./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.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_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/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_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/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_5b1117d8-7275-4df5-a91b-92d85406603d/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 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:39:05,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:39:05,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:39:05,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:39:05,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:39:05,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:39:05,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:39:05,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:39:05,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:39:05,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:39:05,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:39:05,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:39:05,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:39:05,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:39:05,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:39:05,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:39:05,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:39:05,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:39:05,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:39:05,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:39:05,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:39:05,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:39:05,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:39:05,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:39:05,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:39:05,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:39:05,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:39:05,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:39:05,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:39:05,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:39:05,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:39:05,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:39:05,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:39:05,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:39:05,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:39:05,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:39:05,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:39:05,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:39:05,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:39:05,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:39:05,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:39:05,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:39:05,933 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:39:05,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:39:05,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:39:05,935 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:39:05,935 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:39:05,935 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:39:05,935 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:39:05,935 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:39:05,936 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:39:05,936 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:39:05,936 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:39:05,936 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:39:05,937 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:39:05,937 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:39:05,937 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:39:05,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:39:05,938 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:39:05,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:39:05,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:39:05,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:39:05,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:39:05,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:39:05,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:39:05,940 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:39:05,940 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:39:05,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:39:05,940 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:39:05,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:39:05,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:39:05,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:39:05,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:39:05,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:39:05,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:39:05,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:39:05,942 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:39:05,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:39:05,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:39:05,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:39:05,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:39:05,943 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_5b1117d8-7275-4df5-a91b-92d85406603d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 [2021-11-07 01:39:06,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:39:06,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:39:06,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:39:06,204 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:39:06,204 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:39:06,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2021-11-07 01:39:06,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/data/9372ad40f/51029710d2f840c8bae087209c0c5d24/FLAG860d904e3 [2021-11-07 01:39:06,889 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:39:06,889 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2021-11-07 01:39:06,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/data/9372ad40f/51029710d2f840c8bae087209c0c5d24/FLAG860d904e3 [2021-11-07 01:39:07,175 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/data/9372ad40f/51029710d2f840c8bae087209c0c5d24 [2021-11-07 01:39:07,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:39:07,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:39:07,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:39:07,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:39:07,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:39:07,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:39:07" (1/1) ... [2021-11-07 01:39:07,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341c70f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:07, skipping insertion in model container [2021-11-07 01:39:07,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:39:07" (1/1) ... [2021-11-07 01:39:07,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:39:07,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:39:07,410 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_5b1117d8-7275-4df5-a91b-92d85406603d/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2021-11-07 01:39:07,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:39:07,544 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 01:39:07,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60633db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:07, skipping insertion in model container [2021-11-07 01:39:07,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:39:07,545 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:39:07,547 INFO L168 Benchmark]: Toolchain (without parser) took 367.22 ms. Allocated memory is still 117.4 MB. Free memory was 85.1 MB in the beginning and 71.