./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.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_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/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_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/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_087b28bc-11ab-414e-aed6-d7e582244ed5/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 118c87a61fbb1df2cb9a671e761c9c9d71205fb6 ............................................................................................................................................ 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_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/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_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/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_087b28bc-11ab-414e-aed6-d7e582244ed5/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 118c87a61fbb1df2cb9a671e761c9c9d71205fb6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 06:58:16,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:58:16,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:58:16,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:58:16,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:58:16,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:58:16,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:58:16,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:58:16,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:58:16,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:58:16,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:58:16,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:58:16,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:58:16,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:58:16,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:58:16,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:58:16,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:58:16,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:58:16,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:58:16,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:58:16,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:58:16,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:58:16,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:58:16,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:58:16,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:58:16,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:58:16,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:58:16,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:58:16,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:58:16,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:58:16,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:58:16,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:58:16,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:58:16,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:58:16,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:58:16,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:58:16,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:58:16,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:58:16,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:58:16,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:58:16,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:58:16,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:58:16,939 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:58:16,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:58:16,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:58:16,941 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:58:16,942 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:58:16,942 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:58:16,943 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:58:16,943 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:58:16,944 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:58:16,944 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:58:16,944 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:58:16,945 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:58:16,945 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:58:16,945 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:58:16,946 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:58:16,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:58:16,947 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:58:16,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:58:16,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:58:16,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:58:16,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:58:16,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:58:16,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:58:16,949 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:58:16,949 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:58:16,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:58:16,950 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:58:16,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:58:16,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:58:16,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:58:16,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:16,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:58:16,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:58:16,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:58:16,953 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:58:16,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:58:16,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:58:16,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:58:16,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:58:16,954 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_087b28bc-11ab-414e-aed6-d7e582244ed5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 118c87a61fbb1df2cb9a671e761c9c9d71205fb6 [2021-10-13 06:58:17,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:58:17,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:58:17,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:58:17,275 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:58:17,276 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:58:17,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-10-13 06:58:17,385 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/data/fd899ec10/9153feaa361e4106a19429555103f981/FLAG68b9089aa [2021-10-13 06:58:18,110 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:58:18,126 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-10-13 06:58:18,153 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/data/fd899ec10/9153feaa361e4106a19429555103f981/FLAG68b9089aa [2021-10-13 06:58:18,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/data/fd899ec10/9153feaa361e4106a19429555103f981 [2021-10-13 06:58:18,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:58:18,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:58:18,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:18,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:58:18,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:58:18,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:18" (1/1) ... [2021-10-13 06:58:18,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db22719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:18, skipping insertion in model container [2021-10-13 06:58:18,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:18" (1/1) ... [2021-10-13 06:58:18,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:58:18,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:18,686 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_087b28bc-11ab-414e-aed6-d7e582244ed5/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3321,3334] [2021-10-13 06:58:18,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:18,869 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 06:58:18,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4430bd0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:18, skipping insertion in model container [2021-10-13 06:58:18,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:18,871 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:58:18,874 INFO L168 Benchmark]: Toolchain (without parser) took 530.09 ms. Allocated memory was 79.7 MB in the beginning and 109.1 MB in the end (delta: 29.4 MB). Free memory was 44.6 MB in the beginning and 82.6 MB in the end (delta: -38.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:18,876 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory was 52.0 MB in the beginning and 52.0 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:58:18,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.97 ms. Allocated memory was 79.7 MB in the beginning and 109.1 MB in the end (delta: 29.4 MB). Free memory was 44.4 MB in the beginning and 82.9 MB in the end (delta: -38.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:18,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory was 52.0 MB in the beginning and 52.0 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 525.97 ms. Allocated memory was 79.7 MB in the beginning and 109.1 MB in the end (delta: 29.4 MB). Free memory was 44.4 MB in the beginning and 82.9 MB in the end (delta: -38.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 521]: 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 06:58:21,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:58:21,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:58:21,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:58:21,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:58:21,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:58:21,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:58:21,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:58:21,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:58:21,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:58:21,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:58:21,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:58:21,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:58:21,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:58:21,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:58:21,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:58:21,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:58:21,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:58:21,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:58:21,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:58:21,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:58:21,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:58:21,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:58:21,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:58:21,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:58:21,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:58:21,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:58:21,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:58:21,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:58:21,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:58:21,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:58:21,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:58:21,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:58:21,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:58:21,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:58:21,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:58:21,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:58:21,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:58:21,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:58:21,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:58:21,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:58:21,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 