./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8 --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 b00f2b5e86cdb554aa1013f25ad23bb3779c67ba ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8 --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 b00f2b5e86cdb554aa1013f25ad23bb3779c67ba ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:27:30,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:27:30,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:27:30,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:27:30,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:27:30,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:27:30,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:27:30,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:27:30,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:27:30,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:27:30,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:27:30,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:27:30,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:27:30,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:27:30,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:27:30,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:27:30,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:27:30,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:27:30,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:27:30,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:27:30,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:27:30,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:27:30,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:27:30,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:27:30,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:27:30,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:27:30,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:27:30,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:27:30,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:27:30,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:27:30,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:27:30,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:27:30,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:27:30,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:27:30,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:27:30,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:27:30,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:27:30,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:27:30,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:27:30,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:27:30,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:27:30,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:27:30,811 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:27:30,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:27:30,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:27:30,813 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:27:30,813 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:27:30,814 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:27:30,814 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:27:30,814 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:27:30,814 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:27:30,815 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:27:30,815 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:27:30,815 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:27:30,816 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:27:30,816 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:27:30,816 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:27:30,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:27:30,817 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:27:30,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:27:30,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:27:30,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:27:30,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:27:30,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:27:30,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:27:30,819 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:27:30,820 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:27:30,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:27:30,820 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:27:30,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:27:30,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:27:30,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:27:30,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:27:30,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:27:30,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:27:30,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:27:30,822 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:27:30,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:27:30,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:27:30,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:27:30,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:27:30,824 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_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b00f2b5e86cdb554aa1013f25ad23bb3779c67ba [2021-10-13 07:27:31,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:27:31,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:27:31,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:27:31,234 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:27:31,235 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:27:31,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2021-10-13 07:27:31,333 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/data/f181a28b6/489b9fc77e5140f79a1ab0c62208e9d4/FLAG7b466d410 [2021-10-13 07:27:31,963 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:27:31,968 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2021-10-13 07:27:32,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/data/f181a28b6/489b9fc77e5140f79a1ab0c62208e9d4/FLAG7b466d410 [2021-10-13 07:27:32,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/data/f181a28b6/489b9fc77e5140f79a1ab0c62208e9d4 [2021-10-13 07:27:32,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:27:32,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:27:32,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:27:32,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:27:32,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:27:32,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:27:32" (1/1) ... [2021-10-13 07:27:32,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592d8798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:32, skipping insertion in model container [2021-10-13 07:27:32,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:27:32" (1/1) ... [2021-10-13 07:27:32,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:27:32,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:27:32,566 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_c923c473-fb18-48ad-a6ec-23ed7d42350d/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6562,6575] [2021-10-13 07:27:32,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:27:32,655 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 07:27:32,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42601598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:32, skipping insertion in model container [2021-10-13 07:27:32,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:27:32,656 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:27:32,659 INFO L168 Benchmark]: Toolchain (without parser) took 407.75 ms. Allocated memory is still 127.9 MB. Free memory was 89.0 MB in the beginning and 100.0 MB in the end (delta: -11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:27:32,660 INFO L168 Benchmark]: CDTParser took 1.04 ms. Allocated memory is still 127.9 MB. Free memory was 106.8 MB in the beginning and 106.7 MB in the end (delta: 50.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:27:32,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.92 ms. Allocated memory is still 127.9 MB. Free memory was 88.9 MB in the beginning and 100.0 MB in the end (delta: -11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:27:32,664 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04 ms. Allocated memory is still 127.9 MB. Free memory was 106.8 MB in the beginning and 106.7 MB in the end (delta: 50.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 404.92 ms. Allocated memory is still 127.9 MB. Free memory was 88.9 MB in the beginning and 100.0 MB in the end (delta: -11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 599]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:27:35,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:27:35,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:27:35,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:27:35,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:27:35,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:27:35,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:27:35,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:27:35,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:27:35,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:27:35,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:27:35,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:27:35,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:27:35,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:27:35,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:27:35,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:27:35,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:27:35,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:27:35,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:27:35,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:27:35,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:27:35,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:27:35,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:27:35,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:27:35,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:27:35,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:27:35,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:27:35,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:27:35,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:27:35,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:27:35,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:27:35,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:27:35,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:27:35,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:27:35,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:27:35,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:27:35,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:27:35,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:27:35,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:27:35,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:27:35,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:27:35,373 