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:07,548 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory is still 51.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:39:07,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.45 ms. Allocated memory is still 117.4 MB. Free memory was 85.0 MB in the beginning and 71.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:07,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory is still 51.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 364.45 ms. Allocated memory is still 117.4 MB. Free memory was 85.0 MB in the beginning and 71.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 183]: 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_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/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_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/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_5b1117d8-7275-4df5-a91b-92d85406603d/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 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:39:09,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:39:09,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:39:09,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:39:09,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:39:09,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:39:09,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:39:09,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:39:09,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:39:09,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:39:09,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:39:09,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:39:09,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:39:09,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:39:09,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:39:09,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:39:09,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:39:09,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:39:09,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:39:09,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:39:09,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:39:09,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:39:09,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:39:09,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:39:09,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:39:09,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:39:09,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:39:09,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:39:09,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:39:09,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:39:09,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:39:09,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:39:09,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:39:09,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:39:09,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:39:09,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:39:09,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:39:09,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:39:09,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:39:09,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:39:09,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:39:09,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:39:09,862 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:39:09,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:39:09,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:39:09,864 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:39:09,864 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:39:09,865 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:39:09,865 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:39:09,865 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:39:09,865 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:39:09,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:39:09,867 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:39:09,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:39:09,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:39:09,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:39:09,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:39:09,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:39:09,869 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:39:09,869 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:39:09,869 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:39:09,869 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:39:09,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:39:09,870 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:39:09,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:39:09,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:39:09,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:39:09,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:39:09,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:39:09,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:39:09,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:39:09,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:39:09,872 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:39:09,872 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:39:09,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:39:09,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:39:09,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:39:09,873 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_5b1117d8-7275-4df5-a91b-92d85406603d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 [2021-11-07 01:39:10,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:39:10,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:39:10,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:39:10,249 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:39:10,250 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:39:10,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2021-11-07 01:39:10,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/data/de2a77e6e/41dd57762ea9496ca9709898af3b6beb/FLAG4c53e888d [2021-11-07 01:39:10,868 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:39:10,868 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2021-11-07 01:39:10,881 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/data/de2a77e6e/41dd57762ea9496ca9709898af3b6beb/FLAG4c53e888d [2021-11-07 01:39:11,146 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/data/de2a77e6e/41dd57762ea9496ca9709898af3b6beb [2021-11-07 01:39:11,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:39:11,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:39:11,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:39:11,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:39:11,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:39:11,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:39:11" (1/1) ... [2021-11-07 01:39:11,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33942d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:11, skipping insertion in model container [2021-11-07 01:39:11,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:39:11" (1/1) ... [2021-11-07 01:39:11,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:39:11,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:39:11,370 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_5b1117d8-7275-4df5-a91b-92d85406603d/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2021-11-07 01:39:11,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:39:11,566 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:39:11,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:39:11,601 