06:58:21,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:58:21,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:58:21,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:58:21,498 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:58:21,499 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:58:21,499 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:58:21,499 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:58:21,499 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:58:21,500 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:58:21,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:58:21,501 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:58:21,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:58:21,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:58:21,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:58:21,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:58:21,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:58:21,502 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:58:21,503 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:58:21,503 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:58:21,503 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:58:21,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:58:21,504 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:58:21,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:58:21,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:58:21,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:58:21,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:58:21,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:21,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:58:21,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:58:21,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:58:21,506 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:58:21,506 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:58:21,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:58:21,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:58:21,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:58:21,507 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_087b28bc-11ab-414e-aed6-d7e582244ed5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 118c87a61fbb1df2cb9a671e761c9c9d71205fb6 [2021-10-13 06:58:21,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:58:21,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:58:21,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:58:21,938 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:58:21,939 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:58:21,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-10-13 06:58:22,036 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/data/13e8810ea/13871cf65563491daea627c06e77e69f/FLAG245afa60f [2021-10-13 06:58:22,716 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:58:22,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-10-13 06:58:22,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/data/13e8810ea/13871cf65563491daea627c06e77e69f/FLAG245afa60f [2021-10-13 06:58:22,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/data/13e8810ea/13871cf65563491daea627c06e77e69f [2021-10-13 06:58:22,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:58:22,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:58:22,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:22,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:58:22,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:58:22,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:22" (1/1) ... [2021-10-13 06:58:22,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f949a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:22, skipping insertion in model container [2021-10-13 06:58:22,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:22" (1/1) ... [2021-10-13 06:58:22,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:58:23,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:23,364 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_087b28bc-11ab-414e-aed6-d7e582244ed5/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3321,3334] [2021-10-13 06:58:23,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:23,551 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 06:58:23,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:23,596 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_087b28bc-11ab-414e-aed6-d7e582244ed5/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3321,3334] [2021-10-13 06:58:23,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:23,661 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:58:23,707 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_087b28bc-11ab-414e-aed6-d7e582244ed5/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3321,3334] [2021-10-13 06:58:23,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:23,832 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:58:23,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:23 WrapperNode [2021-10-13 06:58:23,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:23,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:58:23,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:58:23,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:58:23,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:23" (1/1) ... [2021-10-13 06:58:23,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:23" (1/1) ... [2021-10-13 06:58:23,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:58:24,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:58:24,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:58:24,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:58:24,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:23" (1/1) ... [2021-10-13 06:58:24,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:23" (1/1) ... [2021-10-13 06:58:24,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:23" (1/1) ... [2021-10-13 06:58:24,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:23" (1/1) ... [2021-10-13 06:58:24,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:23" (1/1) ... [2021-10-13 06:58:24,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:23" (1/1) ... [2021-10-13 06:58:24,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:23" (1/1) ... [2021-10-13 06:58:24,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:58:24,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:58:24,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:58:24,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:58:24,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:23" (1/1) ... [2021-10-13 06:58:24,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:24,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:58:24,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:58:24,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:58:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:58:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 06:58:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:58:24,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:58:27,001 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:58:27,003 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-10-13 06:58:27,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:58:27 BoogieIcfgContainer [2021-10-13 06:58:27,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:58:27,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:58:27,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:58:27,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:58:27,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:58:22" (1/3) ... [2021-10-13 06:58:27,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76decf9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:58:27, skipping insertion in model container [2021-10-13 06:58:27,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:23" (2/3) ... [2021-10-13 06:58:27,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76decf9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:58:27, skipping insertion in model container [2021-10-13 06:58:27,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:58:27" (3/3) ... [2021-10-13 06:58:27,020 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2021-10-13 06:58:27,027 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:58:27,028 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 06:58:27,080 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:58:27,088 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 06:58:27,089 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 06:58:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 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 06:58:27,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 06:58:27,147 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:27,148 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:27,148 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 06:58:27,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:27,159 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2021-10-13 06:58:27,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:27,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [768925319] [2021-10-13 06:58:27,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:27,176 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:27,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:27,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:27,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 06:58:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:27,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 06:58:27,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:27,645 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 06:58:27,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:27,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:27,713 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:27,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [768925319] [2021-10-13 06:58:27,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [768925319] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:27,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:27,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 06:58:27,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110399496] [2021-10-13 06:58:27,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 06:58:27,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:27,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 06:58:27,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:58:27,742 INFO L87 Difference]: Start difference. First operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:27,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:27,784 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-10-13 06:58:27,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 06:58:27,786 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 06:58:27,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:27,800 INFO L225 Difference]: With dead ends: 268 [2021-10-13 06:58:27,800 INFO L226 Difference]: Without dead ends: 133 [2021-10-13 06:58:27,820 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 06:58:27,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-13 06:58:27,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-13 06:58:27,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 130 states have (on average 1.476923076923077) internal successors, (192), 132 states have internal predecessors, (192), 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 06:58:27,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-10-13 06:58:27,931 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-10-13 06:58:27,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:27,932 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-10-13 06:58:27,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:27,933 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-10-13 06:58:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 06:58:27,934 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:27,934 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:27,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:28,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:28,156 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 06:58:28,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:28,159 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2021-10-13 06:58:28,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:28,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1771735104] [2021-10-13 06:58:28,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:28,161 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:28,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:28,167 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:28,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 06:58:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:28,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:58:28,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:28,543 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 06:58:28,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:28,625 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 06:58:28,626 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:28,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1771735104] [2021-10-13 06:58:28,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1771735104] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:28,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:28,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 06:58:28,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817775500] [2021-10-13 06:58:28,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:58:28,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:28,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:58:28,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:58:28,644 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:28,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:28,673 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-10-13 06:58:28,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:58:28,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 06:58:28,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:28,677 INFO L225 Difference]: With dead ends: 133 [2021-10-13 06:58:28,677 INFO L226 Difference]: Without dead ends: 55 [2021-10-13 06:58:28,679 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:58:28,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-13 06:58:28,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-13 06:58:28,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 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 06:58:28,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-13 06:58:28,691 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-10-13 06:58:28,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:28,692 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-13 06:58:28,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:28,693 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-13 06:58:28,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 06:58:28,694 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:28,694 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:28,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:28,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:28,900 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 06:58:28,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:28,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2021-10-13 06:58:28,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:28,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256379127] [2021-10-13 06:58:28,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:28,903 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:28,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:28,904 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:28,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 06:58:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:29,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:58:29,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:29,290 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 06:58:29,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:29,407 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 06:58:29,408 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:29,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [256379127] [2021-10-13 06:58:29,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [256379127] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:29,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:29,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 06:58:29,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885243935] [2021-10-13 06:58:29,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:58:29,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:29,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:58:29,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:58:29,416 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:29,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:29,483 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2021-10-13 06:58:29,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:58:29,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 06:58:29,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:29,486 INFO L225 Difference]: With dead ends: 176 [2021-10-13 06:58:29,486 INFO L226 Difference]: Without dead ends: 127 [2021-10-13 06:58:29,487 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:58:29,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-13 06:58:29,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2021-10-13 06:58:29,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4794520547945205) internal successors, (108), 73 states have internal predecessors, (108), 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 06:58:29,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2021-10-13 06:58:29,508 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2021-10-13 06:58:29,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:29,509 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2021-10-13 06:58:29,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:29,510 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-10-13 06:58:29,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 06:58:29,511 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:29,511 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] [2021-10-13 06:58:29,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:29,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:29,728 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 06:58:29,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:29,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2021-10-13 06:58:29,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:29,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [838782765] [2021-10-13 06:58:29,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:29,730 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:29,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:29,732 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:29,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 06:58:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:29,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:58:29,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:30,061 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 06:58:30,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:30,141 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 06:58:30,142 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:30,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [838782765] [2021-10-13 06:58:30,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [838782765] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:30,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:30,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:58:30,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994590591] [2021-10-13 06:58:30,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:58:30,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:30,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:58:30,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:58:30,146 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 06:58:30,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:30,220 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2021-10-13 06:58:30,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:58:30,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 06:58:30,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:30,223 INFO L225 Difference]: With dead ends: 163 [2021-10-13 06:58:30,223 INFO L226 Difference]: Without dead ends: 95 [2021-10-13 06:58:30,224 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:58:30,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-13 06:58:30,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2021-10-13 06:58:30,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.434782608695652) internal successors, (132), 92 states have internal predecessors, (132), 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 06:58:30,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2021-10-13 06:58:30,241 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2021-10-13 06:58:30,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:30,242 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2021-10-13 06:58:30,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 06:58:30,242 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2021-10-13 06:58:30,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 06:58:30,244 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:30,244 