./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE --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 707a68b5ae5daf5497cfeaeef06b8e51a77f018401ec73338bde503119bd77ef ............................................................................................................................................ 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_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE --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 707a68b5ae5daf5497cfeaeef06b8e51a77f018401ec73338bde503119bd77ef ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:05:58,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:05:58,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:05:58,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:05:58,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:05:59,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:05:59,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:05:59,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:05:59,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:05:59,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:05:59,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:05:59,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:05:59,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:05:59,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:05:59,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:05:59,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:05:59,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:05:59,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:05:59,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:05:59,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:05:59,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:05:59,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:05:59,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:05:59,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:05:59,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:05:59,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:05:59,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:05:59,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:05:59,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:05:59,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:05:59,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:05:59,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:05:59,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:05:59,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:05:59,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:05:59,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:05:59,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:05:59,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:05:59,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:05:59,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:05:59,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:05:59,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:05:59,079 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:05:59,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:05:59,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:05:59,081 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:05:59,081 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:05:59,082 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:05:59,082 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:05:59,082 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:05:59,083 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:05:59,083 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:05:59,083 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:05:59,083 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:05:59,084 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:05:59,084 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:05:59,084 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:05:59,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:05:59,086 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:05:59,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:05:59,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:05:59,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:05:59,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:05:59,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:05:59,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:05:59,088 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:05:59,088 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:05:59,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:05:59,089 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:05:59,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:05:59,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:05:59,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:05:59,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:05:59,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:05:59,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:05:59,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:05:59,108 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:05:59,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:05:59,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:05:59,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:05:59,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:05:59,110 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_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 707a68b5ae5daf5497cfeaeef06b8e51a77f018401ec73338bde503119bd77ef [2021-10-24 11:05:59,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:05:59,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:05:59,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:05:59,400 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:05:59,401 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:05:59,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2021-10-24 11:05:59,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/data/9f25e94f2/47a90c93bc664f3da2d09255af2a4e34/FLAG51ac5c680 [2021-10-24 11:06:00,092 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:06:00,093 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2021-10-24 11:06:00,114 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/data/9f25e94f2/47a90c93bc664f3da2d09255af2a4e34/FLAG51ac5c680 [2021-10-24 11:06:00,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/data/9f25e94f2/47a90c93bc664f3da2d09255af2a4e34 [2021-10-24 11:06:00,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:06:00,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:06:00,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:06:00,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:06:00,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:06:00,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:06:00" (1/1) ... [2021-10-24 11:06:00,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799e025c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:00, skipping insertion in model container [2021-10-24 11:06:00,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:06:00" (1/1) ... [2021-10-24 11:06:00,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:06:00,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:06:00,593 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_f780e097-5c66-4c97-b912-9f8fe45b6bbe/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2897,2910] [2021-10-24 11:06:00,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:06:00,774 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) [2021-10-24 11:06:00,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35d80d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:00, skipping insertion in model container [2021-10-24 11:06:00,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:06:00,775 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:06:00,778 INFO L168 Benchmark]: Toolchain (without parser) took 444.10 ms. Allocated memory was 86.0 MB in the beginning and 134.2 MB in the end (delta: 48.2 MB). Free memory was 49.2 MB in the beginning and 112.5 MB in the end (delta: -63.2 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:00,779 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 66.6 MB in the beginning and 66.5 MB in the end (delta: 157.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:06:00,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.09 ms. Allocated memory was 86.0 MB in the beginning and 134.2 MB in the end (delta: 48.2 MB). Free memory was 48.9 MB in the beginning and 112.5 MB in the end (delta: -63.