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:27:35,399 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:27:35,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:27:35,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:27:35,400 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:27:35,401 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:27:35,401 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:27:35,401 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:27:35,401 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:27:35,402 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:27:35,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:27:35,403 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:27:35,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:27:35,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:27:35,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:27:35,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:27:35,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:27:35,404 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:27:35,405 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:27:35,405 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:27:35,405 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:27:35,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:27:35,406 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:27:35,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:27:35,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:27:35,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:27:35,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:27:35,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:27:35,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:27:35,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:27:35,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:27:35,408 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:27:35,408 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:27:35,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:27:35,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:27:35,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:27:35,409 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_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b00f2b5e86cdb554aa1013f25ad23bb3779c67ba [2021-10-13 07:27:35,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:27:35,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:27:35,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:27:35,825 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:27:35,826 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:27:35,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2021-10-13 07:27:35,905 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/data/5d093dcd6/3a93fdd66af94970aeeaec18400fc3cf/FLAG37584dbd6 [2021-10-13 07:27:36,512 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:27:36,513 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2021-10-13 07:27:36,539 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/data/5d093dcd6/3a93fdd66af94970aeeaec18400fc3cf/FLAG37584dbd6 [2021-10-13 07:27:36,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/data/5d093dcd6/3a93fdd66af94970aeeaec18400fc3cf [2021-10-13 07:27:36,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:27:36,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:27:36,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:27:36,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:27:36,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:27:36,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:27:36" (1/1) ... [2021-10-13 07:27:36,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3e9fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:36, skipping insertion in model container [2021-10-13 07:27:36,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:27:36" (1/1) ... [2021-10-13 07:27:36,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:27:36,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:27:37,155 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_c923c473-fb18-48ad-a6ec-23ed7d42350d/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6562,6575] [2021-10-13 07:27:37,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:27:37,315 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:27:37,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:27:37,357 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_c923c473-fb18-48ad-a6ec-23ed7d42350d/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6562,6575] [2021-10-13 07:27:37,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:27:37,435 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:27:37,467 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_c923c473-fb18-48ad-a6ec-23ed7d42350d/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6562,6575] [2021-10-13 07:27:37,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:27:37,538 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:27:37,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:37 WrapperNode [2021-10-13 07:27:37,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:27:37,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:27:37,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:27:37,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:27:37,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:37" (1/1) ... [2021-10-13 07:27:37,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:37" (1/1) ... [2021-10-13 07:27:37,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:27:37,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:27:37,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:27:37,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:27:37,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:37" (1/1) ... [2021-10-13 07:27:37,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:37" (1/1) ... [2021-10-13 07:27:37,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:37" (1/1) ... [2021-10-13 07:27:37,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:37" (1/1) ... [2021-10-13 07:27:37,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:37" (1/1) ... [2021-10-13 07:27:37,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:37" (1/1) ... [2021-10-13 07:27:37,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:37" (1/1) ... [2021-10-13 07:27:37,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:27:37,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:27:37,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:27:37,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:27:37,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:37" (1/1) ... [2021-10-13 07:27:37,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:27:37,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:27:37,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:27:37,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:27:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:27:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:27:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:27:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:27:40,574 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:27:40,575 INFO L299 CfgBuilder]: Removed 170 assume(true) statements. [2021-10-13 07:27:40,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:27:40 BoogieIcfgContainer [2021-10-13 07:27:40,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:27:40,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:27:40,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:27:40,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:27:40,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:27:36" (1/3) ... [2021-10-13 07:27:40,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22fe91a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:27:40, skipping insertion in model container [2021-10-13 07:27:40,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:37" (2/3) ... [2021-10-13 07:27:40,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22fe91a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:27:40, skipping insertion in model container [2021-10-13 07:27:40,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:27:40" (3/3) ... [2021-10-13 07:27:40,586 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2021-10-13 07:27:40,590 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:27:40,591 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:27:40,640 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:27:40,647 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:27:40,647 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:27:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 122 states have (on average 1.5491803278688525) internal successors, (189), 125 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:40,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 07:27:40,671 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:27:40,672 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:27:40,673 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:27:40,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:27:40,678 INFO L82 PathProgramCache]: Analyzing trace with hash -988495008, now seen corresponding path program 1 times [2021-10-13 07:27:40,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:27:40,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565436440] [2021-10-13 