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:30,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:30,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:30,458 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 06:58:30,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:30,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2021-10-13 06:58:30,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:30,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76128286] [2021-10-13 06:58:30,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:30,467 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:30,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:30,469 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:30,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 06:58:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:30,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:58:30,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:30,856 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 06:58:30,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:30,959 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 06:58:30,959 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:30,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76128286] [2021-10-13 06:58:30,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [76128286] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:30,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:30,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 06:58:30,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542292994] [2021-10-13 06:58:30,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:58:30,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:30,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:58:30,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:58:30,964 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:31,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:31,159 INFO L93 Difference]: Finished difference Result 477 states and 692 transitions. [2021-10-13 06:58:31,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 06:58:31,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 06:58:31,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:31,164 INFO L225 Difference]: With dead ends: 477 [2021-10-13 06:58:31,164 INFO L226 Difference]: Without dead ends: 390 [2021-10-13 06:58:31,165 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 51.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:58:31,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2021-10-13 06:58:31,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 172. [2021-10-13 06:58:31,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.4152046783625731) internal successors, (242), 171 states have internal predecessors, (242), 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 06:58:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 242 transitions. [2021-10-13 06:58:31,199 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 242 transitions. Word has length 25 [2021-10-13 06:58:31,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:31,200 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 242 transitions. [2021-10-13 06:58:31,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:31,201 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 242 transitions. [2021-10-13 06:58:31,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 06:58:31,202 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:31,203 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 06:58:31,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:31,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:31,422 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 06:58:31,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:31,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1188091424, now seen corresponding path program 1 times [2021-10-13 06:58:31,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:31,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478329016] [2021-10-13 06:58:31,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:31,423 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:31,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:31,425 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:31,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 06:58:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:31,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:58:31,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:31,793 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 06:58:31,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:31,873 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 06:58:31,873 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:31,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478329016] [2021-10-13 06:58:31,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1478329016] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:31,875 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:31,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 06:58:31,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118688520] [2021-10-13 06:58:31,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:58:31,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:31,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:58:31,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:58:31,880 INFO L87 Difference]: Start difference. First operand 172 states and 242 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 06:58:32,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:32,093 INFO L93 Difference]: Finished difference Result 490 states and 693 transitions. [2021-10-13 06:58:32,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 06:58:32,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 06:58:32,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:32,098 INFO L225 Difference]: With dead ends: 490 [2021-10-13 06:58:32,098 INFO L226 Difference]: Without dead ends: 488 [2021-10-13 06:58:32,099 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 53.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:58:32,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2021-10-13 06:58:32,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 172. [2021-10-13 06:58:32,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.4035087719298245) internal successors, (240), 171 states have internal predecessors, (240), 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 06:58:32,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 240 transitions. [2021-10-13 06:58:32,144 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 240 transitions. Word has length 26 [2021-10-13 06:58:32,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:32,145 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 240 transitions. [2021-10-13 06:58:32,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 06:58:32,147 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 240 transitions. [2021-10-13 06:58:32,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 06:58:32,155 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:32,156 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 06:58:32,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:32,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:32,371 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 06:58:32,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:32,371 INFO L82 PathProgramCache]: Analyzing trace with hash 770731220, now seen corresponding path program 1 times [2021-10-13 06:58:32,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:32,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485535503] [2021-10-13 06:58:32,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:32,373 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:32,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:32,377 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:32,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 06:58:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:32,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:58:32,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:32,798 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 06:58:32,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:32,888 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 06:58:32,888 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:32,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485535503] [2021-10-13 06:58:32,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485535503] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:32,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:32,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 06:58:32,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937146020] [2021-10-13 06:58:32,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:58:32,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:32,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:58:32,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:58:32,893 INFO L87 Difference]: Start difference. First operand 172 states and 240 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 06:58:33,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:33,024 INFO L93 Difference]: Finished difference Result 500 states and 692 transitions. [2021-10-13 06:58:33,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:58:33,025 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 06:58:33,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:33,028 INFO L225 Difference]: With dead ends: 500 [2021-10-13 06:58:33,028 INFO L226 Difference]: Without dead ends: 334 [2021-10-13 06:58:33,030 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:58:33,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2021-10-13 06:58:33,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 184. [2021-10-13 06:58:33,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.3770491803278688) internal successors, (252), 183 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:33,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 252 transitions. [2021-10-13 06:58:33,064 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 252 transitions. Word has length 34 [2021-10-13 06:58:33,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:33,066 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 252 transitions. [2021-10-13 06:58:33,066 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 06:58:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 252 transitions. [2021-10-13 06:58:33,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 06:58:33,072 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:33,072 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 06:58:33,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:33,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:33,288 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 06:58:33,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:33,289 INFO L82 PathProgramCache]: Analyzing trace with hash 183925206, now seen corresponding path program 1 times [2021-10-13 06:58:33,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:33,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1089839582] [2021-10-13 