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:00,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 66.6 MB in the beginning and 66.5 MB in the end (delta: 157.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 436.09 ms. Allocated memory was 86.0 MB in the beginning and 134.2 MB in the end (delta: 48.2 MB). Free memory was 48.9 MB in the beginning and 112.5 MB in the end (delta: -63.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 602]: 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-e943c26 [2021-10-24 11:06:03,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:06:03,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:06:03,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:06:03,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:06:03,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:06:03,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:06:03,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:06:03,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:06:03,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:06:03,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:06:03,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:06:03,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:06:03,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:06:03,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:06:03,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:06:03,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:06:03,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:06:03,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:06:03,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:06:03,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:06:03,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:06:03,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:06:03,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:06:03,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:06:03,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:06:03,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:06:03,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:06:03,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:06:03,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:06:03,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:06:03,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:06:03,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:06:03,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:06:03,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:06:03,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:06:03,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:06:03,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:06:03,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:06:03,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:06:03,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:06:03,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 11:06:03,533 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:06:03,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:06:03,534 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:06:03,534 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:06:03,535 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:06:03,535 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:06:03,535 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:06:03,536 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:06:03,536 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:06:03,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:06:03,537 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:06:03,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:06:03,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:06:03,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:06:03,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:06:03,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:06:03,539 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:06:03,539 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:06:03,540 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:06:03,540 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:06:03,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:06:03,541 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:06:03,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:06:03,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:06:03,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:06:03,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:06:03,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:06:03,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:06:03,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:06:03,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:06:03,543 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:06:03,543 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:06:03,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:06:03,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:06:03,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:06:03,544 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_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 707a68b5ae5daf5497cfeaeef06b8e51a77f018401ec73338bde503119bd77ef [2021-10-24 11:06:04,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:06:04,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:06:04,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:06:04,104 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:06:04,105 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:06:04,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2021-10-24 11:06:04,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/data/98027894e/b3a7fa5f4e024d029724382a5c2791ac/FLAG413a1efd2 [2021-10-24 11:06:04,832 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:06:04,833 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2021-10-24 11:06:04,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/data/98027894e/b3a7fa5f4e024d029724382a5c2791ac/FLAG413a1efd2 [2021-10-24 11:06:05,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/data/98027894e/b3a7fa5f4e024d029724382a5c2791ac [2021-10-24 11:06:05,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:06:05,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:06:05,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:06:05,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:06:05,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:06:05,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:06:05" (1/1) ... [2021-10-24 11:06:05,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b062e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:05, skipping insertion in model container [2021-10-24 11:06:05,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:06:05" (1/1) ... [2021-10-24 11:06:05,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:06:05,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:06:05,437 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_f780e097-5c66-4c97-b912-9f8fe45b6bbe/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2897,2910] [2021-10-24 11:06:05,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:06:05,602 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 11:06:05,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:06:05,638 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_f780e097-5c66-4c97-b912-9f8fe45b6bbe/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2897,2910] [2021-10-24 11:06:05,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:06:05,780 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:06:05,824 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_f780e097-5c66-4c97-b912-9f8fe45b6bbe/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2897,2910] [2021-10-24 11:06:05,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:06:05,923 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:06:05,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:05 WrapperNode [2021-10-24 11:06:05,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:06:05,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:06:05,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:06:05,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:06:05,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:05" (1/1) ... [2021-10-24 11:06:05,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:05" (1/1) ... [2021-10-24 11:06:06,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:06:06,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:06:06,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:06:06,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:06:06,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:05" (1/1) ... [2021-10-24 11:06:06,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:05" (1/1) ... [2021-10-24 11:06:06,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:05" (1/1) ... [2021-10-24 11:06:06,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:05" (1/1) ... [2021-10-24 11:06:06,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:05" (1/1) ... [2021-10-24 11:06:06,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:05" (1/1) ... [2021-10-24 11:06:06,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:05" (1/1) ... [2021-10-24 11:06:06,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:06:06,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:06:06,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:06:06,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:06:06,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:05" (1/1) ... [2021-10-24 11:06:06,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:06:06,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:06:06,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:06:06,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:06:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:06:06,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 11:06:06,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:06:06,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:06:08,747 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:06:08,747 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-24 11:06:08,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:06:08 BoogieIcfgContainer [2021-10-24 11:06:08,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:06:08,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:06:08,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:06:08,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:06:08,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:06:05" (1/3) ... [2021-10-24 11:06:08,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32102b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:06:08, skipping insertion in model container [2021-10-24 11:06:08,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:05" (2/3) ... [2021-10-24 11:06:08,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32102b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:06:08, skipping insertion in model container [2021-10-24 11:06:08,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:06:08" (3/3) ... [2021-10-24 11:06:08,777 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2021-10-24 11:06:08,785 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:06:08,785 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 11:06:08,857 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:06:08,868 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 11:06:08,868 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 11:06:08,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 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) [2021-10-24 11:06:08,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 11:06:08,899 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:08,900 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:06:08,901 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:06:08,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:08,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1613004623, now seen corresponding path program 1 times [2021-10-24 11:06:08,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:08,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827570520] [2021-10-24 11:06:08,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:08,928 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:08,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:08,932 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:08,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:06:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:09,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 11:06:09,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:09,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:06:09,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:06:09,314 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:09,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827570520] [2021-10-24 11:06:09,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827570520] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:09,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:09,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:06:09,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419009732] [2021-10-24 11:06:09,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 11:06:09,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:09,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 11:06:09,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:06:09,346 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 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) [2021-10-24 11:06:09,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:09,386 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-24 11:06:09,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 11:06:09,388 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 [2021-10-24 11:06:09,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:09,398 INFO L225 Difference]: With dead ends: 148 [2021-10-24 11:06:09,398 INFO L226 Difference]: Without dead ends: 73 [2021-10-24 11:06:09,401 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 [2021-10-24 11:06:09,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-24 11:06:09,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-24 11:06:09,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:09,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-24 11:06:09,441 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-10-24 11:06:09,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:09,442 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-24 11:06:09,442 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) [2021-10-24 11:06:09,442 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-24 11:06:09,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 11:06:09,444 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:09,444 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:06:09,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:09,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:09,658 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:06:09,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:09,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1635205776, now seen corresponding path program 1 times [2021-10-24 11:06:09,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:09,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604412495] [2021-10-24 11:06:09,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:09,660 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:09,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:09,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:09,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 11:06:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:09,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:06:09,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:06:09,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:06:10,033 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:10,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604412495] [2021-10-24 11:06:10,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [604412495] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:10,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:10,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:06:10,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495372482] [2021-10-24 11:06:10,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:06:10,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:10,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:06:10,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:06:10,042 INFO L87 Difference]: Start difference. First operand 73 states and 102 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) [2021-10-24 11:06:10,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:10,069 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-24 11:06:10,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:06:10,070 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 [2021-10-24 11:06:10,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:10,073 INFO L225 Difference]: With dead ends: 73 [2021-10-24 11:06:10,073 INFO L226 Difference]: Without dead ends: 35 [2021-10-24 11:06:10,074 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:06:10,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-24 11:06:10,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-24 11:06:10,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 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) [2021-10-24 11:06:10,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-24 11:06:10,089 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-10-24 11:06:10,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:10,090 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-24 11:06:10,091 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) [2021-10-24 11:06:10,091 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-24 11:06:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 11:06:10,093 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:10,097 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] [2021-10-24 11:06:10,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:10,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:10,314 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:06:10,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:10,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2021-10-24 11:06:10,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:10,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547156097] [2021-10-24 11:06:10,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:10,316 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:10,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:10,317 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:10,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 11:06:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:10,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:06:10,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:10,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:06:10,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:10,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:06:10,776 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:10,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1547156097] [2021-10-24 11:06:10,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1547156097] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:10,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:10,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 11:06:10,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257735201] [2021-10-24 11:06:10,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:06:10,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:10,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:06:10,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:06:10,782 INFO L87 Difference]: Start difference. First operand 35 states and 49 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) [2021-10-24 11:06:10,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:10,833 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2021-10-24 11:06:10,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:06:10,834 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 [2021-10-24 11:06:10,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:10,836 INFO L225 Difference]: With dead ends: 116 [2021-10-24 11:06:10,837 INFO L226 Difference]: Without dead ends: 87 [2021-10-24 11:06:10,838 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:06:10,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-24 11:06:10,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2021-10-24 11:06:10,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.471698113207547) internal successors, (78), 53 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:10,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2021-10-24 11:06:10,871 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2021-10-24 11:06:10,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:10,871 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2021-10-24 11:06:10,872 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) [2021-10-24 11:06:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2021-10-24 11:06:10,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-24 11:06:10,875 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:10,876 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] [2021-10-24 11:06:10,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:11,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:11,091 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:06:11,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:11,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2021-10-24 11:06:11,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:11,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006344698] [2021-10-24 11:06:11,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:11,094 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:11,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:11,096 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:11,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 11:06:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:11,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:06:11,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:11,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:06:11,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:11,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:06:11,621 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:11,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006344698] [2021-10-24 11:06:11,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006344698] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:11,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:11,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 11:06:11,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53946818] [2021-10-24 11:06:11,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 11:06:11,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:11,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 11:06:11,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 11:06:11,624 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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) [2021-10-24 11:06:11,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:11,942 INFO L93 Difference]: Finished difference Result 373 states and 575 transitions. [2021-10-24 11:06:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 11:06:11,943 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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 23 [2021-10-24 11:06:11,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:11,950 INFO L225 Difference]: With dead ends: 373 [2021-10-24 11:06:11,950 INFO L226 Difference]: Without dead ends: 325 [2021-10-24 11:06:11,952 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 150.7ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-24 11:06:11,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-10-24 11:06:11,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 136. [2021-10-24 11:06:11,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.451851851851852) internal successors, (196), 135 states have internal predecessors, (196), 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) [2021-10-24 11:06:11,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2021-10-24 11:06:11,991 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2021-10-24 11:06:11,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:11,991 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2021-10-24 11:06:11,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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) [2021-10-24 11:06:11,992 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2021-10-24 11:06:11,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 11:06:11,994 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:11,994 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] [2021-10-24 11:06:12,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:12,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:12,212 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:06:12,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:12,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1402731609, now seen corresponding path program 1 times [2021-10-24 11:06:12,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:12,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085000187] [2021-10-24 11:06:12,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:12,214 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:12,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:12,215 