./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fa225959be52b1defd5d055d32ae3a8dd944c37a01adb589e2f547028e60f67 ............................................................................................................................................ 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_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fa225959be52b1defd5d055d32ae3a8dd944c37a01adb589e2f547028e60f67 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:19:44,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:19:44,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:19:44,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:19:44,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:19:44,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:19:44,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:19:44,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:19:44,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:19:44,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:19:44,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:19:44,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:19:44,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:19:44,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:19:44,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:19:44,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:19:44,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:19:44,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:19:44,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:19:44,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:19:44,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:19:44,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:19:44,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:19:44,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:19:44,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:19:44,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:19:44,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:19:44,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:19:44,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:19:44,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:19:44,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:19:44,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:19:44,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:19:44,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:19:44,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:19:44,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:19:44,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:19:44,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:19:44,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:19:44,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:19:44,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:19:44,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:19:44,665 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:19:44,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:19:44,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:19:44,670 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:19:44,671 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:19:44,671 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:19:44,671 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:19:44,671 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:19:44,678 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:19:44,678 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:19:44,679 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:19:44,680 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:19:44,680 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:19:44,680 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:19:44,680 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:19:44,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:19:44,682 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:19:44,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:19:44,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:19:44,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:19:44,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:19:44,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:19:44,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:19:44,683 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:19:44,683 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:19:44,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:19:44,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:19:44,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:19:44,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:19:44,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:19:44,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:19:44,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:19:44,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:19:44,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:19:44,686 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:19:44,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:19:44,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:19:44,687 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:19:44,687 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:19:44,687 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_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa225959be52b1defd5d055d32ae3a8dd944c37a01adb589e2f547028e60f67 [2021-10-24 11:19:44,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:19:44,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:19:44,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:19:44,966 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:19:44,967 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:19:44,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2021-10-24 11:19:45,052 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/data/f14e23fc9/8c5af9502658403084080732e0467151/FLAG90942e15b [2021-10-24 11:19:45,596 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:19:45,597 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2021-10-24 11:19:45,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/data/f14e23fc9/8c5af9502658403084080732e0467151/FLAG90942e15b [2021-10-24 11:19:45,923 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/data/f14e23fc9/8c5af9502658403084080732e0467151 [2021-10-24 11:19:45,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:19:45,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:19:45,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:19:45,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:19:45,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:19:45,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:19:45" (1/1) ... [2021-10-24 11:19:45,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3d5006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:45, skipping insertion in model container [2021-10-24 11:19:45,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:19:45" (1/1) ... [2021-10-24 11:19:45,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:19:46,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:19:46,277 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_cddfeb04-2700-4441-a2c9-b940efb6c489/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c[14569,14582] [2021-10-24 11:19:46,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:19:46,332 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 11:19:46,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43052dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:46, skipping insertion in model container [2021-10-24 11:19:46,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:19:46,334 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:19:46,345 INFO L168 Benchmark]: Toolchain (without parser) took 416.26 ms. Allocated memory is still 119.5 MB. Free memory was 83.0 MB in the beginning and 91.2 MB in the end (delta: -8.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:46,346 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 119.5 MB. Free memory was 91.2 MB in the beginning and 91.1 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:19:46,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.25 ms. Allocated memory is still 119.5 MB. Free memory was 82.7 MB in the beginning and 91.2 MB in the end (delta: -8.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:19:46,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 119.5 MB. Free memory was 91.2 MB in the beginning and 91.1 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 402.25 ms. Allocated memory is still 119.5 MB. Free memory was 82.7 MB in the beginning and 91.2 MB in the end (delta: -8.5 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: 319]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:19:48,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:19:48,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:19:48,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:19:48,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:19:48,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:19:48,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:19:48,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:19:48,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:19:48,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:19:48,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:19:48,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:19:48,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:19:48,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:19:48,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:19:48,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:19:48,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:19:48,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:19:48,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:19:48,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:19:48,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:19:48,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:19:48,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:19:48,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:19:48,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:19:48,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:19:48,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:19:48,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:19:48,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:19:48,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:19:48,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:19:48,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:19:48,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:19:48,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:19:48,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:19:48,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:19:48,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:19:48,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:19:48,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:19:48,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:19:48,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:19:48,740 