./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.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_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/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_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/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_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/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 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a ............................................................................................................................................ 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_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/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_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/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_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/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 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:43:06,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:43:06,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:43:06,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:43:06,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:43:06,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:43:06,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:43:06,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:43:06,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:43:06,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:43:06,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:43:06,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:43:06,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:43:06,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:43:06,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:43:06,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:43:06,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:43:06,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:43:06,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:43:06,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:43:06,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:43:06,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:43:06,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:43:06,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:43:06,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:43:06,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:43:06,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:43:06,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:43:06,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:43:06,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:43:06,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:43:06,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:43:06,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:43:06,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:43:06,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:43:06,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:43:06,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:43:06,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:43:06,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:43:06,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:43:06,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:43:06,808 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:43:06,859 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:43:06,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:43:06,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:43:06,861 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:43:06,862 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:43:06,862 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:43:06,862 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:43:06,870 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:43:06,870 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:43:06,870 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:43:06,871 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:43:06,872 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:43:06,872 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:43:06,872 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:43:06,873 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:43:06,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:43:06,874 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:43:06,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:43:06,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:43:06,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:43:06,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:43:06,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:43:06,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:43:06,876 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:43:06,876 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:43:06,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:43:06,876 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:43:06,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:43:06,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:43:06,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:43:06,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:43:06,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:43:06,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:43:06,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:43:06,880 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:43:06,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:43:06,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:43:06,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:43:06,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:43:06,882 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_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a [2021-10-24 10:43:07,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:43:07,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:43:07,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:43:07,225 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:43:07,226 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:43:07,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-24 10:43:07,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/data/9ce129406/38af7f3e0e5143f394d241a16b208043/FLAG1eed6dbc6 [2021-10-24 10:43:08,079 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:43:08,079 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-24 10:43:08,112 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/data/9ce129406/38af7f3e0e5143f394d241a16b208043/FLAG1eed6dbc6 [2021-10-24 10:43:08,346 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/data/9ce129406/38af7f3e0e5143f394d241a16b208043 [2021-10-24 10:43:08,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:43:08,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:43:08,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:43:08,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:43:08,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:43:08,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:43:08" (1/1) ... [2021-10-24 10:43:08,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706e9f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:43:08, skipping insertion in model container [2021-10-24 10:43:08,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:43:08" (1/1) ... [2021-10-24 10:43:08,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:43:08,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:43:08,764 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_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2021-10-24 10:43:08,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:43:08,840 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 10:43:08,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41ac0915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:43:08, skipping insertion in model container [2021-10-24 10:43:08,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:43:08,842 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:43:08,853 INFO L168 Benchmark]: Toolchain (without parser) took 492.11 ms. Allocated memory is still 127.9 MB. Free memory was 90.1 MB in the beginning and 96.6 MB in the end (delta: -6.