06:58:33,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:33,291 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:33,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:33,292 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:33,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 06:58:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:33,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:58:33,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:33,692 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 06:58:33,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:33,779 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 06:58:33,780 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:33,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1089839582] [2021-10-13 06:58:33,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1089839582] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:33,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:33,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 06:58:33,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252530955] [2021-10-13 06:58:33,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:58:33,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:33,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:58:33,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:58:33,787 INFO L87 Difference]: Start difference. First operand 184 states and 252 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 06:58:33,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:33,905 INFO L93 Difference]: Finished difference Result 534 states and 726 transitions. [2021-10-13 06:58:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:58:33,905 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 06:58:33,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:33,909 INFO L225 Difference]: With dead ends: 534 [2021-10-13 06:58:33,909 INFO L226 Difference]: Without dead ends: 356 [2021-10-13 06:58:33,911 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 26.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:58:33,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-10-13 06:58:33,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 192. [2021-10-13 06:58:33,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 1.361256544502618) internal successors, (260), 191 states have internal predecessors, (260), 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 06:58:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 260 transitions. [2021-10-13 06:58:33,946 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 260 transitions. Word has length 34 [2021-10-13 06:58:33,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:33,946 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 260 transitions. [2021-10-13 06:58:33,947 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 06:58:33,947 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 260 transitions. [2021-10-13 06:58:33,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 06:58:33,948 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:33,948 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 06:58:33,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:34,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:34,164 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 06:58:34,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:34,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1095938472, now seen corresponding path program 1 times [2021-10-13 06:58:34,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:34,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924841965] [2021-10-13 06:58:34,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:34,165 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:34,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:34,166 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:34,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 06:58:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:34,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:58:34,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:34,543 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 06:58:34,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:34,663 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 06:58:34,663 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:34,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924841965] [2021-10-13 06:58:34,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924841965] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:34,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:34,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 06:58:34,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092392737] [2021-10-13 06:58:34,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:58:34,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:34,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:58:34,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:58:34,665 INFO L87 Difference]: Start difference. First operand 192 states and 260 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 06:58:34,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:34,777 INFO L93 Difference]: Finished difference Result 612 states and 832 transitions. [2021-10-13 06:58:34,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:58:34,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 06:58:34,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:34,781 INFO L225 Difference]: With dead ends: 612 [2021-10-13 06:58:34,781 INFO L226 Difference]: Without dead ends: 426 [2021-10-13 06:58:34,782 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:58:34,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2021-10-13 06:58:34,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 336. [2021-10-13 06:58:34,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 335 states have (on average 1.346268656716418) internal successors, (451), 335 states have internal predecessors, (451), 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 06:58:34,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 451 transitions. [2021-10-13 06:58:34,835 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 451 transitions. Word has length 34 [2021-10-13 06:58:34,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:34,835 INFO L470 AbstractCegarLoop]: Abstraction has 336 states and 451 transitions. [2021-10-13 06:58:34,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 06:58:34,836 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 451 transitions. [2021-10-13 06:58:34,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 06:58:34,838 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:34,839 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 06:58:34,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:35,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:35,055 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 06:58:35,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:35,056 INFO L82 PathProgramCache]: Analyzing trace with hash 420497238, now seen corresponding path program 1 times [2021-10-13 06:58:35,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:35,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774345398] [2021-10-13 06:58:35,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:35,056 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:35,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:35,057 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:35,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 06:58:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:35,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 06:58:35,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:35,506 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 06:58:35,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:35,661 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 06:58:35,661 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:35,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774345398] [2021-10-13 06:58:35,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774345398] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:35,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:35,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-13 06:58:35,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425552874] [2021-10-13 06:58:35,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 06:58:35,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:35,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 06:58:35,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:58:35,663 INFO L87 Difference]: Start difference. First operand 336 states and 451 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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 06:58:38,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:38,960 INFO L93 Difference]: Finished difference Result 1402 states and 1860 transitions. [2021-10-13 06:58:38,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-13 06:58:38,960 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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 06:58:38,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:38,968 INFO L225 Difference]: With dead ends: 1402 [2021-10-13 06:58:38,968 INFO L226 Difference]: Without dead ends: 1072 [2021-10-13 06:58:38,969 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 180.6ms TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2021-10-13 06:58:38,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2021-10-13 06:58:39,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 336. [2021-10-13 06:58:39,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 335 states have (on average 1.3223880597014925) internal successors, (443), 335 states have internal predecessors, (443), 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 06:58:39,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 443 transitions. [2021-10-13 06:58:39,050 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 443 transitions. Word has length 35 [2021-10-13 06:58:39,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:39,050 INFO L470 AbstractCegarLoop]: Abstraction has 336 states and 443 transitions. [2021-10-13 06:58:39,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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 06:58:39,051 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 443 transitions. [2021-10-13 06:58:39,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-13 06:58:39,052 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:39,053 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:39,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:39,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:39,269 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 06:58:39,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:39,269 INFO L82 PathProgramCache]: Analyzing trace with hash 507471461, now seen corresponding path program 1 times [2021-10-13 06:58:39,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:39,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199261368] [2021-10-13 06:58:39,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:39,270 