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_5b1117d8-7275-4df5-a91b-92d85406603d/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2021-11-07 01:39:11,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:39:11,661 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:39:11,680 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_5b1117d8-7275-4df5-a91b-92d85406603d/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2021-11-07 01:39:11,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:39:11,741 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:39:11,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:11 WrapperNode [2021-11-07 01:39:11,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:39:11,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:39:11,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:39:11,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:39:11,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:11" (1/1) ... [2021-11-07 01:39:11,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:11" (1/1) ... [2021-11-07 01:39:11,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:39:11,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:39:11,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:39:11,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:39:11,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:11" (1/1) ... [2021-11-07 01:39:11,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:11" (1/1) ... [2021-11-07 01:39:11,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:11" (1/1) ... [2021-11-07 01:39:11,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:11" (1/1) ... [2021-11-07 01:39:11,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:11" (1/1) ... [2021-11-07 01:39:11,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:11" (1/1) ... [2021-11-07 01:39:11,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:11" (1/1) ... [2021-11-07 01:39:11,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:39:11,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:39:11,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:39:11,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:39:11,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:11" (1/1) ... [2021-11-07 01:39:11,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:39:11,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:39:11,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:39:11,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:39:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:39:12,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:39:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:39:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:39:14,307 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:39:14,307 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-11-07 01:39:14,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:39:14 BoogieIcfgContainer [2021-11-07 01:39:14,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:39:14,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:39:14,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:39:14,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:39:14,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:39:11" (1/3) ... [2021-11-07 01:39:14,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc561e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:39:14, skipping insertion in model container [2021-11-07 01:39:14,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:11" (2/3) ... [2021-11-07 01:39:14,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc561e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:39:14, skipping insertion in model container [2021-11-07 01:39:14,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:39:14" (3/3) ... [2021-11-07 01:39:14,318 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2021-11-07 01:39:14,324 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:39:14,324 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:39:14,372 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:39:14,378 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 01:39:14,378 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:39:14,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 101 states have (on average 1.5445544554455446) internal successors, (156), 104 states have internal predecessors, (156), 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 01:39:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:39:14,401 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:14,402 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:39:14,402 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 01:39:14,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:14,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1624388130, now seen corresponding path program 1 times [2021-11-07 01:39:14,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:14,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596660332] [2021-11-07 01:39:14,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:14,423 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:14,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:14,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:14,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:39:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:14,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:39:14,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:14,775 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 01:39:14,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:14,838 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 01:39:14,838 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:14,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596660332] [2021-11-07 01:39:14,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596660332] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:14,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:14,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:39:14,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69301694] [2021-11-07 01:39:14,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:39:14,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:14,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:39:14,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:39:14,867 INFO L87 Difference]: Start difference. First operand has 105 states, 101 states have (on average 1.5445544554455446) internal successors, (156), 104 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:14,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:14,925 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2021-11-07 01:39:14,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:39:14,926 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 01:39:14,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:14,939 INFO L225 Difference]: With dead ends: 204 [2021-11-07 01:39:14,939 INFO L226 Difference]: Without dead ends: 101 [2021-11-07 01:39:14,943 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:39:14,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-07 01:39:14,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-11-07 01:39:14,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 98 states have (on average 1.469387755102041) internal successors, (144), 100 states have internal predecessors, (144), 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 01:39:14,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2021-11-07 01:39:14,998 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2021-11-07 01:39:14,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:14,999 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2021-11-07 01:39:14,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:15,000 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2021-11-07 01:39:15,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:39:15,003 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:15,003 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:39:15,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:15,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:15,215 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 01:39:15,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:15,216 INFO L85 PathProgramCache]: Analyzing trace with hash 577631233, now seen corresponding path program 1 times [2021-11-07 01:39:15,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:15,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445836750] [2021-11-07 01:39:15,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:15,217 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:15,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:15,218 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:15,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:39:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:15,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:39:15,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:15,463 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 01:39:15,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:15,512 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 01:39:15,512 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:15,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445836750] [2021-11-07 01:39:15,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1445836750] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:15,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:15,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:39:15,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125453130] [2021-11-07 01:39:15,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:39:15,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:15,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:39:15,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:39:15,516 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:15,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:15,529 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2021-11-07 01:39:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:39:15,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 01:39:15,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:15,531 INFO L225 Difference]: With dead ends: 101 [2021-11-07 01:39:15,531 INFO L226 Difference]: Without dead ends: 43 [2021-11-07 01:39:15,532 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:39:15,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-07 01:39:15,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-11-07 01:39:15,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 42 states have internal predecessors, (61), 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 01:39:15,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2021-11-07 01:39:15,537 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2021-11-07 01:39:15,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:15,537 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2021-11-07 01:39:15,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:15,538 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2021-11-07 01:39:15,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:39:15,539 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:15,539 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:39:15,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:15,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:15,751 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 01:39:15,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:15,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2021-11-07 01:39:15,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:15,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728526713] [2021-11-07 01:39:15,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:15,756 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:15,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:15,757 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:15,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:39:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:15,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:39:15,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:16,073 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 01:39:16,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:16,161 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 01:39:16,162 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:16,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728526713] [2021-11-07 01:39:16,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1728526713] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:16,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:16,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:39:16,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532588529] [2021-11-07 01:39:16,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:39:16,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:16,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:39:16,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:39:16,165 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:16,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:16,173 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2021-11-07 01:39:16,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:39:16,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-07 01:39:16,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:16,174 INFO L225 Difference]: With dead ends: 80 [2021-11-07 01:39:16,174 INFO L226 Difference]: Without dead ends: 43 [2021-11-07 01:39:16,175 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:39:16,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-07 01:39:16,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-11-07 01:39:16,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 42 states have internal predecessors, (60), 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 01:39:16,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-11-07 01:39:16,180 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2021-11-07 01:39:16,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:16,180 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-11-07 01:39:16,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-11-07 01:39:16,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:39:16,182 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:16,182 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 01:39:16,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-07 01:39:16,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:16,394 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 01:39:16,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:16,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2021-11-07 01:39:16,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:16,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [833246355] [2021-11-07 01:39:16,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:16,396 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:16,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:16,397 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:16,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:39:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:16,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:39:16,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:16,678 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 01:39:16,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:16,806 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 01:39:16,807 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:16,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [833246355] [2021-11-07 01:39:16,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [833246355] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:16,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:16,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:39:16,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507446717] [2021-11-07 01:39:16,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:39:16,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:16,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:39:16,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:39:16,810 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:17,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:17,084 INFO L93 Difference]: Finished difference Result 330 states and 494 transitions. [2021-11-07 01:39:17,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:39:17,085 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:39:17,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:17,092 INFO L225 Difference]: With dead ends: 330 [2021-11-07 01:39:17,092 INFO L226 Difference]: Without dead ends: 293 [2021-11-07 01:39:17,094 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:39:17,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-11-07 01:39:17,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 108. [2021-11-07 01:39:17,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.439252336448598) internal successors, (154), 107 states have internal predecessors, (154), 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 01:39:17,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2021-11-07 01:39:17,122 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 24 [2021-11-07 01:39:17,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:17,122 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2021-11-07 01:39:17,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:17,123 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2021-11-07 01:39:17,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:39:17,128 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:17,128 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:39:17,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-07 01:39:17,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:17,341 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 01:39:17,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:17,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1240528407, now seen corresponding path program 1 times [2021-11-07 01:39:17,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:17,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1131107316] [2021-11-07 01:39:17,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:17,342 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:17,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:17,343 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:17,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:39:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:17,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:39:17,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:17,635 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 01:39:17,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:17,683 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 01:39:17,683 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:17,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1131107316] [2021-11-07 01:39:17,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1131107316] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:17,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:17,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:39:17,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493904840] [2021-11-07 01:39:17,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:39:17,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:17,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:39:17,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:39:17,690 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:19,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:19,246 INFO L93 Difference]: Finished difference Result 262 states and 376 transitions. [2021-11-07 01:39:19,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:39:19,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 01:39:19,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:19,248 INFO L225 Difference]: With dead ends: 262 [2021-11-07 01:39:19,249 INFO L226 Difference]: Without dead ends: 160 [2021-11-07 01:39:19,250 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:39:19,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-11-07 01:39:19,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 158. [2021-11-07 01:39:19,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.394904458598726) internal successors, (219), 157 states have internal predecessors, (219), 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 01:39:19,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 219 transitions. [2021-11-07 01:39:19,274 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 219 transitions. Word has length 25 [2021-11-07 01:39:19,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:19,274 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 219 transitions. [2021-11-07 01:39:19,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:19,275 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 219 transitions. [2021-11-07 01:39:19,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 01:39:19,276 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:19,276 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 01:39:19,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:19,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:19,492 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 01:39:19,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:19,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1153293110, now seen corresponding path program 1 times [2021-11-07 01:39:19,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:19,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74633870] [2021-11-07 01:39:19,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:19,494 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:19,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:19,496 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:19,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:39:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:19,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:39:19,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:19,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:19,930 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 01:39:19,930 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:19,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74633870] [2021-11-07 01:39:19,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74633870] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:19,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:19,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:39:19,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134637937] [2021-11-07 01:39:19,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:39:19,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:19,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:39:19,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:39:19,933 INFO L87 Difference]: Start difference. First operand 158 states and 219 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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 01:39:19,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:19,950 INFO L93 Difference]: Finished difference Result 215 