833) no Hoare annotation was computed. [2021-11-07 01:20:35,768 INFO L857 garLoopResultBuilder]: For program point L825-11(lines 825 833) no Hoare annotation was computed. [2021-11-07 01:20:35,768 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 766) no Hoare annotation was computed. [2021-11-07 01:20:35,768 INFO L857 garLoopResultBuilder]: For program point L760-1(lines 760 766) no Hoare annotation was computed. [2021-11-07 01:20:35,769 INFO L857 garLoopResultBuilder]: For program point L760-2(lines 760 766) no Hoare annotation was computed. [2021-11-07 01:20:35,769 INFO L857 garLoopResultBuilder]: For program point L760-3(lines 760 766) no Hoare annotation was computed. [2021-11-07 01:20:35,769 INFO L857 garLoopResultBuilder]: For program point L760-4(lines 760 766) no Hoare annotation was computed. [2021-11-07 01:20:35,769 INFO L857 garLoopResultBuilder]: For program point L760-5(lines 760 766) no Hoare annotation was computed. [2021-11-07 01:20:35,769 INFO L857 garLoopResultBuilder]: For program point L760-6(lines 760 766) no Hoare annotation was computed. [2021-11-07 01:20:35,769 INFO L857 garLoopResultBuilder]: For program point L760-7(lines 760 766) no Hoare annotation was computed. [2021-11-07 01:20:35,769 INFO L857 garLoopResultBuilder]: For program point L760-8(lines 760 766) no Hoare annotation was computed. [2021-11-07 01:20:35,770 INFO L857 garLoopResultBuilder]: For program point L760-9(lines 760 766) no Hoare annotation was computed. [2021-11-07 01:20:35,770 INFO L857 garLoopResultBuilder]: For program point L760-10(lines 760 766) no Hoare annotation was computed. [2021-11-07 01:20:35,770 INFO L857 garLoopResultBuilder]: For program point L760-11(lines 760 766) no Hoare annotation was computed. [2021-11-07 01:20:35,770 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 699) no Hoare annotation was computed. [2021-11-07 01:20:35,773 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:20:35,775 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:20:35,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:20:35 BoogieIcfgContainer [2021-11-07 01:20:35,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:20:35,810 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:20:35,810 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:20:35,810 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:20:35,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:20:15" (3/4) ... [2021-11-07 01:20:35,814 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:20:35,845 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:20:35,848 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:20:35,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:20:35,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:20:35,854 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:20:35,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:20:35,859 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:20:35,887 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) [2021-11-07 01:20:35,887 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) [2021-11-07 01:20:35,888 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-11-07 01:20:35,890 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:20:35,890 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-11-07 01:20:35,891 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-11-07 01:20:35,892 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:20:35,895 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 [2021-11-07 01:20:35,896 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:20:35,897 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 [2021-11-07 01:20:35,898 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:20:35,898 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:20:35,899 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:20:35,901 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:20:35,901 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:20:35,902 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:20:35,902 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:20:35,904 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:20:35,904 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:20:35,997 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:20:35,997 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:20:35,999 INFO L168 Benchmark]: Toolchain (without parser) took 24390.32 ms. Allocated memory was 60.8 MB in the beginning and 148.9 MB in the end (delta: 88.1 MB). Free memory was 37.3 MB in the beginning and 116.1 MB in the end (delta: -78.8 MB). Peak memory consumption was 87.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:35,999 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 60.8 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:20:35,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.63 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 37.1 MB in the beginning and 60.4 MB in the end (delta: -23.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:36,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.92 ms. Allocated memory is still 79.7 MB. Free memory was 60.4 MB in the beginning and 54.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:36,000 INFO L168 Benchmark]: Boogie Preprocessor took 78.85 ms. Allocated memory is still 79.7 MB. Free memory was 54.8 MB in the beginning and 50.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:36,001 INFO L168 Benchmark]: RCFGBuilder took 2945.48 ms. Allocated memory is still 79.7 MB. Free memory was 50.9 MB in the beginning and 56.5 MB in the end (delta: -5.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:36,001 INFO L168 Benchmark]: TraceAbstraction took 20343.67 ms. Allocated memory was 79.7 MB in the beginning and 148.9 MB in the end (delta: 69.2 MB). Free memory was 56.0 MB in the beginning and 54.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 88.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:36,001 INFO L168 Benchmark]: Witness Printer took 187.61 ms. Allocated memory is still 148.9 MB. Free memory was 54.4 MB in the beginning and 116.1 MB in the end (delta: -61.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:36,004 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 60.8 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 711.63 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 37.1 MB in the beginning and 60.4 MB in the end (delta: -23.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.92 ms. Allocated memory is still 79.7 MB. Free memory was 60.4 MB in the beginning and 54.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.85 ms. Allocated memory is still 79.7 MB. Free memory was 54.8 MB in the beginning and 50.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2945.48 ms. Allocated memory is still 79.7 MB. Free memory was 50.9 MB in the beginning and 56.5 MB in the end (delta: -5.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20343.67 ms. Allocated memory was 79.7 MB in the beginning and 148.9 MB in the end (delta: 69.2 MB). Free memory was 56.0 MB in the beginning and 54.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 88.7 MB. Max. memory is 16.1 GB. * Witness Printer took 187.61 ms. Allocated memory is still 148.9 MB. Free memory was 54.4 MB in the beginning and 116.1 MB in the end (delta: -61.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 567]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 567]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 567]: 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, 229 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 20.2s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1810 SDtfs, 2791 SDslu, 3663 SDs, 0 SdLazy, 517 SolverSat, 123 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 759 GetRequests, 694 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=319occurred in iteration=9, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 1339 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 91 LocationsWithAnnotation, 91 PreInvPairs, 289 NumberOfFragments, 673 HoareAnnotationTreeSize, 91 FomulaSimplifications, 1694465 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 91 FomulaSimplificationsInter, 110562 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 367 NumberOfCodeBlocks, 367 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 712 ConstructedInterpolants, 0 QuantifiedInterpolants, 1203 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2358 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:20:36,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d65603d2-c51b-427f-8a23-6ded42d0b667/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE