./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b67757251629fd1bffeb4ee115ae4af5ebdd6873 ............................................................................................................................................ 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_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b67757251629fd1bffeb4ee115ae4af5ebdd6873 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:55:53,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:55:53,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:55:53,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:55:53,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:55:53,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:55:53,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:55:53,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:55:53,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:55:53,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:55:53,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:55:53,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:55:53,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:55:53,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:55:53,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:55:53,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:55:53,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:55:53,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:55:53,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:55:53,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:55:53,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:55:53,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:55:53,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:55:53,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:55:53,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:55:53,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:55:53,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:55:53,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:55:53,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:55:53,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:55:53,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:55:53,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:55:53,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:55:53,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:55:53,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:55:53,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:55:53,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:55:53,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:55:53,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:55:53,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:55:53,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:55:53,650 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:55:53,715 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:55:53,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:55:53,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:55:53,729 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:55:53,729 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:55:53,729 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:55:53,730 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:55:53,730 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:55:53,730 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:55:53,731 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:55:53,731 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:55:53,731 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:55:53,732 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:55:53,732 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:55:53,732 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:55:53,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:55:53,734 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:55:53,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:55:53,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:55:53,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:55:53,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:55:53,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:55:53,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:55:53,736 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:55:53,736 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:55:53,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:55:53,737 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:55:53,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:55:53,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:55:53,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:55:53,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:55:53,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:55:53,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:55:53,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:55:53,739 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:55:53,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:55:53,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:55:53,745 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:55:53,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:55:53,745 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_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b67757251629fd1bffeb4ee115ae4af5ebdd6873 [2021-10-13 07:55:54,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:55:54,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:55:54,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:55:54,139 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:55:54,140 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:55:54,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-10-13 07:55:54,240 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/data/4890ca3e3/46a35c4a06bf42cab5a15497b09e6cb5/FLAG7b26b245f [2021-10-13 07:55:54,911 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:55:54,911 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-10-13 07:55:54,934 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/data/4890ca3e3/46a35c4a06bf42cab5a15497b09e6cb5/FLAG7b26b245f [2021-10-13 07:55:55,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/data/4890ca3e3/46a35c4a06bf42cab5a15497b09e6cb5 [2021-10-13 07:55:55,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:55:55,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:55:55,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:55:55,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:55:55,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:55:55,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:55:55" (1/1) ... [2021-10-13 07:55:55,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7455eb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:55, skipping insertion in model container [2021-10-13 07:55:55,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:55:55" (1/1) ... [2021-10-13 07:55:55,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:55:55,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:55:55,631 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_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13152,13165] [2021-10-13 07:55:55,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:55:55,713 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 07:55:55,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@257d4cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:55, skipping insertion in model container [2021-10-13 07:55:55,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:55:55,715 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:55:55,719 INFO L168 Benchmark]: Toolchain (without parser) took 493.55 ms. Allocated memory is still 100.7 MB. Free memory was 70.2 MB in the beginning and 72.9 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:55,720 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 100.7 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:55:55,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.53 ms. Allocated memory is still 100.7 MB. Free memory was 70.0 MB in the beginning and 72.9 MB in the end (delta: -2.