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:39,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:39,271 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:39,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 06:58:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:39,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 06:58:39,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:39,944 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:58:39,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:40,239 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:58:40,239 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:40,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199261368] [2021-10-13 06:58:40,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199261368] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:58:40,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [478043157] [2021-10-13 06:58:40,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:40,240 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 06:58:40,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 06:58:40,243 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 06:58:40,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-13 06:58:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:40,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 06:58:40,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:58:41,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:41,357 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:58:41,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [478043157] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:58:41,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675951405] [2021-10-13 06:58:41,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:41,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 06:58:41,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:58:41,360 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 06:58:41,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-13 06:58:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:41,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 06:58:41,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:58:42,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:58:42,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675951405] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:58:42,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 06:58:42,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2021-10-13 06:58:42,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175714026] [2021-10-13 06:58:42,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 06:58:42,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:42,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 06:58:42,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:58:42,275 INFO L87 Difference]: Start difference. First operand 336 states and 443 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 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 06:58:44,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:44,885 INFO L93 Difference]: Finished difference Result 3631 states and 4788 transitions. [2021-10-13 06:58:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-13 06:58:44,886 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 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 56 [2021-10-13 06:58:44,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:44,907 INFO L225 Difference]: With dead ends: 3631 [2021-10-13 06:58:44,908 INFO L226 Difference]: Without dead ends: 3301 [2021-10-13 06:58:44,909 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 220.5ms TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-10-13 06:58:44,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3301 states. [2021-10-13 06:58:45,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3301 to 881. [2021-10-13 06:58:45,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 880 states have (on average 1.3420454545454545) internal successors, (1181), 880 states have internal predecessors, (1181), 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 06:58:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1181 transitions. [2021-10-13 06:58:45,094 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1181 transitions. Word has length 56 [2021-10-13 06:58:45,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:45,094 INFO L470 AbstractCegarLoop]: Abstraction has 881 states and 1181 transitions. [2021-10-13 06:58:45,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 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 06:58:45,095 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1181 transitions. [2021-10-13 06:58:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-13 06:58:45,096 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:45,096 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:45,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:45,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:45,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-10-13 06:58:45,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:45,723 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:45,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:45,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1208536039, now seen corresponding path program 1 times [2021-10-13 06:58:45,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:45,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647729124] [2021-10-13 06:58:45,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:45,725 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:45,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:45,726 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:45,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-13 06:58:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:46,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:58:46,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:46,366 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 06:58:46,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:46,544 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 06:58:46,544 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:46,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647729124] [2021-10-13 06:58:46,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647729124] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:46,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:46,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 06:58:46,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813682592] [2021-10-13 06:58:46,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 06:58:46,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:46,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 06:58:46,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:58:46,548 INFO L87 Difference]: Start difference. First operand 881 states and 1181 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:46,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:46,731 INFO L93 Difference]: Finished difference Result 1447 states and 1900 transitions. [2021-10-13 06:58:46,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:58:46,732 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-13 06:58:46,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:46,734 INFO L225 Difference]: With dead ends: 1447 [2021-10-13 06:58:46,734 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 06:58:46,736 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 62.7ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:58:46,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 06:58:46,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 06:58:46,737 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 06:58:46,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 06:58:46,738 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-13 06:58:46,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:46,739 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 06:58:46,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:46,739 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 06:58:46,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 06:58:46,742 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:58:46,743 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:58:46,744 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:58:46,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:46,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:46,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 06:58:46,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:49,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:50,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:50,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:50,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:50,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:50,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:50,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:50,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:50,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:50,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:50,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:50,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:50,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:50,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:50,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:50,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:59:04,031 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-10-13 06:59:04,031 INFO L853 garLoopResultBuilder]: At program point L399(lines 394 402) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3 .cse4))) [2021-10-13 06:59:04,032 INFO L853 garLoopResultBuilder]: At program point L399-1(lines 394 402) the Hoare annotation is: false [2021-10-13 06:59:04,032 INFO L853 garLoopResultBuilder]: At program point L399-2(lines 394 402) the Hoare annotation is: false [2021-10-13 06:59:04,032 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-10-13 06:59:04,032 INFO L857 garLoopResultBuilder]: For program point L467-2(lines 467 471) no Hoare annotation was computed. [2021-10-13 06:59:04,033 INFO L857 garLoopResultBuilder]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2021-10-13 06:59:04,033 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 319) no Hoare annotation was computed. [2021-10-13 06:59:04,033 INFO L857 garLoopResultBuilder]: For program point L467-5(lines 467 471) no Hoare annotation was computed. [2021-10-13 06:59:04,033 INFO L857 garLoopResultBuilder]: For program point L302-1(lines 302 319) no Hoare annotation was computed. [2021-10-13 06:59:04,033 INFO L857 garLoopResultBuilder]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2021-10-13 06:59:04,033 INFO L857 garLoopResultBuilder]: For program point L302-2(lines 302 319) no Hoare annotation was computed. [2021-10-13 06:59:04,034 INFO L857 garLoopResultBuilder]: For program point L302-3(lines 302 319) no Hoare annotation was computed. [2021-10-13 06:59:04,034 INFO L857 garLoopResultBuilder]: For program point L467-8(lines 467 471) no Hoare annotation was computed. [2021-10-13 06:59:04,034 INFO L857 garLoopResultBuilder]: For