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:12,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 11:06:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:12,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:06:12,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:12,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:06:12,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:12,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:06:12,574 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:12,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085000187] [2021-10-24 11:06:12,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1085000187] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:12,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:12,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 11:06:12,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965101751] [2021-10-24 11:06:12,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:06:12,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:12,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:06:12,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:06:12,578 INFO L87 Difference]: Start difference. First operand 136 states and 196 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) [2021-10-24 11:06:14,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:14,012 INFO L93 Difference]: Finished difference Result 354 states and 516 transitions. [2021-10-24 11:06:14,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:06:14,013 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 [2021-10-24 11:06:14,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:14,014 INFO L225 Difference]: With dead ends: 354 [2021-10-24 11:06:14,014 INFO L226 Difference]: Without dead ends: 224 [2021-10-24 11:06:14,015 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:06:14,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-10-24 11:06:14,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2021-10-24 11:06:14,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.4253393665158371) internal successors, (315), 221 states have internal predecessors, (315), 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) [2021-10-24 11:06:14,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 315 transitions. [2021-10-24 11:06:14,055 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 315 transitions. Word has length 24 [2021-10-24 11:06:14,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:14,055 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 315 transitions. [2021-10-24 11:06:14,056 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) [2021-10-24 11:06:14,056 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 315 transitions. [2021-10-24 11:06:14,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 11:06:14,058 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:14,058 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] [2021-10-24 11:06:14,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:14,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:14,272 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:06:14,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:14,272 INFO L82 PathProgramCache]: Analyzing trace with hash -796024257, now seen corresponding path program 1 times [2021-10-24 11:06:14,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:14,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875307529] [2021-10-24 11:06:14,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:14,274 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:14,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:14,275 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:14,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 11:06:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:14,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:06:14,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:14,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:06:14,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:14,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:06:14,713 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:14,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875307529] [2021-10-24 11:06:14,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1875307529] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:14,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:14,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:06:14,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587862511] [2021-10-24 11:06:14,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:06:14,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:14,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:06:14,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:06:14,716 INFO L87 Difference]: Start difference. First operand 222 states and 315 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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) [2021-10-24 11:06:14,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:14,748 INFO L93 Difference]: Finished difference Result 331 states and 474 transitions. [2021-10-24 11:06:14,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:06:14,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 [2021-10-24 11:06:14,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:14,751 INFO L225 Difference]: With dead ends: 331 [2021-10-24 11:06:14,751 INFO L226 Difference]: Without dead ends: 115 [2021-10-24 11:06:14,752 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:06:14,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-24 11:06:14,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-24 11:06:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 114 states have internal predecessors, (153), 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) [2021-10-24 11:06:14,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2021-10-24 11:06:14,770 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2021-10-24 11:06:14,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:14,770 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2021-10-24 11:06:14,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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) [2021-10-24 11:06:14,771 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2021-10-24 11:06:14,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-24 11:06:14,773 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:14,773 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:06:14,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:14,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:14,986 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:06:14,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:14,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1852777620, now seen corresponding path program 1 times [2021-10-24 11:06:14,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:14,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198484770] [2021-10-24 11:06:14,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:14,988 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:14,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:14,992 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:14,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 11:06:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:15,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 11:06:15,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:15,410 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:06:15,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:15,596 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:06:15,596 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:15,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198484770] [2021-10-24 11:06:15,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [198484770] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:06:15,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1491367958] [2021-10-24 11:06:15,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:15,597 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:06:15,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:06:15,603 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:06:15,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-24 11:06:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:15,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:06:15,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:16,026 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-24 11:06:16,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:16,113 