07:27:40,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:40,694 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:27:40,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:27:40,697 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:27:40,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:27:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:40,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:27:40,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:41,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:41,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:41,103 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:27:41,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565436440] [2021-10-13 07:27:41,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565436440] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:27:41,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:27:41,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:27:41,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335077763] [2021-10-13 07:27:41,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:27:41,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:27:41,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:27:41,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:27:41,128 INFO L87 Difference]: Start difference. First operand has 126 states, 122 states have (on average 1.5491803278688525) internal successors, (189), 125 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:41,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:27:41,162 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2021-10-13 07:27:41,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:27:41,178 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 07:27:41,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:27:41,191 INFO L225 Difference]: With dead ends: 245 [2021-10-13 07:27:41,192 INFO L226 Difference]: Without dead ends: 122 [2021-10-13 07:27:41,195 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:27:41,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-10-13 07:27:41,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-10-13 07:27:41,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 121 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:41,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2021-10-13 07:27:41,272 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2021-10-13 07:27:41,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:27:41,273 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2021-10-13 07:27:41,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2021-10-13 07:27:41,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 07:27:41,278 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:27:41,278 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:27:41,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:27:41,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:27:41,497 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:27:41,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:27:41,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1803446273, now seen corresponding path program 1 times [2021-10-13 07:27:41,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:27:41,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [462417611] [2021-10-13 07:27:41,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:41,499 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:27:41,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:27:41,501 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:27:41,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:27:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:41,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:27:41,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:41,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:41,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:41,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:41,864 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:27:41,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [462417611] [2021-10-13 07:27:41,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [462417611] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:27:41,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:27:41,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:27:41,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384966078] [2021-10-13 07:27:41,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:27:41,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:27:41,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:27:41,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:27:41,876 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:41,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:27:41,917 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2021-10-13 07:27:41,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:27:41,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 20 [2021-10-13 07:27:41,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:27:41,922 INFO L225 Difference]: With dead ends: 122 [2021-10-13 07:27:41,922 INFO L226 Difference]: Without dead ends: 51 [2021-10-13 07:27:41,924 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:27:41,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-13 07:27:41,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-13 07:27:41,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.46) internal successors, (73), 50 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:41,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-10-13 07:27:41,943 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-10-13 07:27:41,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:27:41,943 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-10-13 07:27:41,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:41,944 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-10-13 07:27:41,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:27:41,948 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:27:41,949 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:27:41,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:27:42,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:27:42,153 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:27:42,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:27:42,154 INFO L82 PathProgramCache]: Analyzing trace with hash -842309608, now seen corresponding path program 1 times [2021-10-13 07:27:42,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:27:42,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713607069] [2021-10-13 07:27:42,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:42,156 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:27:42,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:27:42,164 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:27:42,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:27:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:42,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:27:42,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:42,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:42,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:42,646 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:27:42,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [713607069] [2021-10-13 07:27:42,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [713607069] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:27:42,647 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:27:42,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:27:42,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227266220] [2021-10-13 07:27:42,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:27:42,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:27:42,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:27:42,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:27:42,653 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:42,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:27:42,673 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2021-10-13 07:27:42,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:27:42,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 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 26 [2021-10-13 07:27:42,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:27:42,678 INFO L225 Difference]: With dead ends: 95 [2021-10-13 07:27:42,678 INFO L226 Difference]: Without dead ends: 51 [2021-10-13 07:27:42,679 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:27:42,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-13 07:27:42,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-13 07:27:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.44) internal successors, (72), 50 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:42,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2021-10-13 07:27:42,694 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2021-10-13 07:27:42,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:27:42,695 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2021-10-13 07:27:42,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:42,697 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2021-10-13 07:27:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 07:27:42,700 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:27:42,700 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:27:42,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-13 07:27:42,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:27:42,915 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:27:42,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:27:42,916 INFO L82 PathProgramCache]: Analyzing trace with hash 674402038, now seen corresponding path program 1 times [2021-10-13 07:27:42,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:27:42,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971886461] [2021-10-13 07:27:42,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:42,918 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:27:42,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:27:42,921 