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:08,855 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 127.9 MB. Free memory was 101.8 MB in the beginning and 101.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:43:08,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.80 ms. Allocated memory is still 127.9 MB. Free memory was 89.8 MB in the beginning and 96.6 MB in the end (delta: -6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:08,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 127.9 MB. Free memory was 101.8 MB in the beginning and 101.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 487.80 ms. Allocated memory is still 127.9 MB. Free memory was 89.8 MB in the beginning and 96.6 MB in the end (delta: -6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 107]: 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 10:43:11,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:43:11,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:43:11,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:43:11,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:43:11,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:43:11,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:43:11,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:43:11,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:43:11,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:43:11,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:43:11,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:43:11,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:43:11,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:43:11,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:43:11,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:43:11,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:43:11,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:43:11,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:43:11,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:43:11,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:43:11,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:43:11,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:43:11,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:43:11,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:43:11,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:43:11,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:43:11,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:43:11,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:43:11,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:43:11,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:43:11,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:43:11,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:43:11,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:43:11,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:43:11,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:43:11,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:43:11,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:43:11,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:43:11,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:43:11,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:43:11,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:43:11,768 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:43:11,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:43:11,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:43:11,770 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:43:11,771 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:43:11,771 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:43:11,771 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:43:11,771 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:43:11,772 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:43:11,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:43:11,774 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:43:11,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:43:11,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:43:11,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:43:11,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:43:11,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:43:11,776 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:43:11,776 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:43:11,776 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:43:11,777 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:43:11,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:43:11,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:43:11,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:43:11,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:43:11,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:43:11,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:43:11,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:43:11,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:43:11,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:43:11,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:43:11,779 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:43:11,779 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:43:11,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:43:11,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:43:11,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:43:11,781 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_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a [2021-10-24 10:43:12,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:43:12,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:43:12,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:43:12,290 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:43:12,291 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:43:12,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-24 10:43:12,371 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/data/299cc77f5/72e36f3d90e94b17bc99c3728cff3ad2/FLAGddc320169 [2021-10-24 10:43:13,160 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:43:13,167 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-24 10:43:13,187 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/data/299cc77f5/72e36f3d90e94b17bc99c3728cff3ad2/FLAGddc320169 [2021-10-24 10:43:13,386 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/data/299cc77f5/72e36f3d90e94b17bc99c3728cff3ad2 [2021-10-24 10:43:13,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:43:13,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:43:13,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:43:13,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:43:13,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:43:13,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:43:13" (1/1) ... [2021-10-24 10:43:13,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645858dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:43:13, skipping insertion in model container [2021-10-24 10:43:13,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:43:13" (1/1) ... [2021-10-24 10:43:13,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:43:13,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:43:13,766 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_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2021-10-24 10:43:13,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:43:13,946 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:43:13,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:43:14,054 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_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2021-10-24 10:43:14,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:43:14,112 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:43:14,154 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_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2021-10-24 10:43:14,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:43:14,198 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:43:14,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:43:14 WrapperNode [2021-10-24 10:43:14,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:43:14,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:43:14,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:43:14,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:43:14,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:43:14" (1/1) ... [2021-10-24 