program point L302-4(lines 302 319) no Hoare annotation was computed. [2021-10-13 06:59:04,034 INFO L857 garLoopResultBuilder]: For program point L302-5(lines 302 319) no Hoare annotation was computed. [2021-10-13 06:59:04,034 INFO L853 garLoopResultBuilder]: At program point L270(lines 269 288) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5) (and .cse0 .cse1 .cse2 .cse5) (and .cse0 .cse2 .cse6 .cse3) (and .cse0 .cse4 .cse6 .cse5) (and .cse0 .cse2 .cse6 .cse5))) [2021-10-13 06:59:04,034 INFO L857 garLoopResultBuilder]: For program point L270-1(lines 270 276) no Hoare annotation was computed. [2021-10-13 06:59:04,035 INFO L857 garLoopResultBuilder]: For program point L204(lines 203 250) no Hoare annotation was computed. [2021-10-13 06:59:04,035 INFO L853 garLoopResultBuilder]: At program point L270-2(lines 269 288) the Hoare annotation is: false [2021-10-13 06:59:04,035 INFO L853 garLoopResultBuilder]: At program point L270-3(lines 269 288) the Hoare annotation is: false [2021-10-13 06:59:04,035 INFO L853 garLoopResultBuilder]: At program point L138(lines 129 142) the Hoare annotation is: false [2021-10-13 06:59:04,035 INFO L853 garLoopResultBuilder]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse7 .cse3 .cse4) (and .cse0 .cse6 .cse7 .cse5 .cse3 .cse4))) [2021-10-13 06:59:04,036 INFO L853 garLoopResultBuilder]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2021-10-13 06:59:04,036 INFO L853 garLoopResultBuilder]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2021-10-13 06:59:04,036 INFO L853 garLoopResultBuilder]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2021-10-13 06:59:04,036 INFO L853 garLoopResultBuilder]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2021-10-13 06:59:04,037 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 209) no Hoare annotation was computed. [2021-10-13 06:59:04,037 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 245) no Hoare annotation was computed. [2021-10-13 06:59:04,037 INFO L853 garLoopResultBuilder]: At program point L239-1(lines 270 276) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse6))) [2021-10-13 06:59:04,037 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 314) no Hoare annotation was computed. [2021-10-13 06:59:04,037 INFO L857 garLoopResultBuilder]: For program point L306-1(lines 306 314) no Hoare annotation was computed. [2021-10-13 06:59:04,038 INFO L857 garLoopResultBuilder]: For program point L306-2(lines 306 314) no Hoare annotation was computed. [2021-10-13 06:59:04,038 INFO L857 garLoopResultBuilder]: For program point L306-3(lines 306 314) no Hoare annotation was computed. [2021-10-13 06:59:04,038 INFO L857 garLoopResultBuilder]: For program point L306-4(lines 306 314) no Hoare annotation was computed. [2021-10-13 06:59:04,038 INFO L857 garLoopResultBuilder]: For program point L306-5(lines 306 314) no Hoare annotation was computed. [2021-10-13 06:59:04,038 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-10-13 06:59:04,039 INFO L853 garLoopResultBuilder]: At program point L473(lines 458 476) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse3 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse6) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-13 06:59:04,039 INFO L853 garLoopResultBuilder]: At program point L473-1(lines 458 476) the Hoare annotation is: false [2021-10-13 06:59:04,039 INFO L853 garLoopResultBuilder]: At program point L473-2(lines 458 476) the Hoare annotation is: false [2021-10-13 06:59:04,039 INFO L853 garLoopResultBuilder]: At program point L277(lines 277 283) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-13 06:59:04,040 INFO L853 garLoopResultBuilder]: At program point L277-1(lines 277 283) the Hoare annotation is: false [2021-10-13 06:59:04,040 INFO L853 garLoopResultBuilder]: At program point L277-2(lines 277 283) the Hoare annotation is: false [2021-10-13 06:59:04,040 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 84) no Hoare annotation was computed. [2021-10-13 06:59:04,040 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2021-10-13 06:59:04,040 INFO L853 garLoopResultBuilder]: At program point L213-1(lines 213 219) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse6 .cse7 .cse4) (and .cse0 .cse6 .cse8 .cse9 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse7 .cse3) (and .cse0 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse8 .cse9 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse7 .cse4))) [2021-10-13 06:59:04,041 INFO L853 garLoopResultBuilder]: At program point L148(lines 143 151) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse3))) [2021-10-13 06:59:04,041 INFO L853 garLoopResultBuilder]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2021-10-13 06:59:04,041 INFO L853 garLoopResultBuilder]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2021-10-13 06:59:04,041 INFO L853 garLoopResultBuilder]: At program point L908-2(lines 908 922) the Hoare annotation is: false [2021-10-13 06:59:04,042 INFO L857 garLoopResultBuilder]: For program point L909(line 909) no Hoare annotation was computed. [2021-10-13 06:59:04,042 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 487) no Hoare annotation was computed. [2021-10-13 06:59:04,042 INFO L853 garLoopResultBuilder]: At program point L481-1(lines 481 487) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3))) [2021-10-13 06:59:04,042 INFO L857 garLoopResultBuilder]: For program point L448(lines 448 452) no Hoare annotation was computed. [2021-10-13 06:59:04,042 INFO L857 garLoopResultBuilder]: For program point L448-2(lines 448 452) no Hoare annotation was computed. [2021-10-13 06:59:04,043 INFO L857 garLoopResultBuilder]: For program point L448-3(lines 448 452) no Hoare annotation was computed. [2021-10-13 06:59:04,043 INFO L857 garLoopResultBuilder]: For program point L448-5(lines 448 452) no Hoare annotation was computed. [2021-10-13 06:59:04,043 INFO L857 garLoopResultBuilder]: For program point L448-6(lines 448 452) no Hoare annotation was computed. [2021-10-13 06:59:04,043 INFO L857 garLoopResultBuilder]: For program point L448-8(lines 448 452) no Hoare annotation was computed. [2021-10-13 06:59:04,043 INFO L857 garLoopResultBuilder]: For program point L448-9(lines 448 452) no Hoare annotation was computed. [2021-10-13 06:59:04,044 INFO L857 garLoopResultBuilder]: For program point L448-11(lines 448 452) no Hoare annotation was computed. [2021-10-13 06:59:04,044 INFO L857 garLoopResultBuilder]: For program point L448-12(lines 448 452) no Hoare annotation was computed. [2021-10-13 06:59:04,044 INFO L857 garLoopResultBuilder]: For program point L448-14(lines 448 452) no Hoare annotation was computed. [2021-10-13 06:59:04,044 INFO L857 garLoopResultBuilder]: For program point L448-15(lines 448 452) no Hoare annotation was computed. [2021-10-13 06:59:04,044 INFO L857 garLoopResultBuilder]: For program point L448-17(lines 448 452) no Hoare annotation was computed. [2021-10-13 06:59:04,045 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 06:59:04,045 INFO L853 garLoopResultBuilder]: At program point L251(lines 202 252) the Hoare annotation is: false [2021-10-13 06:59:04,045 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-13 06:59:04,045 INFO L857 garLoopResultBuilder]: For program point L185-1(line 185) no Hoare annotation was computed. [2021-10-13 06:59:04,045 INFO L857 garLoopResultBuilder]: For program point L185-2(line 185) no Hoare annotation was computed. [2021-10-13 06:59:04,046 INFO L857 garLoopResultBuilder]: For program point L912(lines 912 916) no Hoare annotation was computed. [2021-10-13 06:59:04,046 INFO L857 garLoopResultBuilder]: For program point L912-1(lines 270 276) no Hoare annotation was computed. [2021-10-13 06:59:04,046 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 986) no Hoare annotation was computed. [2021-10-13 06:59:04,046 INFO L860 garLoopResultBuilder]: At program point L979-1(lines 979 986) the Hoare annotation is: true [2021-10-13 06:59:04,046 INFO L857 garLoopResultBuilder]: For program point L56(lines 56 60) no Hoare annotation was computed. [2021-10-13 06:59:04,047 INFO L857 garLoopResultBuilder]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2021-10-13 06:59:04,047 INFO L857 garLoopResultBuilder]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2021-10-13 06:59:04,047 INFO L853 garLoopResultBuilder]: At program point L454(lines 439 457) the Hoare annotation is: false [2021-10-13 06:59:04,047 INFO L853 garLoopResultBuilder]: At program point L454-1(lines 439 457) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse7 .cse8 .cse5 .cse3 .cse9 .cse4) (and .cse0 .cse6 .cse2 .cse7 .cse8 .cse3 .cse9 .cse4))) [2021-10-13 06:59:04,048 INFO L853 garLoopResultBuilder]: At program point L454-2(lines 439 457) the Hoare annotation is: false [2021-10-13 06:59:04,048 INFO L853 garLoopResultBuilder]: At program point L454-3(lines 439 457) the Hoare annotation is: false [2021-10-13 06:59:04,048 INFO L853 garLoopResultBuilder]: At program point L454-4(lines 439 457) the Hoare annotation is: false [2021-10-13 06:59:04,048 INFO L853 garLoopResultBuilder]: At program point L454-5(lines 439 457) the Hoare annotation is: false [2021-10-13 06:59:04,048 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 06:59:04,049 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 229) no Hoare annotation was computed. [2021-10-13 06:59:04,049 INFO L853 garLoopResultBuilder]: At program point L223-1(lines 223 229) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse6))) [2021-10-13 06:59:04,049 INFO L853 garLoopResultBuilder]: At program point L884(lines 1 991) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:59:04,049 INFO L853 garLoopResultBuilder]: At program point L390(lines 383 393) the Hoare annotation is: false [2021-10-13 06:59:04,049 INFO L853 garLoopResultBuilder]: At program point L390-1(lines 383 393) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3))) [2021-10-13 06:59:04,050 INFO L853 garLoopResultBuilder]: At program point L390-2(lines 383 393) the Hoare annotation is: false [2021-10-13 06:59:04,050 INFO L853 garLoopResultBuilder]: At program point L390-3(lines 383 393) the Hoare annotation is: false [2021-10-13 06:59:04,050 INFO L853 garLoopResultBuilder]: At program point L390-4(lines 383 393) the Hoare annotation is: false [2021-10-13 06:59:04,050 INFO L853 garLoopResultBuilder]: At program point L390-5(lines 383 393) the Hoare annotation is: false [2021-10-13 06:59:04,050 INFO L853 garLoopResultBuilder]: At program point L93(lines 88 96) the Hoare annotation is: false [2021-10-13 06:59:04,051 INFO L853 garLoopResultBuilder]: At program point L93-1(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3))) [2021-10-13 06:59:04,051 INFO L853 garLoopResultBuilder]: At program point L93-2(lines 88 96) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse5 .cse6 .cse4) (and .cse0 .cse7 .