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:27:42,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:27:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:43,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:27:43,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:43,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:43,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:43,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:43,343 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:27:43,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971886461] [2021-10-13 07:27:43,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971886461] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:27:43,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:27:43,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:27:43,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219090029] [2021-10-13 07:27:43,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:27:43,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:27:43,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:27:43,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:27:43,347 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:43,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:27:43,415 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2021-10-13 07:27:43,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:27:43,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2021-10-13 07:27:43,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:27:43,417 INFO L225 Difference]: With dead ends: 119 [2021-10-13 07:27:43,417 INFO L226 Difference]: Without dead ends: 75 [2021-10-13 07:27:43,418 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:27:43,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-13 07:27:43,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2021-10-13 07:27:43,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4166666666666667) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:43,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-13 07:27:43,436 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2021-10-13 07:27:43,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:27:43,437 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-13 07:27:43,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-13 07:27:43,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 07:27:43,441 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:27:43,442 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:27:43,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:27:43,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:27:43,657 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:27:43,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:27:43,658 INFO L82 PathProgramCache]: Analyzing trace with hash 950754951, now seen corresponding path program 1 times [2021-10-13 07:27:43,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:27:43,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898153870] [2021-10-13 07:27:43,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:43,660 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:27:43,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:27:43,661 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:27:43,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:27:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:44,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:27:44,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:44,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:44,233 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:27:44,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898153870] [2021-10-13 07:27:44,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898153870] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:27:44,237 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:27:44,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:27:44,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091190191] [2021-10-13 07:27:44,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:27:44,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:27:44,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:27:44,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:27:44,239 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:44,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:27:44,315 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2021-10-13 07:27:44,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:27:44,316 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 07:27:44,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:27:44,319 INFO L225 Difference]: With dead ends: 263 [2021-10-13 07:27:44,320 INFO L226 Difference]: Without dead ends: 197 [2021-10-13 07:27:44,321 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 33.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:27:44,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-10-13 07:27:44,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2021-10-13 07:27:44,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.394736842105263) internal successors, (106), 76 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:44,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2021-10-13 07:27:44,347 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2021-10-13 07:27:44,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:27:44,353 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2021-10-13 07:27:44,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:44,354 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2021-10-13 07:27:44,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 07:27:44,359 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:27:44,359 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:27:44,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:27:44,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:27:44,573 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:27:44,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:27:44,576 INFO L82 PathProgramCache]: Analyzing trace with hash 249690373, now seen corresponding path program 1 times [2021-10-13 07:27:44,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:27:44,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777407464] [2021-10-13 07:27:44,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:44,577 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:27:44,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:27:44,578 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:27:44,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:27:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:44,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:27:44,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:44,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:44,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:45,003 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:27:45,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777407464] [2021-10-13 07:27:45,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777407464] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:27:45,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:27:45,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:27:45,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518917555] [2021-10-13 07:27:45,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:27:45,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:27:45,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:27:45,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:27:45,007 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:45,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:27:45,077 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2021-10-13 07:27:45,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:27:45,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 07:27:45,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:27:45,079 INFO L225 Difference]: With dead ends: 202 [2021-10-13 07:27:45,079 INFO L226 Difference]: Without dead ends: 132 [2021-10-13 07:27:45,082 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:27:45,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-13 07:27:45,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2021-10-13 07:27:45,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 82 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:45,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2021-10-13 07:27:45,095 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2021-10-13 07:27:45,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:27:45,097 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2021-10-13 07:27:45,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:45,097 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2021-10-13 07:27:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 07:27:45,098 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:27:45,098 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:27:45,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:27:45,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:27:45,311 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:27:45,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:27:45,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1183154082, now seen corresponding path program 1 times [2021-10-13 07:27:45,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:27:45,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4920287] [2021-10-13 07:27:45,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:45,313 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:27:45,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:27:45,314 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:27:45,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:27:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:45,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:27:45,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:45,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:45,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:45,771 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:27:45,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4920287] [2021-10-13 07:27:45,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4920287] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:27:45,771 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:27:45,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:27:45,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441146215] [2021-10-13 07:27:45,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:27:45,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:27:45,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:27:45,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:27:45,773 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:45,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:27:45,944 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2021-10-13 07:27:45,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 07:27:45,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 07:27:45,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:27:45,946 INFO L225 Difference]: With dead ends: 282 [2021-10-13 07:27:45,946 INFO L226 Difference]: Without dead ends: 206 [2021-10-13 07:27:45,946 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 47.