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:55,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 100.7 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 486.53 ms. Allocated memory is still 100.7 MB. Free memory was 70.0 MB in the beginning and 72.9 MB in the end (delta: -2.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:55:58,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:55:58,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:55:58,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:55:58,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:55:58,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:55:58,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:55:58,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:55:58,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:55:58,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:55:58,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:55:58,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:55:58,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:55:58,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:55:58,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:55:58,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:55:58,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:55:58,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:55:58,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:55:58,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:55:58,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:55:58,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:55:58,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:55:58,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:55:58,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:55:58,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:55:58,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:55:58,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:55:58,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:55:58,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:55:58,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:55:58,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:55:58,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:55:58,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:55:58,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:55:58,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:55:58,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:55:58,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:55:58,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:55:58,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:55:58,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:55:58,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:55:58,901 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:55:58,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:55:58,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:55:58,904 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:55:58,904 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:55:58,905 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:55:58,905 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:55:58,905 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:55:58,907 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:55:58,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:55:58,911 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:55:58,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:55:58,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:55:58,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:55:58,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:55:58,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:55:58,913 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:55:58,913 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:55:58,913 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:55:58,914 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:55:58,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:55:58,914 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:55:58,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:55:58,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:55:58,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:55:58,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:55:58,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:55:58,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:55:58,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:55:58,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:55:58,917 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:55:58,917 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:55:58,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:55:58,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:55:58,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:55:58,919 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_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b67757251629fd1bffeb4ee115ae4af5ebdd6873 [2021-10-13 07:55:59,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:55:59,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:55:59,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:55:59,429 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:55:59,430 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:55:59,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-10-13 07:55:59,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/data/361119623/f09c53ed080f4e33aac691dbcb6b675c/FLAG57501d8a2 [2021-10-13 07:56:00,214 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:56:00,218 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-10-13 07:56:00,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/data/361119623/f09c53ed080f4e33aac691dbcb6b675c/FLAG57501d8a2 [2021-10-13 07:56:00,504 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/data/361119623/f09c53ed080f4e33aac691dbcb6b675c [2021-10-13 07:56:00,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:56:00,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:56:00,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:56:00,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:56:00,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:56:00,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:56:00" (1/1) ... [2021-10-13 07:56:00,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb57d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:56:00, skipping insertion in model container [2021-10-13 07:56:00,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:56:00" (1/1) ... [2021-10-13 07:56:00,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:56:00,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:56:00,963 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_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13152,13165] [2021-10-13 07:56:01,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:56:01,046 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:56:01,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:56:01,115 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_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13152,13165] [2021-10-13 07:56:01,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:56:01,161 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:56:01,238 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_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13152,13165] [2021-10-13 07:56:01,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:56:01,317 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:56:01,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:56:01 WrapperNode [2021-10-13 07:56:01,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:56:01,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:56:01,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:56:01,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:56:01,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:56:01" (1/1) ... [2021-10-13 07:56:01,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:56:01" (1/1) ... [2021-10-13 