10:43:14,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:43:14" (1/1) ... [2021-10-24 10:43:14,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:43:14,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:43:14,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:43:14,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:43:14,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:43:14" (1/1) ... [2021-10-24 10:43:14,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:43:14" (1/1) ... [2021-10-24 10:43:14,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:43:14" (1/1) ... [2021-10-24 10:43:14,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:43:14" (1/1) ... [2021-10-24 10:43:14,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:43:14" (1/1) ... [2021-10-24 10:43:14,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:43:14" (1/1) ... [2021-10-24 10:43:14,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:43:14" (1/1) ... [2021-10-24 10:43:14,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:43:14,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:43:14,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:43:14,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:43:14,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:43:14" (1/1) ... [2021-10-24 10:43:14,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:43:14,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:43:14,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:43:14,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:43:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:43:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:43:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:43:14,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:43:17,134 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:43:17,134 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-24 10:43:17,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:43:17 BoogieIcfgContainer [2021-10-24 10:43:17,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:43:17,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:43:17,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:43:17,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:43:17,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:43:13" (1/3) ... [2021-10-24 10:43:17,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b303958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:43:17, skipping insertion in model container [2021-10-24 10:43:17,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:43:14" (2/3) ... [2021-10-24 10:43:17,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b303958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:43:17, skipping insertion in model container [2021-10-24 10:43:17,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:43:17" (3/3) ... [2021-10-24 10:43:17,151 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2021-10-24 10:43:17,158 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:43:17,158 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:43:17,237 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:43:17,249 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 10:43:17,249 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:43:17,275 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 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 10:43:17,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 10:43:17,297 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:43:17,298 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:43:17,299 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 10:43:17,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:43:17,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2021-10-24 10:43:17,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:43:17,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307054918] [2021-10-24 10:43:17,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:43:17,325 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:43:17,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:43:17,329 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:43:17,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:43:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:43:17,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:43:17,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:43:17,672 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 10:43:17,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:43:17,731 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 10:43:17,732 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:43:17,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [307054918] [2021-10-24 10:43:17,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [307054918] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:43:17,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:43:17,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:43:17,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572376003] [2021-10-24 10:43:17,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:43:17,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:43:17,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:43:17,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:43:17,787 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 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 10:43:17,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:43:17,813 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-24 10:43:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:43:17,815 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 10:43:17,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:43:17,825 INFO L225 Difference]: With dead ends: 108 [2021-10-24 10:43:17,825 INFO L226 Difference]: Without dead ends: 53 [2021-10-24 10:43:17,829 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:43:17,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-24 10:43:17,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-24 10:43:17,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.44) internal successors, (72), 52 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:43:17,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-24 10:43:17,872 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-24 10:43:17,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:43:17,873 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-24 10:43:17,873 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 10:43:17,874 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-24 10:43:17,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 10:43:17,875 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:43:17,875 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 10:43:17,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:43:18,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:43:18,091 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 10:43:18,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:43:18,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2021-10-24 10:43:18,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:43:18,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [240304854] [2021-10-24 10:43:18,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:43:18,094 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:43:18,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:43:18,095 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:43:18,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:43:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:43:18,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:43:18,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:43:18,423 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 10:43:18,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:43:18,486 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 10:43:18,487 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:43:18,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [240304854] [2021-10-24 10:43:18,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [240304854] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:43:18,488 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:43:18,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:43:18,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778089725] [2021-10-24 10:43:18,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:43:18,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:43:18,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:43:18,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:43:18,492 INFO L87 Difference]: Start difference. First operand 53 states and 72 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 10:43:18,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:43:18,506 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-24 10:43:18,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:43:18,507 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 10:43:18,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:43:18,508 INFO L225 Difference]: With dead ends: 53 [2021-10-24 10:43:18,509 INFO L226 Difference]: Without dead ends: 27 [2021-10-24 10:43:18,510 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 10:43:18,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-24 10:43:18,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-24 10:43:18,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:43:18,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-24 10:43:18,516 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-24 10:43:18,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:43:18,516 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-24 10:43:18,517 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 10:43:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-24 10:43:18,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 10:43:18,518 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:43:18,518 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 10:43:18,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:43:18,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:43:18,723 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 10:43:18,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:43:18,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2021-10-24 10:43:18,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:43:18,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104568293] [2021-10-24 10:43:18,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:43:18,725 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:43:18,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:43:18,734 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:43:18,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:43:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:43:19,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:43:19,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:43:19,175 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 10:43:19,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:43:19,305 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 10:43:19,305 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:43:19,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104568293] [2021-10-24 10:43:19,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2104568293] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:43:19,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:43:19,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:43:19,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654350134] [2021-10-24 10:43:19,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:43:19,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:43:19,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:43:19,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:43:19,318 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:43:19,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:43:19,608 INFO L93 Difference]: Finished difference Result 154 states and 241 transitions. [2021-10-24 10:43:19,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 10:43:19,609 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 10:43:19,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:43:19,613 INFO L225 Difference]: With dead ends: 154 [2021-10-24 10:43:19,613 INFO L226 Difference]: Without dead ends: 133 [2021-10-24 10:43:19,614 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 151.7ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-24 10:43:19,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-24 10:43:19,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 60. [2021-10-24 10:43:19,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4406779661016949) internal successors, (85), 59 states have internal predecessors, (85), 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 10:43:19,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2021-10-24 10:43:19,634 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2021-10-24 10:43:19,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:43:19,634 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2021-10-24 10:43:19,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:43:19,635 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2021-10-24 10:43:19,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-24 10:43:19,636 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:43:19,636 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 10:43:19,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:43:19,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:43:19,844 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 10:43:19,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:43:19,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2021-10-24 10:43:19,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:43:19,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247936105] [2021-10-24 10:43:19,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:43:19,846 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:43:19,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:43:19,848 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:43:19,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:43:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:43:20,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:43:20,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:43:20,180 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 10:43:20,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:43:20,272 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 10:43:20,272 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:43:20,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247936105] [2021-10-24 10:43:20,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [247936105] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:43:20,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:43:20,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:43:20,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309986588] [2021-10-24 10:43:20,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:43:20,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:43:20,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:43:20,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:43:20,276 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:43:20,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:43:20,288 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2021-10-24 10:43:20,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:43:20,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-24 10:43:20,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:43:20,290 INFO L225 Difference]: With dead ends: 95 [2021-10-24 10:43:20,291 INFO L226 Difference]: Without dead ends: 57 [2021-10-24 10:43:20,291 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:43:20,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-24 10:43:20,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-24 10:43:20,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.375) internal successors, (77), 56 states have internal predecessors, (77), 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 10:43:20,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2021-10-24 10:43:20,308 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2021-10-24 10:43:20,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:43:20,309 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2021-10-24 10:43:20,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:43:20,309 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2021-10-24 10:43:20,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-24 