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:27:45,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-10-13 07:27:45,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2021-10-13 07:27:45,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.345679012345679) internal successors, (109), 81 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:45,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2021-10-13 07:27:45,957 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2021-10-13 07:27:45,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:27:45,958 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2021-10-13 07:27:45,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:45,958 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2021-10-13 07:27:45,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 07:27:45,959 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:27:45,959 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:27:45,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:27:46,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:27:46,174 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:27:46,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:27:46,174 INFO L82 PathProgramCache]: Analyzing trace with hash 363948937, now seen corresponding path program 1 times [2021-10-13 07:27:46,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:27:46,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1339477608] [2021-10-13 07:27:46,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:46,176 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:27:46,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:27:46,177 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:27:46,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:27:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:46,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:27:46,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:46,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:46,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:46,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:46,736 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:27:46,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1339477608] [2021-10-13 07:27:46,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1339477608] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:27:46,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:27:46,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:27:46,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928837095] [2021-10-13 07:27:46,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:27:46,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:27:46,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:27:46,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:27:46,743 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:46,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:27:46,815 INFO L93 Difference]: Finished difference Result 246 states and 331 transitions. [2021-10-13 07:27:46,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:27:46,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 07:27:46,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:27:46,817 INFO L225 Difference]: With dead ends: 246 [2021-10-13 07:27:46,818 INFO L226 Difference]: Without dead ends: 171 [2021-10-13 07:27:46,818 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:27:46,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-10-13 07:27:46,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 141. [2021-10-13 07:27:46,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 140 states have (on average 1.3428571428571427) internal successors, (188), 140 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:46,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 188 transitions. [2021-10-13 07:27:46,835 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 188 transitions. Word has length 34 [2021-10-13 07:27:46,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:27:46,835 INFO L470 AbstractCegarLoop]: Abstraction has 141 states and 188 transitions. [2021-10-13 07:27:46,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:46,835 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 188 transitions. [2021-10-13 07:27:46,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 07:27:46,836 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:27:46,836 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:27:46,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:27:47,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:27:47,049 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:27:47,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:27:47,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1031997239, now seen corresponding path program 1 times [2021-10-13 07:27:47,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:27:47,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [790262538] [2021-10-13 07:27:47,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:47,050 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:27:47,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:27:47,051 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:27:47,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:27:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:47,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:27:47,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:47,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:47,503 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:47,639 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:27:47,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [790262538] [2021-10-13 07:27:47,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [790262538] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:27:47,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:27:47,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:27:47,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490201749] [2021-10-13 07:27:47,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:27:47,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:27:47,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:27:47,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:27:47,641 INFO L87 Difference]: Start difference. First operand 141 states and 188 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:49,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:27:49,312 INFO L93 Difference]: Finished difference Result 687 states and 926 transitions. [2021-10-13 07:27:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:27:49,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-13 07:27:49,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:27:49,318 INFO L225 Difference]: With dead ends: 687 [2021-10-13 07:27:49,318 INFO L226 Difference]: Without dead ends: 553 [2021-10-13 07:27:49,319 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 67.9ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:27:49,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2021-10-13 07:27:49,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 251. [2021-10-13 07:27:49,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 1.32) internal successors, (330), 250 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:49,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 330 transitions. [2021-10-13 07:27:49,366 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 330 transitions. Word has length 35 [2021-10-13 07:27:49,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:27:49,367 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 330 transitions. [2021-10-13 07:27:49,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:49,367 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 330 transitions. [2021-10-13 07:27:49,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-13 07:27:49,368 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:27:49,369 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:27:49,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:27:49,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:27:49,582 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:27:49,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:27:49,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1199602114, now seen corresponding path program 1 times [2021-10-13 07:27:49,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:27:49,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090420046] [2021-10-13 07:27:49,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:49,583 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:27:49,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:27:49,583 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:27:49,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 07:27:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:49,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:27:49,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:50,092 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 07:27:50,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 