07:56:01,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:56:01,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:56:01,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:56:01,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:56:01,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:56:01" (1/1) ... [2021-10-13 07:56:01,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:56:01" (1/1) ... [2021-10-13 07:56:01,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:56:01" (1/1) ... [2021-10-13 07:56:01,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:56:01" (1/1) ... [2021-10-13 07:56:01,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:56:01" (1/1) ... [2021-10-13 07:56:01,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:56:01" (1/1) ... [2021-10-13 07:56:01,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:56:01" (1/1) ... [2021-10-13 07:56:01,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:56:01,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:56:01,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:56:01,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:56:01,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:56:01" (1/1) ... [2021-10-13 07:56:01,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:56:01,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:56:01,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:56:01,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:56:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:56:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:56:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:56:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:56:04,536 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:56:04,537 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-13 07:56:04,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:56:04 BoogieIcfgContainer [2021-10-13 07:56:04,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:56:04,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:56:04,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:56:04,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:56:04,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:56:00" (1/3) ... [2021-10-13 07:56:04,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70815e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:56:04, skipping insertion in model container [2021-10-13 07:56:04,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:56:01" (2/3) ... [2021-10-13 07:56:04,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70815e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:56:04, skipping insertion in model container [2021-10-13 07:56:04,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:56:04" (3/3) ... [2021-10-13 07:56:04,551 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2021-10-13 07:56:04,558 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:56:04,558 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:56:04,648 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:56:04,654 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:56:04,655 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:56:04,676 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:04,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 07:56:04,684 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:56:04,685 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:56:04,685 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:56:04,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:56:04,693 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2021-10-13 07:56:04,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:56:04,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879203834] [2021-10-13 07:56:04,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:56:04,728 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:56:04,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:56:04,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:56:04,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:56:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:56:05,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:56:05,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:56:05,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:56:05,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:56:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:56:05,241 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:56:05,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879203834] [2021-10-13 07:56:05,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879203834] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:56:05,243 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:56:05,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:56:05,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270815213] [2021-10-13 07:56:05,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:56:05,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:56:05,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:56:05,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:56:05,285 INFO L87 Difference]: Start difference. First operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:05,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:56:05,334 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2021-10-13 07:56:05,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:56:05,337 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 07:56:05,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:56:05,352 INFO L225 Difference]: With dead ends: 132 [2021-10-13 07:56:05,353 INFO L226 Difference]: Without dead ends: 65 [2021-10-13 07:56:05,357 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:56:05,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-13 07:56:05,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-13 07:56:05,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 64 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:05,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-10-13 07:56:05,418 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2021-10-13 07:56:05,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:56:05,419 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-13 07:56:05,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:05,421 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-10-13 07:56:05,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 07:56:05,424 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:56:05,424 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:56:05,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:56:05,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:56:05,641 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:56:05,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:56:05,645 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2021-10-13 07:56:05,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:56:05,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300421991] [2021-10-13 07:56:05,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:56:05,649 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:56:05,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:56:05,650 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:56:05,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:56:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:56:05,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:56:05,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:56:06,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:56:06,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:56:06,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:56:06,118 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:56:06,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300421991] [2021-10-13 07:56:06,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [300421991] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:56:06,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:56:06,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:56:06,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092970383] [2021-10-13 07:56:06,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:56:06,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:56:06,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:56:06,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:56:06,129 