10:43:20,311 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:43:20,311 INFO L512 BasicCegarLoop]: trace histogram [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 10:43:20,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:43:20,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:43:20,535 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 10:43:20,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:43:20,536 INFO L82 PathProgramCache]: Analyzing trace with hash -829366222, now seen corresponding path program 1 times [2021-10-24 10:43:20,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:43:20,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574339505] [2021-10-24 10:43:20,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:43:20,537 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:43:20,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:43:20,539 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:43:20,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:43:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:43:20,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 10:43:20,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:43:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:43:20,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:43:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:43:21,171 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:43:21,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574339505] [2021-10-24 10:43:21,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574339505] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:43:21,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1549523217] [2021-10-24 10:43:21,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:43:21,172 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:43:21,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:43:21,179 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:43:21,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-10-24 10:43:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:43:21,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:43:21,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:43:21,642 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-24 10:43:21,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:43:21,747 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-24 10:43:21,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1549523217] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:43:21,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:43:21,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-24 10:43:21,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287906541] [2021-10-24 10:43:21,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:43:21,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:43:21,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:43:21,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:43:21,750 INFO L87 Difference]: Start difference. First operand 57 states and 77 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 10:43:21,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:43:21,857 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2021-10-24 10:43:21,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:43:21,858 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 37 [2021-10-24 10:43:21,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:43:21,859 INFO L225 Difference]: With dead ends: 111 [2021-10-24 10:43:21,859 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:43:21,862 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 84.2ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:43:21,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:43:21,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:43:21,863 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 10:43:21,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:43:21,863 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-10-24 10:43:21,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:43:21,867 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:43:21,868 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 10:43:21,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:43:21,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:43:21,873 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:43:21,874 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:43:21,874 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:43:21,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:43:22,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:43:22,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:43:22,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:43:22,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:22,587 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-10-24 10:43:22,587 INFO L857 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-24 10:43:22,587 INFO L857 garLoopResultBuilder]: For program point L449-1(line 449) no Hoare annotation was computed. [2021-10-24 10:43:22,587 INFO L857 garLoopResultBuilder]: For program point L449-2(line 449) no Hoare annotation was computed. [2021-10-24 10:43:22,587 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:43:22,588 INFO L853 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: false [2021-10-24 10:43:22,588 INFO L853 garLoopResultBuilder]: At program point L648(lines 643 651) 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 10:43:22,588 INFO L853 garLoopResultBuilder]: At program point L648-1(lines 643 651) the Hoare annotation is: false [2021-10-24 10:43:22,588 INFO L853 garLoopResultBuilder]: At program point L648-2(lines 643 651) the Hoare annotation is: false [2021-10-24 10:43:22,589 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-24 10:43:22,589 INFO L853 garLoopResultBuilder]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:43:22,589 INFO L857 garLoopResultBuilder]: For program point L782(lines 782 786) no Hoare annotation was computed. [2021-10-24 10:43:22,589 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 723) no Hoare annotation was computed. [2021-10-24 10:43:22,589 INFO L853 garLoopResultBuilder]: At program point L717-1(lines 717 723) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:43:22,589 INFO L853 garLoopResultBuilder]: At program point L866(lines 1 877) the Hoare annotation is: (and (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:43:22,590 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2021-10-24 10:43:22,590 INFO L857 garLoopResultBuilder]: For program point L470-1(lines 571 577) no Hoare annotation was computed. [2021-10-24 10:43:22,590 INFO L860 garLoopResultBuilder]: At program point L553(lines 534 556) the Hoare annotation is: true [2021-10-24 10:43:22,590 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:43:22,590 INFO L853 garLoopResultBuilder]: At program point L571(lines 570 589) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:43:22,591 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 571 577) no Hoare annotation was computed. [2021-10-24 10:43:22,591 INFO L853 garLoopResultBuilder]: At program point L571-2(lines 570 589) the Hoare annotation is: false [2021-10-24 10:43:22,591 INFO L853 garLoopResultBuilder]: At program point L571-3(lines 570 589) the Hoare annotation is: false [2021-10-24 10:43:22,591 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-10-24 10:43:22,591 INFO L857 garLoopResultBuilder]: For program point L770(lines 770 774) no Hoare annotation was computed. [2021-10-24 10:43:22,591 INFO L857 garLoopResultBuilder]: For program point L737(lines 737 750) no Hoare annotation was computed. [2021-10-24 10:43:22,592 INFO L857 garLoopResultBuilder]: For program point L770-3(lines 770 774) no Hoare annotation was computed. [2021-10-24 10:43:22,592 INFO L857 garLoopResultBuilder]: For program point L770-6(lines 770 774) no Hoare annotation was computed. [2021-10-24 10:43:22,592 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-10-24 10:43:22,592 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:43:22,592 INFO L853 garLoopResultBuilder]: At program point L61-1(lines 1 877) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:43:22,592 INFO L857 garLoopResultBuilder]: For program point L61-2(lines 61 74) no Hoare annotation was computed. [2021-10-24 10:43:22,593 INFO L853 garLoopResultBuilder]: At program point