07:27:50,370 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:27:50,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090420046] [2021-10-13 07:27:50,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2090420046] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:27:50,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [161184650] [2021-10-13 07:27:50,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:50,371 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:27:50,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:27:50,374 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:27:50,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-13 07:27:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:50,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:27:50,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:51,020 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:51,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:51,245 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:51,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [161184650] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:27:51,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696750191] [2021-10-13 07:27:51,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:51,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:27:51,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:27:51,248 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:27:51,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-13 07:27:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:51,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:27:51,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:51,804 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:51,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:51,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696750191] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:27:51,984 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:27:51,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2021-10-13 07:27:51,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318888997] [2021-10-13 07:27:51,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-13 07:27:51,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:27:51,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-13 07:27:51,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-13 07:27:51,987 INFO L87 Difference]: Start difference. First operand 251 states and 330 transitions. Second operand has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 14 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:28:02,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:28:02,745 INFO L93 Difference]: Finished difference Result 1905 states and 2626 transitions. [2021-10-13 07:28:02,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-13 07:28:02,746 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 14 states have internal predecessors, (178), 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 58 [2021-10-13 07:28:02,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:28:02,764 INFO L225 Difference]: With dead ends: 1905 [2021-10-13 07:28:02,764 INFO L226 Difference]: Without dead ends: 1661 [2021-10-13 07:28:02,768 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2485 ImplicationChecksByTransitivity, 1744.5ms TimeCoverageRelationStatistics Valid=1297, Invalid=5843, Unknown=0, NotChecked=0, Total=7140 [2021-10-13 07:28:02,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2021-10-13 07:28:02,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 392. [2021-10-13 07:28:02,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 391 states have (on average 1.3069053708439897) internal successors, (511), 391 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:28:02,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 511 transitions. [2021-10-13 07:28:02,840 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 511 transitions. Word has length 58 [2021-10-13 07:28:02,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:28:02,840 INFO L470 AbstractCegarLoop]: Abstraction has 392 states and 511 transitions. [2021-10-13 07:28:02,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 14 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:28:02,841 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 511 transitions. [2021-10-13 07:28:02,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-13 07:28:02,843 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:28:02,844 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:28:02,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:03,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:03,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:03,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:28:03,460 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:28:03,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:28:03,461 INFO L82 PathProgramCache]: Analyzing trace with hash 838978870, now seen corresponding path program 1 times [2021-10-13 07:28:03,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:28:03,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016993795] [2021-10-13 07:28:03,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:28:03,462 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:28:03,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:28:03,463 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:28:03,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 07:28:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:28:03,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:28:03,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:28:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 07:28:04,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:28:04,497 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 07:28:04,497 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:28:04,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016993795] [2021-10-13 07:28:04,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016993795] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:28:04,498 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:28:04,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:28:04,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908353084] [2021-10-13 07:28:04,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:28:04,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:28:04,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:28:04,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:28:04,499 INFO L87 Difference]: Start difference. First operand 392 states and 511 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:28:04,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:28:04,599 INFO L93 Difference]: Finished difference Result 581 states and 747 transitions. [2021-10-13 07:28:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:28:04,600 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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 103 [2021-10-13 07:28:04,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:28:04,601 INFO L225 Difference]: With dead ends: 581 [2021-10-13 07:28:04,601 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:28:04,602 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 58.8ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:28:04,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:28:04,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:28:04,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:28:04,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:28:04,603 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2021-10-13 07:28:04,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:28:04,603 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:28:04,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:28:04,604 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:28:04,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:28:04,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:28:04,608 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:28:04,608 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:28:04,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-13 07:28:04,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:28:04,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:28:04,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:04,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:05,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:09,094 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2021-10-13 07:28:09,094 INFO L860 garLoopResultBuilder]: At program point L531(lines 512 534) the Hoare annotation is: true [2021-10-13 07:28:09,094 INFO L857 garLoopResultBuilder]: For program point L268(lines 267 312) no Hoare annotation was computed. [2021-10-13 07:28:09,095 INFO L853 garLoopResultBuilder]: At program point L566(lines 561 569) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:09,095 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 273) no Hoare annotation was computed. [2021-10-13 07:28:09,096 INFO L853 garLoopResultBuilder]: At program point L71(lines 71 77) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-13 07:28:09,096 INFO L853 garLoopResultBuilder]: At program point L71-1(lines 71 77) the Hoare annotation is: false [2021-10-13 07:28:09,096 INFO L853 garLoopResultBuilder]: At program point L71-2(lines 71 77) the Hoare annotation is: false [2021-10-13 07:28:09,096 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 307) no Hoare annotation was computed. [2021-10-13 07:28:09,098 INFO L857 garLoopResultBuilder]: For program point L303-2(lines 297 308) no Hoare annotation was computed. [2021-10-13 07:28:09,098 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 981) no Hoare annotation was computed. [2021-10-13 07:28:09,098 INFO L853 garLoopResultBuilder]: At program point L964-1(lines 1 984) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9)) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse5))) [2021-10-13 07:28:09,098 INFO L857 garLoopResultBuilder]: For program point L964-2(lines 964 981) no Hoare annotation was computed. [2021-10-13 07:28:09,098 INFO L853 garLoopResultBuilder]: At program point L964-3(lines 1 984) the