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:06,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:56:06,162 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2021-10-13 07:56:06,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:56:06,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 07:56:06,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:56:06,167 INFO L225 Difference]: With dead ends: 65 [2021-10-13 07:56:06,167 INFO L226 Difference]: Without dead ends: 31 [2021-10-13 07:56:06,168 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:56:06,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-13 07:56:06,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-13 07:56:06,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:06,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-13 07:56:06,185 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2021-10-13 07:56:06,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:56:06,185 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-13 07:56:06,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:06,187 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-13 07:56:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 07:56:06,188 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:56:06,193 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:56:06,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:56:06,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:56:06,409 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:56:06,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:56:06,410 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2021-10-13 07:56:06,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:56:06,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926377383] [2021-10-13 07:56:06,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:56:06,412 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:56:06,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:56:06,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:56:06,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:56:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:56:06,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:56:06,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:56:06,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:56:06,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:56:06,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:56:06,856 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:56:06,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926377383] [2021-10-13 07:56:06,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [926377383] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:56:06,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:56:06,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:56:06,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467250857] [2021-10-13 07:56:06,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:56:06,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:56:06,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:56:06,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:56:06,861 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:06,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:56:06,912 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-10-13 07:56:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:56:06,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 07:56:06,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:56:06,917 INFO L225 Difference]: With dead ends: 56 [2021-10-13 07:56:06,917 INFO L226 Difference]: Without dead ends: 31 [2021-10-13 07:56:06,918 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:56:06,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-13 07:56:06,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-13 07:56:06,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:06,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-10-13 07:56:06,929 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2021-10-13 07:56:06,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:56:06,930 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-10-13 07:56:06,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2021-10-13 07:56:06,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 07:56:06,935 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:56:06,935 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] [2021-10-13 07:56:06,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:56:07,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:56:07,160 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:56:07,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:56:07,161 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2021-10-13 07:56:07,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:56:07,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [121207868] [2021-10-13 07:56:07,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:56:07,163 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:56:07,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:56:07,164 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:56:07,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:56:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:56:07,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:56:07,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:56:07,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:56:07,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:56:07,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:56:07,678 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:56:07,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [121207868] [2021-10-13 07:56:07,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [121207868] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:56:07,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:56:07,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 07:56:07,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048211165] [2021-10-13 07:56:07,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:56:07,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:56:07,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:56:07,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:56:07,684 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:07,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:56:07,848 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2021-10-13 07:56:07,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:56:07,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-13 07:56:07,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:56:07,857 INFO L225 Difference]: With dead ends: 132 [2021-10-13 07:56:07,857 INFO L226 Difference]: Without dead ends: 107 [2021-10-13 07:56:07,859 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 62.