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-24 11:06:16,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1491367958] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:16,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 11:06:16,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-24 11:06:16,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608888167] [2021-10-24 11:06:16,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:06:16,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:16,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:06:16,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:06:16,117 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:16,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:16,225 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2021-10-24 11:06:16,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:06:16,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-10-24 11:06:16,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:16,227 INFO L225 Difference]: With dead ends: 235 [2021-10-24 11:06:16,227 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 11:06:16,228 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 84.5ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-24 11:06:16,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 11:06:16,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 11:06:16,229 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) [2021-10-24 11:06:16,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 11:06:16,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-24 11:06:16,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:16,231 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 11:06:16,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:16,232 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 11:06:16,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 11:06:16,236 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:06:16,237 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:06:16,238 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:06:16,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:16,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2021-10-24 11:06:16,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 11:06:16,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 11:06:16,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:16,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:17,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:17,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:17,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:17,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:17,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:17,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:17,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:17,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:17,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:17,143 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2021-10-24 11:06:17,144 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 205) no Hoare annotation was computed. [2021-10-24 11:06:17,144 INFO L857 garLoopResultBuilder]: For program point L201-3(lines 201 205) no Hoare annotation was computed. [2021-10-24 11:06:17,144 INFO L857 garLoopResultBuilder]: For program point L201-6(lines 201 205) no Hoare annotation was computed. [2021-10-24 11:06:17,144 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 11:06:17,144 INFO L853 garLoopResultBuilder]: At program point L368(lines 368 374) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:17,144 INFO L853 garLoopResultBuilder]: At program point L368-1(lines 368 374) the Hoare annotation is: false [2021-10-24 11:06:17,144 INFO L853 garLoopResultBuilder]: At program point L368-2(lines 368 374) the Hoare annotation is: false [2021-10-24 11:06:17,145 INFO L853 garLoopResultBuilder]: At program point L270(lines 265 273) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:17,145 INFO L853 garLoopResultBuilder]: At program point L270-1(lines 265 273) the Hoare annotation is: false [2021-10-24 11:06:17,145 INFO L853 garLoopResultBuilder]: At program point L270-2(lines 265 273) the Hoare annotation is: false [2021-10-24 11:06:17,145 INFO L853 garLoopResultBuilder]: At program point L519(lines 504 522) the Hoare annotation is: false [2021-10-24 11:06:17,145 INFO L853 garLoopResultBuilder]: At program point L519-1(lines 504 522) the Hoare annotation is: false [2021-10-24 11:06:17,145 INFO L853 garLoopResultBuilder]: At program point L519-2(lines 504 522) the Hoare annotation is: false [2021-10-24 11:06:17,145 INFO L853 garLoopResultBuilder]: At program point L569(lines 564 572) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:17,145 INFO L857 garLoopResultBuilder]: For program point L305(lines 305 311) no Hoare annotation was computed. [2021-10-24 11:06:17,146 INFO L853 garLoopResultBuilder]: At program point L305-1(lines 305 311) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:17,146 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 186) no Hoare annotation was computed. [2021-10-24 11:06:17,146 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-24 11:06:17,146 INFO L853 garLoopResultBuilder]: At program point L173-1(lines 1 938) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:17,146 INFO L857 garLoopResultBuilder]: For program point L173-2(lines 173 186) no Hoare annotation was computed. [2021-10-24 11:06:17,146 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-24 11:06:17,146 INFO L853 garLoopResultBuilder]: At program point L173-3(lines 1 938) the Hoare annotation is: false [2021-10-24 11:06:17,146 INFO L857 garLoopResultBuilder]: For program point L173-4(lines 173 186) no Hoare annotation was computed. [2021-10-24 11:06:17,146 INFO L853 garLoopResultBuilder]: At program point L173-5(lines 1 938) the Hoare annotation is: false [2021-10-24 11:06:17,147 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 11:06:17,147 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-24 11:06:17,147 INFO L857 garLoopResultBuilder]: For program point L158-1(line 158) no Hoare annotation was computed. [2021-10-24 11:06:17,147 INFO L857 garLoopResultBuilder]: For program point L158-2(line 158) no Hoare annotation was computed. [2021-10-24 11:06:17,147 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2021-10-24 11:06:17,147 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 229) no Hoare annotation was computed. [2021-10-24 11:06:17,147 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 338) no Hoare annotation was computed. [2021-10-24 11:06:17,147 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 11:06:17,148 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 183) no Hoare annotation was computed. [2021-10-24 11:06:17,148 INFO L857 garLoopResultBuilder]: For program point L177-2(lines 177 183) no Hoare annotation was computed. [2021-10-24 11:06:17,148 INFO L857 garLoopResultBuilder]: For program point L177-4(lines 177 183) no Hoare annotation was computed. [2021-10-24 11:06:17,148 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-24 11:06:17,148 INFO L853 garLoopResultBuilder]: At program point L343(lines 294 344) the Hoare annotation is: false [2021-10-24 11:06:17,148 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 410) no Hoare annotation was computed. [2021-10-24 11:06:17,148 INFO L857 garLoopResultBuilder]: For program point L393-1(lines 393 410) no Hoare annotation was computed. [2021-10-24 11:06:17,148 INFO L857 garLoopResultBuilder]: For program point L393-2(lines 393 410) no Hoare annotation was computed. [2021-10-24 11:06:17,148 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-24 11:06:17,149 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:17,149 INFO L853 garLoopResultBuilder]: At program point L361(lines 360 379) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:17,149 INFO L857 garLoopResultBuilder]: For program point L361-1(lines 361 367) no Hoare annotation was computed. [2021-10-24 11:06:17,149 INFO L853 garLoopResultBuilder]: At program point L361-2(lines 360 379) the Hoare annotation is: false [2021-10-24 11:06:17,149 INFO L853 garLoopResultBuilder]: At program point L361-3(lines 360 379) the Hoare annotation is: false [2021-10-24 11:06:17,149 INFO L853 garLoopResultBuilder]: At program point L279(lines 274 282) the Hoare annotation is: false [2021-10-24 11:06:17,153 INFO L853 garLoopResultBuilder]: At program point L279-1(lines 274 282) the Hoare annotation is: false [2021-10-24 11:06:17,153 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 217) no Hoare annotation was computed. [2021-10-24 11:06:17,153 INFO L853 garLoopResultBuilder]: At program point L279-2(lines 274 282) the Hoare annotation is: false [2021-10-24 11:06:17,153 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2021-10-24 11:06:17,154 INFO L853 garLoopResultBuilder]: At program point L527-1(lines 527 533) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:17,154 INFO L857 garLoopResultBuilder]: For program point L296(lines 295 342) no Hoare annotation was computed. [2021-10-24 11:06:17,154 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 11:06:17,154 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2021-10-24 11:06:17,154 INFO L853 garLoopResultBuilder]: At program point L561(lines 1 938) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:17,154 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 301) no Hoare annotation was computed. [2021-10-24 11:06:17,155 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-24 11:06:17,155 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 361 367) no Hoare annotation was computed. [2021-10-24 11:06:17,155 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-24 11:06:17,155 INFO L857 garLoopResultBuilder]: For program point L397(lines 397 405) no Hoare annotation was computed. [2021-10-24 11:06:17,156 INFO L857 garLoopResultBuilder]: For program point L397-1(lines 397 405) no Hoare annotation was computed. [2021-10-24 11:06:17,156 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 337) no Hoare annotation was computed. [2021-10-24 11:06:17,156 INFO L857 garLoopResultBuilder]: For program point L397-2(lines 397 405) no Hoare annotation was computed. [2021-10-24 11:06:17,156 INFO L853 garLoopResultBuilder]: At program point L331-1(lines 361 367) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:17,156 INFO L857 garLoopResultBuilder]: For program point L513(lines 513 517) no Hoare annotation was computed. [2021-10-24 11:06:17,156 INFO L857 garLoopResultBuilder]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2021-10-24 11:06:17,157 INFO L857 garLoopResultBuilder]: For program point L513-3(lines 513 517) no Hoare annotation was computed. [2021-10-24 11:06:17,157 INFO L857 garLoopResultBuilder]: For program point L513-5(lines 513 517) no Hoare annotation was computed. [2021-10-24 11:06:17,158 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 321) no Hoare annotation was computed. [2021-10-24 11:06:17,158 INFO L857 garLoopResultBuilder]: For program point L513-6(lines 513 517) no Hoare annotation was computed. [2021-10-24 11:06:17,158 INFO L853 garLoopResultBuilder]: At program point L315-1(lines 315 321) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:17,159 INFO L857 garLoopResultBuilder]: For program point L513-8(lines 513 517) no Hoare annotation was computed. [2021-10-24 11:06:17,159 INFO L853 garLoopResultBuilder]: At program point L464(lines 459 467) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:17,159 INFO L853 garLoopResultBuilder]: At program point L464-1(lines 459 467) the Hoare annotation is: false [2021-10-24 11:06:17,159 INFO L853 garLoopResultBuilder]: At program point L464-2(lines 459 467) the Hoare annotation is: false [2021-10-24 11:06:17,164 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:06:17,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:06:17 BoogieIcfgContainer [2021-10-24 11:06:17,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:06:17,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:06:17,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:06:17,202 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:06:17,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:06:08" (3/4) ... [2021-10-24 11:06:17,206 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:06:17,231 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 11:06:17,233 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 11:06:17,235 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 11:06:17,235 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 11:06:17,236 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 11:06:17,237 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:06:17,238 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:06:17,276 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-24 11:06:17,328 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:06:17,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:06:17,330 INFO L168 Benchmark]: Toolchain (without parser) took 12249.09 ms. Allocated memory was 67.1 MB in the beginning and 104.9 MB in the end (delta: 37.7 MB). Free memory was 45.6 MB in the beginning and 72.3 MB in the end (delta: -26.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:17,330 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 67.1 MB. Free memory is still 47.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:06:17,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 847.37 ms. Allocated memory is still 67.1 MB. Free memory was 45.3 MB in the beginning and 36.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:17,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.60 ms. Allocated memory is still 67.1 MB. Free memory was 36.3 MB in the beginning and 33.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:17,332 INFO L168 Benchmark]: Boogie Preprocessor took 40.39 ms. Allocated memory is still 67.1 MB. Free memory was 33.3 MB in the beginning and 31.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:17,333 INFO L168 Benchmark]: RCFGBuilder took 2686.60 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 31.2 MB in the beginning and 42.1 MB in the end (delta: -10.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:17,333 INFO L168 Benchmark]: TraceAbstraction took 8447.13 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 41.3 MB in the beginning and 78.6 MB in the end (delta: -37.3 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:17,334 INFO L168 Benchmark]: Witness Printer took 126.18 ms. Allocated memory is still 104.9 MB. Free memory was 78.6 MB in the beginning and 72.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:17,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 67.1 MB. Free memory is still 47.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 847.37 ms. Allocated memory is still 67.1 MB. Free memory was 45.3 MB in the beginning and 36.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.60 ms. Allocated memory is still 67.1 MB. Free memory was 36.3 MB in the beginning and 33.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.39 ms. Allocated memory is still 67.1 MB. Free memory was 33.3 MB in the beginning and 31.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2686.60 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 31.2 MB in the beginning and 42.1 MB in the end (delta: -10.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8447.13 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 41.3 MB in the beginning and 78.6 MB in the end (delta: -37.3 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. * Witness Printer took 126.18 ms. Allocated memory is still 104.9 MB. Free memory was 78.6 MB in the beginning and 72.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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: 158]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 158]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 158]: 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, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8308.7ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 28.7ms, AutomataDifference: 2089.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 483.2ms, InitialAbstractionConstructionTime: 14.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 429 SDtfs, 620 SDslu, 624 SDs, 0 SdLazy, 128 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1569.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 263.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=5, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 166.7ms AutomataMinimizationTime, 7 MinimizatonAttempts, 224 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 5768 FormulaSimplificationTreeSizeReduction, 367.0ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 104.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 185.7ms SsaConstructionTime, 944.7ms SatisfiabilityAnalysisTime, 1809.8ms InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 817 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1608 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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: 564]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 11:06:17,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f780e097-5c66-4c97-b912-9f8fe45b6bbe/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...