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 .cse7 .cse1 .cse2 .cse4) (and .cse0 .cse7 .cse5 .cse6 .cse4))) [2021-10-13 06:59:04,051 INFO L853 garLoopResultBuilder]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2021-10-13 06:59:04,051 INFO L853 garLoopResultBuilder]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2021-10-13 06:59:04,052 INFO L853 garLoopResultBuilder]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2021-10-13 06:59:04,052 INFO L853 garLoopResultBuilder]: At program point L93-6(lines 88 96) the Hoare annotation is: false [2021-10-13 06:59:04,052 INFO L853 garLoopResultBuilder]: At program point L93-7(lines 88 96) the Hoare annotation is: false [2021-10-13 06:59:04,052 INFO L853 garLoopResultBuilder]: At program point L93-8(lines 88 96) the Hoare annotation is: false [2021-10-13 06:59:04,052 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 06:59:04,052 INFO L860 garLoopResultBuilder]: At program point L988(lines 969 991) the Hoare annotation is: true [2021-10-13 06:59:04,053 INFO L857 garLoopResultBuilder]: For program point L328(lines 328 345) no Hoare annotation was computed. [2021-10-13 06:59:04,053 INFO L857 garLoopResultBuilder]: For program point L328-1(lines 328 345) no Hoare annotation was computed. [2021-10-13 06:59:04,053 INFO L857 garLoopResultBuilder]: For program point L328-2(lines 328 345) no Hoare annotation was computed. [2021-10-13 06:59:04,053 INFO L857 garLoopResultBuilder]: For program point L163(lines 163 176) no Hoare annotation was computed. [2021-10-13 06:59:04,053 INFO L853 garLoopResultBuilder]: At program point L163-1(lines 1 991) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse6 .cse7 .cse4) (and .cse0 .cse6 .cse8 .cse9 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse7 .cse3) (and .cse0 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse8 .cse9 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse7 .cse4))) [2021-10-13 06:59:04,054 INFO L857 garLoopResultBuilder]: For program point L163-2(lines 163 176) no Hoare annotation was computed. [2021-10-13 06:59:04,054 INFO L853 garLoopResultBuilder]: At program point L163-3(lines 1 991) the Hoare annotation is: false [2021-10-13 06:59:04,054 INFO L857 garLoopResultBuilder]: For program point L163-4(lines 163 176) no Hoare annotation was computed. [2021-10-13 06:59:04,054 INFO L853 garLoopResultBuilder]: At program point L163-5(lines 1 991) the Hoare annotation is: false [2021-10-13 06:59:04,054 INFO L853 garLoopResultBuilder]: At program point L956(lines 952 958) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:59:04,055 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 06:59:04,055 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-10-13 06:59:04,055 INFO L853 garLoopResultBuilder]: At program point L892(lines 887 895) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:59:04,055 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 139) no Hoare annotation was computed. [2021-10-13 06:59:04,056 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2021-10-13 06:59:04,056 INFO L857 garLoopResultBuilder]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2021-10-13 06:59:04,056 INFO L857 garLoopResultBuilder]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2021-10-13 06:59:04,056 INFO L857 garLoopResultBuilder]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2021-10-13 06:59:04,056 INFO L857 garLoopResultBuilder]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2021-10-13 06:59:04,056 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 371) no Hoare annotation was computed. [2021-10-13 06:59:04,057 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 340) no Hoare annotation was computed. [2021-10-13 06:59:04,057 INFO L857 garLoopResultBuilder]: For program point L365-2(lines 365 371) no Hoare annotation was computed. [2021-10-13 06:59:04,057 INFO L857 garLoopResultBuilder]: For program point L332-1(lines 332 340) no Hoare annotation was computed. [2021-10-13 06:59:04,057 INFO L857 garLoopResultBuilder]: For program point L332-2(lines 332 340) no Hoare annotation was computed. [2021-10-13 06:59:04,057 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 246) no Hoare annotation was computed. [2021-10-13 06:59:04,058 INFO L857 garLoopResultBuilder]: For program point L365-4(lines 365 371) no Hoare annotation was computed. [2021-10-13 06:59:04,058 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 173) no Hoare annotation was computed. [2021-10-13 06:59:04,058 INFO L857 garLoopResultBuilder]: For program point L365-6(lines 365 371) no Hoare annotation was computed. [2021-10-13 06:59:04,058 INFO L857 garLoopResultBuilder]: For program point L167-2(lines 167 173) no Hoare annotation was computed. [2021-10-13 06:59:04,058 INFO L857 garLoopResultBuilder]: For program point L365-8(lines 365 371) no Hoare annotation was computed. [2021-10-13 06:59:04,059 INFO L857 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-10-13 06:59:04,059 INFO L857 garLoopResultBuilder]: For program point L365-10(lines 365 371) no Hoare annotation was computed. [2021-10-13 06:59:04,059 INFO L857 garLoopResultBuilder]: For program point L167-4(lines 167 173) no Hoare annotation was computed. [2021-10-13 06:59:04,065 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:59:04,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:59:04 BoogieIcfgContainer [2021-10-13 06:59:04,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:59:04,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:59:04,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:59:04,109 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:59:04,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:58:27" (3/4) ... [2021-10-13 06:59:04,113 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 06:59:04,140 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 06:59:04,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 06:59:04,144 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 06:59:04,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 06:59:04,147 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 06:59:04,149 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:59:04,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:59:04,182 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) [2021-10-13 06:59:04,183 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) [2021-10-13 06:59:04,185 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 06:59:04,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) [2021-10-13 06:59:04,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 06:59:04,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 06:59:04,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) [2021-10-13 06:59:04,189 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) [2021-10-13 06:59:04,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 06:59:04,192 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 06:59:04,282 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 06:59:04,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:59:04,284 INFO L168 Benchmark]: Toolchain (without parser) took 41363.48 ms. Allocated memory was 67.1 MB in the beginning and 226.5 MB in the end (delta: 159.4 MB). Free memory was 48.5 MB in the beginning and 177.3 MB in the end (delta: -128.8 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. [2021-10-13 06:59:04,285 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 67.1 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:59:04,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 912.87 ms. Allocated memory is still 67.1 MB. Free memory was 48.3 MB in the beginning and 34.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:59:04,291 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.86 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 34.9 MB in the beginning and 83.0 MB in the end (delta: -48.1 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:59:04,292 INFO L168 Benchmark]: Boogie Preprocessor took 60.25 ms. Allocated memory is still 100.7 MB. Free memory was 83.0 MB in the beginning and 79.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:59:04,292 INFO L168 Benchmark]: RCFGBuilder took 2946.62 ms. Allocated memory is still 100.7 MB. Free memory was 79.9 MB in the beginning and 57.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:59:04,293 INFO L168 Benchmark]: TraceAbstraction took 37096.83 ms. Allocated memory was 100.7 MB in the beginning and 226.5 MB in the end (delta: 125.8 MB). Free memory was 56.6 MB in the beginning and 190.0 MB in the end (delta: -133.4 MB). Peak memory consumption was 118.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:59:04,293 INFO L168 Benchmark]: Witness Printer took 174.38 ms. Allocated memory is still 226.5 MB. Free memory was 190.0 MB in the beginning and 177.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:59:04,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 67.1 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 912.87 ms. Allocated memory is still 67.1 MB. Free memory was 48.3 MB in the beginning and 34.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 163.86 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 34.9 MB in the beginning and 83.0 MB in the end (delta: -48.1 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.25 ms. Allocated memory is still 100.7 MB. Free memory was 83.0 MB in the beginning and 79.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2946.62 ms. Allocated memory is still 100.7 MB. Free memory was 79.9 MB in the beginning and 57.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 37096.83 ms. Allocated memory was 100.7 MB in the beginning and 226.5 MB in the end (delta: 125.8 MB). Free memory was 56.6 MB in the beginning and 190.0 MB in the end (delta: -133.4 MB). Peak memory consumption was 118.1 MB. Max. memory is 16.1 GB. * Witness Printer took 174.38 ms. Allocated memory is still 226.5 MB. Free memory was 190.0 MB in the beginning and 177.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 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: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 185]: 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, 137 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 36986.7ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 66.2ms, AutomataDifference: 7233.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 17070.7ms, InitialAbstractionConstructionTime: 18.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1591 SDtfs, 2712 SDslu, 4240 SDs, 0 SdLazy, 513 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5015.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1000 GetRequests, 925 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 680.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=881occurred in iteration=11, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 592.3ms AutomataMinimizationTime, 12 MinimizatonAttempts, 4149 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 295 NumberOfFragments, 1148 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3257994 FormulaSimplificationTreeSizeReduction, 3647.0ms HoareSimplificationTime, 56 FomulaSimplificationsInter, 2548212 FormulaSimplificationTreeSizeReductionInter, 13405.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 381.4ms SsaConstructionTime, 1972.5ms SatisfiabilityAnalysisTime, 4228.4ms InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 954 ConstructedInterpolants, 0 QuantifiedInterpolants, 2022 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3031 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 76/112 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: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2021-10-13 06:59:04,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087b28bc-11ab-414e-aed6-d7e582244ed5/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...