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:56:07,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-13 07:56:07,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2021-10-13 07:56:07,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:07,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2021-10-13 07:56:07,881 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2021-10-13 07:56:07,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:56:07,882 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2021-10-13 07:56:07,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:07,883 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2021-10-13 07:56:07,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 07:56:07,885 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:56:07,885 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:56:07,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:56:08,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:56:08,111 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:56:08,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:56:08,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1414455604, now seen corresponding path program 1 times [2021-10-13 07:56:08,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:56:08,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [495699827] [2021-10-13 07:56:08,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:56:08,113 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:56:08,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:56:08,115 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:56:08,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:56:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:56:08,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:56:08,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:56:08,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:56:08,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:56:08,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:56:08,599 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:56:08,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [495699827] [2021-10-13 07:56:08,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [495699827] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:56:08,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:56:08,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:56:08,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380204677] [2021-10-13 07:56:08,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:56:08,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:56:08,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:56:08,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:56:08,602 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:08,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:56:08,722 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2021-10-13 07:56:08,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:56:08,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 07:56:08,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:56:08,724 INFO L225 Difference]: With dead ends: 144 [2021-10-13 07:56:08,724 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:56:08,726 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 42.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:56:08,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:56:08,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:56:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:56:08,727 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-13 07:56:08,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:56:08,727 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:56:08,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:56:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:56:08,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:56:08,731 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:56:08,732 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:56:08,733 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:56:08,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:56:08,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:56:08,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:56:08,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:56:09,469 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-10-13 07:56:09,470 INFO L857 garLoopResultBuilder]: For program point L680(lines 679 726) no Hoare annotation was computed. [2021-10-13 07:56:09,470 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:56:09,470 INFO L853 garLoopResultBuilder]: At program point L631(lines 626 634) the Hoare annotation is: false [2021-10-13 07:56:09,470 INFO L853 garLoopResultBuilder]: At program point L631-1(lines 626 634) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:56:09,470 INFO L853 garLoopResultBuilder]: At program point L631-2(lines 626 634) the Hoare annotation is: false [2021-10-13 07:56:09,471 INFO L853 garLoopResultBuilder]: At program point L631-3(lines 626 634) the Hoare annotation is: false [2021-10-13 07:56:09,471 INFO L853 garLoopResultBuilder]: At program point L631-4(lines 626 634) the Hoare annotation is: false [2021-10-13 07:56:09,471 INFO L853 garLoopResultBuilder]: At program point L631-5(lines 626 634) the Hoare annotation is: false [2021-10-13 07:56:09,471 INFO L853 garLoopResultBuilder]: At program point L433(lines 1 877) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:56:09,471 INFO L857 garLoopResultBuilder]: For program point L681(lines 681 685) no Hoare annotation was computed. [2021-10-13 07:56:09,472 INFO L853 garLoopResultBuilder]: At program point L830(lines 825 833) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:56:09,472 INFO L853 garLoopResultBuilder]: At program point L830-1(lines 825 833) the Hoare annotation is: false [2021-10-13 07:56:09,472 INFO L853 garLoopResultBuilder]: At program point L830-2(lines 825 833) the Hoare annotation is: false [2021-10-13 07:56:09,472 INFO L857 garLoopResultBuilder]: For program point L533(lines 533 540) no Hoare annotation was computed. [2021-10-13 07:56:09,472 INFO L860 garLoopResultBuilder]: At program point L533-1(lines 533 540) the Hoare annotation is: true [2021-10-13 07:56:09,472 INFO L857 garLoopResultBuilder]: For program point L781(lines 781 789) no Hoare annotation was computed. [2021-10-13 07:56:09,473 INFO L857 garLoopResultBuilder]: For program point L781-1(lines 781 789) no Hoare annotation was computed. [2021-10-13 07:56:09,473 INFO L857 garLoopResultBuilder]: For program point L781-2(lines 781 789) no Hoare annotation was computed. [2021-10-13 07:56:09,473 INFO L857 garLoopResultBuilder]: For program point L699(lines 699 705) no Hoare annotation was computed. [2021-10-13 07:56:09,473 INFO L853 garLoopResultBuilder]: At program point L699-1(lines 699 705) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:56:09,473 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 721) no Hoare annotation was computed. [2021-10-13 07:56:09,473 INFO L853 garLoopResultBuilder]: At program point L717-2(lines 745 751) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:56:09,474 INFO L857 garLoopResultBuilder]: For program point L618(lines 618 622) no Hoare annotation was computed. [2021-10-13 07:56:09,474 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:56:09,474 INFO L853 garLoopResultBuilder]: At program point L752(lines 752 758) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:56:09,474 INFO L853 garLoopResultBuilder]: At program point L752-1(lines 752 758) the Hoare annotation is: false [2021-10-13 07:56:09,474 INFO L853 garLoopResultBuilder]: At program point L752-2(lines 752 758) the Hoare annotation is: false [2021-10-13 07:56:09,474 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-10-13 07:56:09,475 INFO L857 garLoopResultBuilder]: For program point L606(lines 606 610) no Hoare annotation was computed. [2021-10-13 07:56:09,475 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:56:09,475 INFO L853 garLoopResultBuilder]: At program point L441(lines 436 444) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:56:09,475 INFO L853 garLoopResultBuilder]: At program point L821(lines 814 824) the Hoare annotation is: false [2021-10-13 07:56:09,475 INFO L853 garLoopResultBuilder]: At program point L821-1(lines 814 824) the Hoare annotation is: false [2021-10-13 07:56:09,475 INFO L853 garLoopResultBuilder]: At program point L821-2(lines 814 824) the Hoare annotation is: false [2021-10-13 07:56:09,476 INFO L857 garLoopResultBuilder]: For program point L689(lines 689 695) no Hoare annotation was computed. [2021-10-13 07:56:09,476 INFO L853 garLoopResultBuilder]: At program point L689-1(lines 689 695) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:56:09,476 INFO L853 garLoopResultBuilder]: At program point L458-2(lines 458 472) the Hoare annotation is: false [2021-10-13 07:56:09,476 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 571) no Hoare annotation was computed. [2021-10-13 07:56:09,477 INFO L853 garLoopResultBuilder]: At program point L558-1(lines 1 877) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:56:09,478 INFO L857 garLoopResultBuilder]: For program point L558-2(lines 558 571) no Hoare annotation was computed. [2021-10-13 07:56:09,478 INFO L853 garLoopResultBuilder]: At program point L558-3(lines 1 877) the Hoare annotation is: false [2021-10-13 07:56:09,478 INFO L857 