Hoare annotation is: false [2021-10-13 07:28:09,099 INFO L857 garLoopResultBuilder]: For program point L964-4(lines 964 981) no Hoare annotation was computed. [2021-10-13 07:28:09,099 INFO L853 garLoopResultBuilder]: At program point L964-5(lines 1 984) the Hoare annotation is: false [2021-10-13 07:28:09,099 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2021-10-13 07:28:09,099 INFO L857 garLoopResultBuilder]: For program point L406(lines 406 412) no Hoare annotation was computed. [2021-10-13 07:28:09,099 INFO L857 garLoopResultBuilder]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2021-10-13 07:28:09,100 INFO L857 garLoopResultBuilder]: For program point L406-2(lines 406 412) no Hoare annotation was computed. [2021-10-13 07:28:09,100 INFO L857 garLoopResultBuilder]: For program point L406-3(lines 406 412) no Hoare annotation was computed. [2021-10-13 07:28:09,101 INFO L857 garLoopResultBuilder]: For program point L406-4(lines 406 412) no Hoare annotation was computed. [2021-10-13 07:28:09,101 INFO L857 garLoopResultBuilder]: For program point L406-5(lines 406 412) no Hoare annotation was computed. [2021-10-13 07:28:09,101 INFO L853 garLoopResultBuilder]: At program point L175(lines 170 178) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-13 07:28:09,102 INFO L853 garLoopResultBuilder]: At program point L175-1(lines 170 178) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:09,103 INFO L853 garLoopResultBuilder]: At program point L175-2(lines 170 178) the Hoare annotation is: false [2021-10-13 07:28:09,103 INFO L853 garLoopResultBuilder]: At program point L175-3(lines 170 178) the Hoare annotation is: false [2021-10-13 07:28:09,106 INFO L853 garLoopResultBuilder]: At program point L175-4(lines 170 178) the Hoare annotation is: false [2021-10-13 07:28:09,106 INFO L853 garLoopResultBuilder]: At program point L175-5(lines 170 178) the Hoare annotation is: false [2021-10-13 07:28:09,106 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 978) no Hoare annotation was computed. [2021-10-13 07:28:09,106 INFO L857 garLoopResultBuilder]: For program point L968-2(lines 968 978) no Hoare annotation was computed. [2021-10-13 07:28:09,106 INFO L857 garLoopResultBuilder]: For program point L968-4(lines 968 978) no Hoare annotation was computed. [2021-10-13 07:28:09,107 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 345) no Hoare annotation was computed. [2021-10-13 07:28:09,107 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 975) no Hoare annotation was computed. [2021-10-13 07:28:09,107 INFO L857 garLoopResultBuilder]: For program point L969-2(lines 969 975) no Hoare annotation was computed. [2021-10-13 07:28:09,107 INFO L857 garLoopResultBuilder]: For program point L969-4(lines 969 975) no Hoare annotation was computed. [2021-10-13 07:28:09,107 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 247) no Hoare annotation was computed. [2021-10-13 07:28:09,108 INFO L857 garLoopResultBuilder]: For program point L243-2(lines 243 247) no Hoare annotation was computed. [2021-10-13 07:28:09,108 INFO L857 garLoopResultBuilder]: For program point L243-3(lines 243 247) no Hoare annotation was computed. [2021-10-13 07:28:09,108 INFO L857 garLoopResultBuilder]: For program point L243-5(lines 243 247) no Hoare annotation was computed. [2021-10-13 07:28:09,108 INFO L857 garLoopResultBuilder]: For program point L243-6(lines 243 247) no Hoare annotation was computed. [2021-10-13 07:28:09,108 INFO L857 garLoopResultBuilder]: For program point L243-8(lines 243 247) no Hoare annotation was computed. [2021-10-13 07:28:09,110 INFO L857 garLoopResultBuilder]: For program point L277(lines 277 283) no Hoare annotation was computed. [2021-10-13 07:28:09,110 INFO L853 garLoopResultBuilder]: At program point L277-1(lines 277 283) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-13 07:28:09,111 INFO L853 garLoopResultBuilder]: At program point L411(lines 402 415) the Hoare annotation is: false [2021-10-13 07:28:09,111 INFO L853 garLoopResultBuilder]: At program point L411-1(lines 402 415) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-13 07:28:09,111 INFO L853 garLoopResultBuilder]: At program point L411-2(lines 402 415) the Hoare annotation is: false [2021-10-13 07:28:09,111 INFO L853 garLoopResultBuilder]: At program point L411-3(lines 402 415) the Hoare annotation is: false [2021-10-13 07:28:09,111 INFO L853 garLoopResultBuilder]: At program point L411-4(lines 402 415) the Hoare annotation is: false [2021-10-13 07:28:09,112 INFO L853 garLoopResultBuilder]: At program point L411-5(lines 402 415) the Hoare annotation is: false [2021-10-13 07:28:09,112 INFO L853 garLoopResultBuilder]: At program point L313(lines 266 314) the Hoare annotation is: false [2021-10-13 07:28:09,112 INFO L853 garLoopResultBuilder]: At program point L446-2(lines 446 460) the Hoare annotation is: false [2021-10-13 07:28:09,112 INFO L857 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2021-10-13 07:28:09,112 INFO L853 garLoopResultBuilder]: At program point L249(lines 234 252) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~3 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-13 07:28:09,113 INFO L853 garLoopResultBuilder]: At program point L249-1(lines 234 252) the Hoare annotation is: false [2021-10-13 07:28:09,116 INFO L853 garLoopResultBuilder]: At program point L249-2(lines 234 252) the Hoare annotation is: false [2021-10-13 07:28:09,116 INFO L853 garLoopResultBuilder]: At program point L943(lines 938 945) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:09,116 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:28:09,116 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 454) no Hoare annotation was computed. [2021-10-13 07:28:09,117 INFO L857 garLoopResultBuilder]: For program point L450-1(lines 450 454) no Hoare annotation was computed. [2021-10-13 07:28:09,117 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 357) no Hoare annotation was computed. [2021-10-13 07:28:09,117 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 293) no Hoare annotation was computed. [2021-10-13 07:28:09,117 INFO L853 garLoopResultBuilder]: At program point L287-1(lines 287 293) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-13 07:28:09,118 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 139) no Hoare annotation was computed. [2021-10-13 07:28:09,118 INFO L857 garLoopResultBuilder]: For program point L122-1(lines 122 139) no Hoare annotation was computed. [2021-10-13 07:28:09,118 INFO L857 garLoopResultBuilder]: For program point L122-2(lines 122 139) no Hoare annotation was computed. [2021-10-13 07:28:09,118 INFO L853 garLoopResultBuilder]: At program point L421(lines 416 424) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-13 07:28:09,118 INFO L853 garLoopResultBuilder]: At program point L421-1(lines 416 424) the Hoare annotation is: false [2021-10-13 07:28:09,119 INFO L853 garLoopResultBuilder]: At program point L421-2(lines 416 424) the Hoare annotation is: false [2021-10-13 07:28:09,119 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:28:09,119 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 228) no Hoare annotation was computed. [2021-10-13 07:28:09,119 INFO L857 garLoopResultBuilder]: For program point L224-2(lines 224 228) no Hoare annotation was computed. [2021-10-13 07:28:09,120 INFO L857 garLoopResultBuilder]: For program point L224-3(lines 224 228) no Hoare annotation was computed. [2021-10-13 07:28:09,120 INFO L857 garLoopResultBuilder]: For program point L224-5(lines 224 228) no Hoare annotation was computed. [2021-10-13 07:28:09,120 INFO L857 garLoopResultBuilder]: For program point L224-6(lines 224 228) no Hoare annotation was computed. [2021-10-13 07:28:09,120 INFO L857 garLoopResultBuilder]: For program point L224-8(lines 224 228) no Hoare annotation was computed. [2021-10-13 07:28:09,121 INFO L857 garLoopResultBuilder]: For program point L224-9(lines 224 228) no Hoare annotation was computed. [2021-10-13 07:28:09,121 INFO L857 garLoopResultBuilder]: For program point L224-11(lines 224 228) no Hoare annotation was computed. [2021-10-13 07:28:09,121 INFO L857 garLoopResultBuilder]: For program point L224-12(lines 224 228) no Hoare annotation was computed. [2021-10-13 07:28:09,121 INFO L857 garLoopResultBuilder]: For program point L224-14(lines 224 228) no Hoare annotation was computed. [2021-10-13 07:28:09,121 INFO L857 garLoopResultBuilder]: For program point L224-15(lines 224 228) no Hoare annotation was computed. [2021-10-13 07:28:09,121 INFO L857 garLoopResultBuilder]: For program point L224-17(lines 224 228) no Hoare annotation was computed. [2021-10-13 07:28:09,122 INFO L857 garLoopResultBuilder]: For program point L522(lines 522 529) no Hoare annotation was computed. [2021-10-13 07:28:09,122 INFO L860 garLoopResultBuilder]: At program point L522-1(lines 522 529) the Hoare annotation is: true [2021-10-13 07:28:09,122 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 134) no Hoare annotation was computed. [2021-10-13 07:28:09,122 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 126 134) no Hoare annotation was computed. [2021-10-13 07:28:09,122 INFO L857 garLoopResultBuilder]: For program point L126-2(lines 126 134) no Hoare annotation was computed. [2021-10-13 07:28:09,122 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:28:09,123 INFO L853 garLoopResultBuilder]: At program point L953(lines 64 70) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)))) [2021-10-13 07:28:09,123 INFO L853 garLoopResultBuilder]: At program point L953-1(lines 64 70) the Hoare annotation is: false [2021-10-13 07:28:09,123 INFO L853 garLoopResultBuilder]: At program point L953-2(lines 64 70) the Hoare annotation is: false [2021-10-13 07:28:09,123 INFO L853 garLoopResultBuilder]: At program point L558(lines 1 984) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:09,123 INFO L857 garLoopResultBuilder]: For program point L96(lines 96 113) no Hoare annotation was computed. [2021-10-13 07:28:09,123 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 96 113) no Hoare annotation was computed. [2021-10-13 07:28:09,124 INFO L857 garLoopResultBuilder]: For program point L96-2(lines 96 113) no Hoare annotation was computed. [2021-10-13 07:28:09,125 INFO L857 garLoopResultBuilder]: For program point L96-3(lines 96 113) no Hoare annotation was computed. [2021-10-13 