states and 302 transitions. [2021-11-07 01:39:19,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:39:19,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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 01:39:19,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:19,952 INFO L225 Difference]: With dead ends: 215 [2021-11-07 01:39:19,952 INFO L226 Difference]: Without dead ends: 63 [2021-11-07 01:39:19,955 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 01:39:19,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-11-07 01:39:19,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-11-07 01:39:19,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 62 states have internal predecessors, (80), 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 01:39:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2021-11-07 01:39:19,972 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 27 [2021-11-07 01:39:19,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:19,972 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2021-11-07 01:39:19,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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 01:39:19,973 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-11-07 01:39:19,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 01:39:19,976 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:19,976 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:39:20,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:20,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:20,202 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 01:39:20,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:20,202 INFO L85 PathProgramCache]: Analyzing trace with hash 638504924, now seen corresponding path program 1 times [2021-11-07 01:39:20,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:20,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580840092] [2021-11-07 01:39:20,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:20,204 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:20,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:20,205 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:20,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:39:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:20,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:39:20,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:20,631 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:20,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:20,813 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:20,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580840092] [2021-11-07 01:39:20,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580840092] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:39:20,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [922923952] [2021-11-07 01:39:20,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:20,814 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:39:20,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:39:20,817 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:39:20,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-07 01:39:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:21,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:39:21,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:21,239 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 01:39:21,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:21,377 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 01:39:21,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [922923952] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:21,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:39:21,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-11-07 01:39:21,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040315081] [2021-11-07 01:39:21,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:39:21,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:21,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:39:21,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:39:21,381 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:21,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:21,503 INFO L93 Difference]: Finished difference Result 125 states and 164 transitions. [2021-11-07 01:39:21,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:39:21,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-07 01:39:21,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:21,504 INFO L225 Difference]: With dead ends: 125 [2021-11-07 01:39:21,504 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:39:21,505 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:39:21,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:39:21,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:39:21,506 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 01:39:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:39:21,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-11-07 01:39:21,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:21,507 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:39:21,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:21,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:39:21,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:39:21,510 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:39:21,511 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:39:21,512 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:39:21,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:21,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:21,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:21,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:39:21,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:21,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:22,240 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2021-11-07 01:39:22,240 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 713) no Hoare annotation was computed. [2021-11-07 01:39:22,240 INFO L857 garLoopResultBuilder]: For program point L696-1(lines 696 713) no Hoare annotation was computed. [2021-11-07 01:39:22,240 INFO L857 garLoopResultBuilder]: For program point L696-2(lines 696 713) no Hoare annotation was computed. [2021-11-07 01:39:22,240 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 943) no Hoare annotation was computed. [2021-11-07 01:39:22,241 INFO L853 garLoopResultBuilder]: At program point L930-1(lines 1 946) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:22,241 INFO L857 garLoopResultBuilder]: For program point L930-2(lines 930 943) no Hoare annotation was computed. [2021-11-07 01:39:22,241 INFO L853 garLoopResultBuilder]: At program point L930-3(lines 1 946) the Hoare annotation is: false [2021-11-07 01:39:22,241 INFO L857 garLoopResultBuilder]: For program point L930-4(lines 930 943) no Hoare annotation was computed. [2021-11-07 01:39:22,241 INFO L853 garLoopResultBuilder]: At program point L930-5(lines 1 946) the Hoare annotation is: false [2021-11-07 01:39:22,241 INFO L857 garLoopResultBuilder]: For program point L534(lines 533 578) no Hoare annotation was computed. [2021-11-07 01:39:22,242 INFO L853 garLoopResultBuilder]: At program point L766(lines 761 769) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:22,242 INFO L853 garLoopResultBuilder]: At program point L766-1(lines 761 769) the Hoare annotation is: false [2021-11-07 01:39:22,242 INFO L857 garLoopResultBuilder]: For program point L700(lines 700 708) no Hoare annotation was computed. [2021-11-07 01:39:22,242 INFO L853 garLoopResultBuilder]: At program point L766-2(lines 761 769) the Hoare annotation is: false [2021-11-07 01:39:22,242 INFO L857 garLoopResultBuilder]: For program point L700-1(lines 700 708) no Hoare annotation was computed. [2021-11-07 01:39:22,242 INFO L857 garLoopResultBuilder]: For program point L700-2(lines 700 708) no Hoare annotation was computed. [2021-11-07 01:39:22,242 INFO L857 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2021-11-07 01:39:22,243 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 573) no Hoare annotation was computed. [2021-11-07 01:39:22,243 INFO L857 garLoopResultBuilder]: For program point L569-2(lines 638 644) no Hoare annotation was computed. [2021-11-07 01:39:22,243 INFO L853 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: false [2021-11-07 01:39:22,243 INFO L853 garLoopResultBuilder]: At program point L141-1(lines 136 144) the Hoare annotation is: false [2021-11-07 01:39:22,243 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-11-07 01:39:22,243 INFO L853 garLoopResultBuilder]: At program point L141-2(lines 136 144) the Hoare annotation is: false [2021-11-07 01:39:22,243 INFO L853 garLoopResultBuilder]: At program point L141-3(lines 136 144) the Hoare annotation is: false [2021-11-07 01:39:22,244 INFO L853 garLoopResultBuilder]: At program point L141-4(lines 136 144) the Hoare annotation is: false [2021-11-07 01:39:22,244 INFO L853 garLoopResultBuilder]: At program point L141-5(lines 136 144) the Hoare annotation is: false [2021-11-07 01:39:22,244 INFO L857 garLoopResultBuilder]: For program point L934(lines 934 940) no Hoare annotation was computed. [2021-11-07 01:39:22,244 INFO L857 garLoopResultBuilder]: For program point L934-2(lines 934 940) no Hoare annotation was computed. [2021-11-07 01:39:22,244 INFO L857 garLoopResultBuilder]: For program point L934-4(lines 934 940) no Hoare annotation was computed. [2021-11-07 01:39:22,244 INFO L857 garLoopResultBuilder]: For program point L670(lines 670 687) no Hoare annotation was computed. [2021-11-07 01:39:22,244 INFO L857 garLoopResultBuilder]: For program point L670-1(lines 670 687) no Hoare annotation was computed. [2021-11-07 01:39:22,245 INFO L857 garLoopResultBuilder]: For program point L670-2(lines 670 687) no Hoare annotation was computed. [2021-11-07 01:39:22,245 INFO L857 garLoopResultBuilder]: For program point L670-3(lines 670 687) no Hoare annotation was computed. [2021-11-07 01:39:22,245 INFO L857 garLoopResultBuilder]: For program point L670-4(lines 670 687) no Hoare annotation was computed. [2021-11-07 01:39:22,245 INFO L857 garLoopResultBuilder]: For program point L670-5(lines 670 687) no Hoare annotation was computed. [2021-11-07 01:39:22,245 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2021-11-07 01:39:22,245 INFO L853 garLoopResultBuilder]: At program point L638(lines 637 656) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:22,246 INFO L857 garLoopResultBuilder]: For program point L638-1(lines 638 644) no Hoare annotation was computed. [2021-11-07 01:39:22,246 INFO L853 garLoopResultBuilder]: At program point L638-2(lines 637 656) the Hoare annotation is: false [2021-11-07 01:39:22,246 INFO L853 garLoopResultBuilder]: At program point L638-3(lines 637 656) the Hoare annotation is: false [2021-11-07 01:39:22,246 INFO L853 garLoopResultBuilder]: At program point L837-2(lines 837 851) the Hoare annotation is: false [2021-11-07 01:39:22,246 INFO L857 garLoopResultBuilder]: For program point L838(line 838) no Hoare annotation was computed. [2021-11-07 01:39:22,246 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 682) no Hoare annotation was computed. [2021-11-07 01:39:22,246 INFO L857 garLoopResultBuilder]: For program point L674-1(lines 674 682) no Hoare annotation was computed. [2021-11-07 01:39:22,247 INFO L857 garLoopResultBuilder]: For program point L674-2(lines 674 682) no Hoare annotation was computed. [2021-11-07 01:39:22,247 INFO L857 garLoopResultBuilder]: For program point L674-3(lines 674 682) no Hoare annotation was computed. [2021-11-07 01:39:22,247 INFO L857 garLoopResultBuilder]: For program point L674-4(lines 674 682) no Hoare annotation was computed. [2021-11-07 01:39:22,247 INFO L857 garLoopResultBuilder]: For program point L674-5(lines 674 682) no Hoare annotation was computed. [2021-11-07 01:39:22,247 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2021-11-07 01:39:22,247 INFO L853 garLoopResultBuilder]: At program point L543-1(lines 543 549) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:22,247 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2021-11-07 01:39:22,248 INFO L857 garLoopResultBuilder]: For program point L841-1(lines 638 644) no Hoare annotation was computed. [2021-11-07 01:39:22,248 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 915) no Hoare annotation was computed. [2021-11-07 01:39:22,248 INFO L860 garLoopResultBuilder]: At program point L908-1(lines 908 915) the Hoare annotation is: true [2021-11-07 01:39:22,248 INFO L853 garLoopResultBuilder]: At program point L645(lines 645 651) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:22,248 INFO L853 garLoopResultBuilder]: At program point L645-1(lines 645 651) the Hoare annotation is: false [2021-11-07 01:39:22,248 INFO L853 garLoopResultBuilder]: At program point L579(lines 532 580) the Hoare annotation is: false [2021-11-07 01:39:22,248 INFO L853 garLoopResultBuilder]: At program point L645-2(lines 645 651) the Hoare annotation is: false [2021-11-07 01:39:22,249 INFO L857 garLoopResultBuilder]: For program point L150(line 150) no Hoare annotation was computed. [2021-11-07 01:39:22,249 INFO L857 garLoopResultBuilder]: For program point L150-1(line 150) no Hoare annotation was computed. [2021-11-07 01:39:22,249 INFO L857 garLoopResultBuilder]: For program point L150-2(line 150) no Hoare annotation was computed. [2021-11-07 01:39:22,249 INFO L853 garLoopResultBuilder]: At program point L613(lines 1 946) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:22,249 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:39:22,249 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-11-07 01:39:22,249 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 819) no Hoare annotation was computed. [2021-11-07 01:39:22,250 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 819) no Hoare annotation was computed. [2021-11-07 01:39:22,250 INFO L857 garLoopResultBuilder]: For program point L815-3(lines 815 819) no Hoare annotation was computed. [2021-11-07 01:39:22,250 INFO L857 garLoopResultBuilder]: For program point L815-5(lines 815 819) no Hoare annotation was computed. [2021-11-07 01:39:22,250 INFO L857 garLoopResultBuilder]: For program point L815-6(lines 815 819) no Hoare annotation was computed. [2021-11-07 01:39:22,250 INFO L857 garLoopResultBuilder]: For program point L815-8(lines 815 819) no Hoare annotation was computed. [2021-11-07 01:39:22,250 INFO L857 garLoopResultBuilder]: For program point L815-9(lines 815 819) no Hoare annotation was computed. [2021-11-07 01:39:22,250 INFO L857 garLoopResultBuilder]: For program point L815-11(lines 815 819) no Hoare annotation was computed. [2021-11-07 01:39:22,251 INFO L857 garLoopResultBuilder]: For program point L815-12(lines 815 819) no Hoare annotation was computed. [2021-11-07 01:39:22,251 INFO L857 garLoopResultBuilder]: For program point L815-14(lines 815 819) no Hoare annotation was computed. [2021-11-07 01:39:22,251 INFO L857 garLoopResultBuilder]: For program point L815-15(lines 815 819) no Hoare annotation was computed. [2021-11-07 01:39:22,251 INFO L857 garLoopResultBuilder]: For program point L815-17(lines 815 819) no Hoare annotation was computed. [2021-11-07 01:39:22,251 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 559) no Hoare annotation was computed. [2021-11-07 01:39:22,251 INFO L853 garLoopResultBuilder]: At program point L553-1(lines 553 559) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:22,251 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:39:22,251 INFO L860 garLoopResultBuilder]: At program point L917(lines 898 920) the Hoare annotation is: true [2021-11-07 01:39:22,252 INFO L853 garLoopResultBuilder]: At program point L885(lines 881 887) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:22,252 INFO L853 garLoopResultBuilder]: At program point L621(lines 616 624) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:22,252 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:39:22,252 INFO L853 garLoopResultBuilder]: At program point L821(lines 806 824) the Hoare annotation is: false [2021-11-07 01:39:22,252 INFO L853 garLoopResultBuilder]: At program point L821-1(lines 806 824) the Hoare annotation is: false [2021-11-07 01:39:22,252 INFO L853 garLoopResultBuilder]: At program point L821-2(lines 806 824) the Hoare annotation is: false [2021-11-07 01:39:22,257 INFO L853 garLoopResultBuilder]: At program point L821-3(lines 806 824) the Hoare annotation is: false [2021-11-07 01:39:22,258 INFO L853 garLoopResultBuilder]: At program point L821-4(lines 806 824) the Hoare annotation is: false [2021-11-07 01:39:22,258 INFO L853 garLoopResultBuilder]: At program point L821-5(lines 806 824) the Hoare annotation is: false [2021-11-07 01:39:22,258 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-11-07 01:39:22,258 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-11-07 01:39:22,258 INFO L857 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-11-07 01:39:22,258 INFO L853 garLoopResultBuilder]: At program point L757(lines 750 760) the Hoare annotation is: false [2021-11-07 01:39:22,259 INFO L853 garLoopResultBuilder]: At program point L757-1(lines 750 760) the Hoare annotation is: false [2021-11-07 01:39:22,259 INFO L853 garLoopResultBuilder]: At program point L757-2(lines 750 760) the Hoare annotation is: false [2021-11-07 01:39:22,259 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:39:22,259 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2021-11-07 01:39:22,260 INFO L853 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:22,260 INFO L853 garLoopResultBuilder]: At program point L132-1(lines 127 135) the Hoare annotation is: false [2021-11-07 01:39:22,260 INFO L853 garLoopResultBuilder]: At program point L132-2(lines 127 135) the Hoare annotation is: false [2021-11-07 01:39:22,260 INFO L853 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: false [2021-11-07 01:39:22,260 INFO L853 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2021-11-07 01:39:22,260 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2021-11-07 01:39:22,261 INFO L857 garLoopResultBuilder]: For program point L563(lines 563 574) no Hoare annotation was computed. [2021-11-07 01:39:22,264 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:39:22,269 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:39:22,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:39:22 BoogieIcfgContainer [2021-11-07 01:39:22,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:39:22,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:39:22,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:39:22,299 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:39:22,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:39:14" (3/4) ... [2021-11-07 01:39:22,302 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:39:22,330 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:39:22,331 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:39:22,332 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:39:22,333 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:39:22,333 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:39:22,334 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:39:22,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:39:22,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:39:22,450 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:39:22,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:39:22,451 INFO L168 Benchmark]: Toolchain (without parser) took 11300.40 ms. Allocated memory was 69.2 MB in the beginning and 113.2 MB in the end (delta: 44.0 MB). Free memory was 47.2 MB in the beginning and 84.8 MB in the end (delta: -37.6 MB). Peak memory consumption was 55.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:22,451 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 69.2 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:39:22,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.16 ms. Allocated memory is still 69.2 MB. Free memory was 47.1 MB in the beginning and 39.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:22,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.69 ms. Allocated memory is still 69.2 MB. Free memory was 39.4 MB in the beginning and 36.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:22,452 INFO L168 Benchmark]: Boogie Preprocessor took 97.38 ms. Allocated memory is still 69.2 MB. Free memory was 36.0 MB in the beginning and 33.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:22,452 INFO L168 Benchmark]: RCFGBuilder took 2397.48 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 33.4 MB in the beginning and 60.5 MB in the end (delta: -27.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:22,452 INFO L168 Benchmark]: TraceAbstraction took 7986.75 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 60.1 MB in the beginning and 40.3 MB in the end (delta: 19.7 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:22,453 INFO L168 Benchmark]: Witness Printer took 151.03 ms. Allocated memory is still 113.2 MB. Free memory was 40.3 MB in the beginning and 84.8 MB in the end (delta: -44.5 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:22,455 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 69.2 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 591.16 ms. Allocated memory is still 69.2 MB. Free memory was 47.1 MB in the beginning and 39.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.69 ms. Allocated memory is still 69.2 MB. Free memory was 39.4 MB in the beginning and 36.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.38 ms. Allocated memory is still 69.2 MB. Free memory was 36.0 MB in the beginning and 33.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2397.48 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 33.4 MB in the beginning and 60.5 MB in the end (delta: -27.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7986.75 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 60.1 MB in the beginning and 40.3 MB in the end (delta: 19.7 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. * Witness Printer took 151.03 ms. Allocated memory is still 113.2 MB. Free memory was 40.3 MB in the beginning and 84.8 MB in the end (delta: -44.5 MB). Peak memory consumption was 4.7 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: 150]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 150]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 150]: 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, 105 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 521 SDtfs, 909 SDslu, 569 SDs, 0 SdLazy, 127 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 422 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=5, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 187 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 84 NumberOfFragments, 135 HoareAnnotationTreeSize, 42 FomulaSimplifications, 1714 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 42 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 410 ConstructedInterpolants, 0 QuantifiedInterpolants, 837 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1617 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 54/64 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: 637]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 645]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 645]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 645]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:39:22,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b1117d8-7275-4df5-a91b-92d85406603d/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