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2021-10-13 07:56:09,478 INFO L857 garLoopResultBuilder]: For program point L558-4(lines 558 571) no Hoare annotation was computed. [2021-10-13 07:56:09,479 INFO L853 garLoopResultBuilder]: At program point L558-5(lines 1 877) the Hoare annotation is: false [2021-10-13 07:56:09,479 INFO L860 garLoopResultBuilder]: At program point L542(lines 523 545) the Hoare annotation is: true [2021-10-13 07:56:09,479 INFO L853 garLoopResultBuilder]: At program point L509(lines 505 511) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:56:09,479 INFO L857 garLoopResultBuilder]: For program point L709(lines 709 722) no Hoare annotation was computed. [2021-10-13 07:56:09,479 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:56:09,480 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-10-13 07:56:09,480 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 598) no Hoare annotation was computed. [2021-10-13 07:56:09,480 INFO L857 garLoopResultBuilder]: For program point L594-3(lines 594 598) no Hoare annotation was computed. [2021-10-13 07:56:09,481 INFO L857 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2021-10-13 07:56:09,481 INFO L857 garLoopResultBuilder]: For program point L462-1(lines 745 751) no Hoare annotation was computed. [2021-10-13 07:56:09,481 INFO L857 garLoopResultBuilder]: For program point L594-6(lines 594 598) no Hoare annotation was computed. [2021-10-13 07:56:09,481 INFO L853 garLoopResultBuilder]: At program point L727(lines 678 728) the Hoare annotation is: false [2021-10-13 07:56:09,481 INFO L857 garLoopResultBuilder]: For program point L562(lines 562 568) no Hoare annotation was computed. [2021-10-13 07:56:09,482 INFO L857 garLoopResultBuilder]: For program point L562-2(lines 562 568) no Hoare annotation was computed. [2021-10-13 07:56:09,482 INFO L857 garLoopResultBuilder]: For program point L562-4(lines 562 568) no Hoare annotation was computed. [2021-10-13 07:56:09,482 INFO L857 garLoopResultBuilder]: For program point L777(lines 777 794) no Hoare annotation was computed. [2021-10-13 07:56:09,482 INFO L857 garLoopResultBuilder]: For program point L777-1(lines 777 794) no Hoare annotation was computed. [2021-10-13 07:56:09,483 INFO L857 garLoopResultBuilder]: For program point L777-2(lines 777 794) no Hoare annotation was computed. [2021-10-13 07:56:09,483 INFO L853 garLoopResultBuilder]: At program point L745(lines 744 763) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:56:09,483 INFO L857 garLoopResultBuilder]: For program point L745-1(lines 745 751) no Hoare annotation was computed. [2021-10-13 07:56:09,483 INFO L853 garLoopResultBuilder]: At program point L745-2(lines 744 763) the Hoare annotation is: false [2021-10-13 07:56:09,484 INFO L853 garLoopResultBuilder]: At program point L745-3(lines 744 763) the Hoare annotation is: false [2021-10-13 07:56:09,484 INFO L857 garLoopResultBuilder]: For program point L580(line 580) no Hoare annotation was computed. [2021-10-13 07:56:09,484 INFO L857 garLoopResultBuilder]: For program point L580-1(line 580) no Hoare annotation was computed. [2021-10-13 07:56:09,484 INFO L857 garLoopResultBuilder]: For program point L580-2(line 580) no Hoare annotation was computed. [2021-10-13 07:56:09,490 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:56:09,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:56:09 BoogieIcfgContainer [2021-10-13 07:56:09,510 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:56:09,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:56:09,511 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:56:09,511 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:56:09,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:56:04" (3/4) ... [2021-10-13 07:56:09,521 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:56:09,551 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:56:09,552 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:56:09,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:56:09,554 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:56:09,555 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:56:09,556 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:56:09,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:56:09,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:56:09,674 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:56:09,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:56:09,676 INFO L168 Benchmark]: Toolchain (without parser) took 9165.29 ms. Allocated memory was 73.4 MB in the beginning and 96.5 MB in the end (delta: 23.1 MB). Free memory was 53.4 MB in the beginning and 39.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 36.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:56:09,677 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 73.4 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:56:09,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.38 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 42.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:56:09,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.25 ms. Allocated memory is still 73.4 MB. Free memory was 42.3 MB in the beginning and 39.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:56:09,679 INFO L168 Benchmark]: Boogie Preprocessor took 92.31 ms. Allocated memory is still 73.4 MB. Free memory was 39.3 MB in the beginning and 37.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:56:09,679 INFO L168 Benchmark]: RCFGBuilder took 3003.14 ms. Allocated memory was 73.4 MB in the beginning and 96.5 MB in the end (delta: 23.1 MB). Free memory was 37.2 MB in the beginning and 49.1 MB in the end (delta: -11.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:56:09,680 INFO L168 Benchmark]: TraceAbstraction took 4967.85 ms. Allocated memory is still 96.5 MB. Free memory was 48.6 MB in the beginning and 45.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:56:09,680 INFO L168 Benchmark]: Witness Printer took 163.60 ms. Allocated memory is still 96.5 MB. Free memory was 45.4 MB in the beginning and 39.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:56:09,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 73.4 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 806.38 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 42.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.25 ms. Allocated memory is still 73.4 MB. Free memory was 42.3 MB in the beginning and 39.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.31 ms. Allocated memory is still 73.4 MB. Free memory was 39.3 MB in the beginning and 37.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3003.14 ms. Allocated memory was 73.4 MB in the beginning and 96.5 MB in the end (delta: 23.1 MB). Free memory was 37.2 MB in the beginning and 49.1 MB in the end (delta: -11.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4967.85 ms. Allocated memory is still 96.5 MB. Free memory was 48.6 MB in the beginning and 45.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * Witness Printer took 163.60 ms. Allocated memory is still 96.5 MB. Free memory was 45.4 MB in the beginning and 39.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: 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, 69 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4845.1ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 22.3ms, AutomataDifference: 503.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 519.9ms, InitialAbstractionConstructionTime: 15.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 286 SDtfs, 365 SDslu, 233 SDs, 0 SdLazy, 53 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 137.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 129.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 92.3ms AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1214 FormulaSimplificationTreeSizeReduction, 269.0ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 237.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 159.5ms SsaConstructionTime, 753.3ms SatisfiabilityAnalysisTime, 1098.8ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-13 07:56:09,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc199c0-3a32-4861-b72a-1b99a22aa3ca/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...