07:28:09,125 INFO L857 garLoopResultBuilder]: For program point L96-4(lines 96 113) no Hoare annotation was computed. [2021-10-13 07:28:09,125 INFO L857 garLoopResultBuilder]: For program point L96-5(lines 96 113) no Hoare annotation was computed. [2021-10-13 07:28:09,125 INFO L853 garLoopResultBuilder]: At program point L64(lines 60 82) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-13 07:28:09,125 INFO L853 garLoopResultBuilder]: At program point L64-1(lines 60 82) the Hoare annotation is: false [2021-10-13 07:28:09,126 INFO L853 garLoopResultBuilder]: At program point L64-2(lines 60 82) the Hoare annotation is: false [2021-10-13 07:28:09,126 INFO L853 garLoopResultBuilder]: At program point L494(lines 490 496) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:28:09,126 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 333) no Hoare annotation was computed. [2021-10-13 07:28:09,126 INFO L853 garLoopResultBuilder]: At program point L230(lines 215 233) the Hoare annotation is: false [2021-10-13 07:28:09,126 INFO L857 garLoopResultBuilder]: For program point L329-3(lines 329 333) no Hoare annotation was computed. [2021-10-13 07:28:09,127 INFO L853 garLoopResultBuilder]: At program point L230-1(lines 215 233) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-13 07:28:09,127 INFO L853 garLoopResultBuilder]: At program point L230-2(lines 215 233) the Hoare annotation is: false [2021-10-13 07:28:09,127 INFO L853 garLoopResultBuilder]: At program point L230-3(lines 215 233) the Hoare annotation is: false [2021-10-13 07:28:09,127 INFO L857 garLoopResultBuilder]: For program point L329-6(lines 329 333) no Hoare annotation was computed. [2021-10-13 07:28:09,127 INFO L853 garLoopResultBuilder]: At program point L230-4(lines 215 233) the Hoare annotation is: false [2021-10-13 07:28:09,127 INFO L853 garLoopResultBuilder]: At program point L230-5(lines 215 233) the Hoare annotation is: false [2021-10-13 07:28:09,128 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:28:09,128 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2021-10-13 07:28:09,128 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 308) no Hoare annotation was computed. [2021-10-13 07:28:09,128 INFO L857 garLoopResultBuilder]: For program point L430(line 430) no Hoare annotation was computed. [2021-10-13 07:28:09,128 INFO L857 garLoopResultBuilder]: For program point L430-1(line 430) no Hoare annotation was computed. [2021-10-13 07:28:09,129 INFO L857 garLoopResultBuilder]: For program point L430-2(line 430) no Hoare annotation was computed. [2021-10-13 07:28:09,129 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 108) no Hoare annotation was computed. [2021-10-13 07:28:09,129 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 100 108) no Hoare annotation was computed. [2021-10-13 07:28:09,129 INFO L857 garLoopResultBuilder]: For program point L100-2(lines 100 108) no Hoare annotation was computed. [2021-10-13 07:28:09,130 INFO L857 garLoopResultBuilder]: For program point L100-3(lines 100 108) no Hoare annotation was computed. [2021-10-13 07:28:09,130 INFO L857 garLoopResultBuilder]: For program point L100-4(lines 100 108) no Hoare annotation was computed. [2021-10-13 07:28:09,130 INFO L857 garLoopResultBuilder]: For program point L100-5(lines 100 108) no Hoare annotation was computed. [2021-10-13 07:28:09,130 INFO L853 garLoopResultBuilder]: At program point L398(lines 393 401) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-10-13 07:28:09,130 INFO L853 garLoopResultBuilder]: At program point L398-1(lines 393 401) the Hoare annotation is: false [2021-10-13 07:28:09,131 INFO L853 garLoopResultBuilder]: At program point L398-2(lines 393 401) the Hoare annotation is: false [2021-10-13 07:28:09,137 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:28:09,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:28:09 BoogieIcfgContainer [2021-10-13 07:28:09,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:28:09,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:28:09,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:28:09,206 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:28:09,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:27:40" (3/4) ... [2021-10-13 07:28:09,210 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:28:09,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:28:09,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:28:09,258 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:28:09,259 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:28:09,260 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:28:09,262 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:28:09,263 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:28:09,313 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:28:09,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:28:09,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) [2021-10-13 07:28:09,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:28:09,320 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:28:09,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-10-13 07:28:09,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:28:09,323 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:28:09,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && 1bv32 == \result [2021-10-13 07:28:09,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:28:09,419 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:28:09,419 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:28:09,421 INFO L168 Benchmark]: Toolchain (without parser) took 32587.85 ms. Allocated memory was 65.0 MB in the beginning and 107.0 MB in the end (delta: 41.9 MB). Free memory was 43.5 MB in the beginning and 29.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 55.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:09,422 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 65.0 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:28:09,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.55 ms. Allocated memory is still 65.0 MB. Free memory was 43.4 MB in the beginning and 34.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:09,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.76 ms. Allocated memory is still 65.0 MB. Free memory was 34.0 MB in the beginning and 30.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:09,424 INFO L168 Benchmark]: Boogie Preprocessor took 71.91 ms. Allocated memory is still 65.0 MB. Free memory was 30.2 MB in the beginning and 27.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:09,424 INFO L168 Benchmark]: RCFGBuilder took 2883.04 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 27.4 MB in the beginning and 63.2 MB in the end (delta: -35.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:09,425 INFO L168 Benchmark]: TraceAbstraction took 28625.30 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 62.7 MB in the beginning and 38.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 59.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:09,425 INFO L168 Benchmark]: Witness Printer took 214.45 ms. Allocated memory is still 107.0 MB. Free memory was 38.5 MB in the beginning and 29.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:09,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 65.0 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 703.55 ms. Allocated memory is still 65.0 MB. Free memory was 43.4 MB in the beginning and 34.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.76 ms. Allocated memory is still 65.0 MB. Free memory was 34.0 MB in the beginning and 30.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.91 ms. Allocated memory is still 65.0 MB. Free memory was 30.2 MB in the beginning and 27.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2883.04 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 27.4 MB in the beginning and 63.2 MB in the end (delta: -35.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 28625.30 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 62.7 MB in the beginning and 38.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 59.5 MB. Max. memory is 16.1 GB. * Witness Printer took 214.45 ms. Allocated memory is still 107.0 MB. Free memory was 38.5 MB in the beginning and 29.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 430]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 430]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 430]: 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, 126 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 28496.8ms, OverallIterations: 11, TraceHistogramMax: 4, EmptinessCheckTime: 35.6ms, AutomataDifference: 13209.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 4280.3ms, InitialAbstractionConstructionTime: 12.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1297 SDtfs, 3020 SDslu, 3650 SDs, 0 SdLazy, 933 SolverSat, 173 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10307.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1215 GetRequests, 1091 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2502 ImplicationChecksByTransitivity, 2016.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=392occurred in iteration=10, InterpolantAutomatonStates: 128, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 294.5ms AutomataMinimizationTime, 11 MinimizatonAttempts, 1896 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 127 NumberOfFragments, 569 HoareAnnotationTreeSize, 49 FomulaSimplifications, 261089 FormulaSimplificationTreeSizeReduction, 1095.6ms HoareSimplificationTime, 49 FomulaSimplificationsInter, 31753 FormulaSimplificationTreeSizeReductionInter, 3170.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 323.8ms SsaConstructionTime, 1645.8ms SatisfiabilityAnalysisTime, 3849.8ms InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1056 ConstructedInterpolants, 0 QuantifiedInterpolants, 1969 SizeOfPredicates, 26 NumberOfNonLiveVariables, 2921 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 290/314 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: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && 1bv32 == \result - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:28:09,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c923c473-fb18-48ad-a6ec-23ed7d42350d/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...