L61-3(lines 1 877) the Hoare annotation is: false [2021-10-24 10:43:22,593 INFO L857 garLoopResultBuilder]: For program point L61-4(lines 61 74) no Hoare annotation was computed. [2021-10-24 10:43:22,593 INFO L853 garLoopResultBuilder]: At program point L61-5(lines 1 877) the Hoare annotation is: false [2021-10-24 10:43:22,593 INFO L853 garLoopResultBuilder]: At program point L755(lines 706 756) the Hoare annotation is: false [2021-10-24 10:43:22,593 INFO L853 garLoopResultBuilder]: At program point L839(lines 834 842) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:43:22,593 INFO L853 garLoopResultBuilder]: At program point L839-1(lines 834 842) the Hoare annotation is: false [2021-10-24 10:43:22,594 INFO L853 garLoopResultBuilder]: At program point L839-2(lines 834 842) the Hoare annotation is: false [2021-10-24 10:43:22,594 INFO L857 garLoopResultBuilder]: For program point L708(lines 707 754) no Hoare annotation was computed. [2021-10-24 10:43:22,594 INFO L853 garLoopResultBuilder]: At program point L874(lines 869 877) the Hoare annotation is: (and (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:43:22,594 INFO L857 garLoopResultBuilder]: For program point L709(lines 709 713) no Hoare annotation was computed. [2021-10-24 10:43:22,594 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-10-24 10:43:22,594 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 551) no Hoare annotation was computed. [2021-10-24 10:43:22,595 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:43:22,595 INFO L857 garLoopResultBuilder]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2021-10-24 10:43:22,595 INFO L860 garLoopResultBuilder]: At program point L544-1(lines 544 551) the Hoare annotation is: true [2021-10-24 10:43:22,595 INFO L857 garLoopResultBuilder]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2021-10-24 10:43:22,595 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-10-24 10:43:22,596 INFO L853 garLoopResultBuilder]: At program point L578(lines 578 584) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:43:22,597 INFO L853 garLoopResultBuilder]: At program point L578-1(lines 578 584) the Hoare annotation is: false [2021-10-24 10:43:22,597 INFO L853 garLoopResultBuilder]: At program point L578-2(lines 578 584) the Hoare annotation is: false [2021-10-24 10:43:22,598 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 733) no Hoare annotation was computed. [2021-10-24 10:43:22,598 INFO L853 garLoopResultBuilder]: At program point L727-1(lines 727 733) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:43:22,598 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-10-24 10:43:22,598 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 749) no Hoare annotation was computed. [2021-10-24 10:43:22,599 INFO L853 garLoopResultBuilder]: At program point L745-2(lines 571 577) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:43:22,606 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:43:22,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:43:22 BoogieIcfgContainer [2021-10-24 10:43:22,638 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:43:22,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:43:22,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:43:22,640 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:43:22,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:43:17" (3/4) ... [2021-10-24 10:43:22,644 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:43:22,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:43:22,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:43:22,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:43:22,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:43:22,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:43:22,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:43:22,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:43:22,713 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-24 10:43:22,761 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:43:22,762 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:43:22,764 INFO L168 Benchmark]: Toolchain (without parser) took 9369.29 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 45.9 MB in the beginning and 32.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:22,764 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 67.1 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:43:22,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.38 ms. Allocated memory is still 67.1 MB. Free memory was 45.6 MB in the beginning and 37.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:22,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.15 ms. Allocated memory is still 67.1 MB. Free memory was 37.6 MB in the beginning and 35.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:22,766 INFO L168 Benchmark]: Boogie Preprocessor took 42.82 ms. Allocated memory is still 67.1 MB. Free memory was 35.0 MB in the beginning and 32.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:22,767 INFO L168 Benchmark]: RCFGBuilder took 2818.57 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 32.9 MB in the beginning and 55.0 MB in the end (delta: -22.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:22,767 INFO L168 Benchmark]: TraceAbstraction took 5496.06 ms. Allocated memory is still 92.3 MB. Free memory was 54.5 MB in the beginning and 37.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:22,768 INFO L168 Benchmark]: Witness Printer took 123.17 ms. Allocated memory is still 92.3 MB. Free memory was 37.7 MB in the beginning and 32.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:22,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 67.1 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 801.38 ms. Allocated memory is still 67.1 MB. Free memory was 45.6 MB in the beginning and 37.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.15 ms. Allocated memory is still 67.1 MB. Free memory was 37.6 MB in the beginning and 35.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.82 ms. Allocated memory is still 67.1 MB. Free memory was 35.0 MB in the beginning and 32.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2818.57 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 32.9 MB in the beginning and 55.0 MB in the end (delta: -22.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5496.06 ms. Allocated memory is still 92.3 MB. Free memory was 54.5 MB in the beginning and 37.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * Witness Printer took 123.17 ms. Allocated memory is still 92.3 MB. Free memory was 37.7 MB in the beginning and 32.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 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: 449]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 449]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 449]: 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, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5370.9ms, OverallIterations: 5, TraceHistogramMax: 2, EmptinessCheckTime: 37.9ms, AutomataDifference: 523.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 296.2ms, InitialAbstractionConstructionTime: 15.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 244 SDtfs, 386 SDslu, 309 SDs, 0 SdLazy, 76 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 145.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 251.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 69.7ms AutomataMinimizationTime, 5 MinimizatonAttempts, 73 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 74 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1664 FormulaSimplificationTreeSizeReduction, 210.3ms HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 76.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 167.0ms SsaConstructionTime, 773.2ms SatisfiabilityAnalysisTime, 1480.9ms InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 610 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1209 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 46/56 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: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: waterLevel == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: waterLevel == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: waterLevel == 1bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-24 10:43:22,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a55ae48-994d-4d62-ab60-d6cbf4da8ace/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...