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 11:19:48,772 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:19:48,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:19:48,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:19:48,775 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:19:48,775 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:19:48,775 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:19:48,775 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:19:48,776 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:19:48,776 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:19:48,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:19:48,778 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:19:48,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:19:48,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:19:48,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:19:48,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:19:48,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:19:48,780 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:19:48,780 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:19:48,780 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:19:48,781 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:19:48,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:19:48,781 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:19:48,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:19:48,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:19:48,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:19:48,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:19:48,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:19:48,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:19:48,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:19:48,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:19:48,783 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:19:48,783 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:19:48,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:19:48,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:19:48,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:19:48,785 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_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa225959be52b1defd5d055d32ae3a8dd944c37a01adb589e2f547028e60f67 [2021-10-24 11:19:49,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:19:49,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:19:49,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:19:49,196 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:19:49,197 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:19:49,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2021-10-24 11:19:49,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/data/dd0e9e17d/87bda42899fc48f9b7b14dc2e4bf08a2/FLAG0ca65c3dd [2021-10-24 11:19:49,867 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:19:49,880 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2021-10-24 11:19:49,899 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/data/dd0e9e17d/87bda42899fc48f9b7b14dc2e4bf08a2/FLAG0ca65c3dd [2021-10-24 11:19:50,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/data/dd0e9e17d/87bda42899fc48f9b7b14dc2e4bf08a2 [2021-10-24 11:19:50,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:19:50,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:19:50,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:19:50,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:19:50,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:19:50,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:19:50" (1/1) ... [2021-10-24 11:19:50,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51adb6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:50, skipping insertion in model container [2021-10-24 11:19:50,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:19:50" (1/1) ... [2021-10-24 11:19:50,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:19:50,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:19:50,539 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_cddfeb04-2700-4441-a2c9-b940efb6c489/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c[14569,14582] [2021-10-24 11:19:50,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:19:50,621 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 11:19:50,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:19:50,723 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_cddfeb04-2700-4441-a2c9-b940efb6c489/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c[14569,14582] [2021-10-24 11:19:50,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:19:50,772 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:19:50,863 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_cddfeb04-2700-4441-a2c9-b940efb6c489/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c[14569,14582] [2021-10-24 11:19:50,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:19:50,899 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:19:50,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:50 WrapperNode [2021-10-24 11:19:50,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:19:50,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:19:50,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:19:50,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:19:50,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:50" (1/1) ... [2021-10-24 11:19:50,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:50" (1/1) ... [2021-10-24 11:19:50,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:19:51,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:19:51,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:19:51,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:19:51,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:50" (1/1) ... [2021-10-24 11:19:51,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:50" (1/1) ... [2021-10-24 11:19:51,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:50" (1/1) ... [2021-10-24 11:19:51,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:50" (1/1) ... [2021-10-24 11:19:51,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:50" (1/1) ... [2021-10-24 11:19:51,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:50" (1/1) ... [2021-10-24 11:19:51,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:50" (1/1) ... [2021-10-24 11:19:51,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:19:51,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:19:51,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:19:51,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:19:51,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:50" (1/1) ... [2021-10-24 11:19:51,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:19:51,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:19:51,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:19:51,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:19:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:19:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 11:19:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:19:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:19:53,507 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:19:53,507 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-24 11:19:53,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:19:53 BoogieIcfgContainer [2021-10-24 11:19:53,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:19:53,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:19:53,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:19:53,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:19:53,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:19:50" (1/3) ... [2021-10-24 11:19:53,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3565cc72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:19:53, skipping insertion in model container [2021-10-24 11:19:53,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:19:50" (2/3) ... [2021-10-24 11:19:53,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3565cc72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:19:53, skipping insertion in model container [2021-10-24 11:19:53,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:19:53" (3/3) ... [2021-10-24 11:19:53,520 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2021-10-24 11:19:53,526 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:19:53,526 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 11:19:53,575 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:19:53,582 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 11:19:53,582 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 11:19:53,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:53,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 11:19:53,607 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:19:53,607 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:19:53,608 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:19:53,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:19:53,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2021-10-24 11:19:53,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:19:53,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785075715] [2021-10-24 11:19:53,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:19:53,630 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:19:53,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:19:53,633 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:19:53,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:19:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:19:53,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 11:19:53,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:19:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:53,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:19:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:54,009 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:19:54,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785075715] [2021-10-24 11:19:54,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1785075715] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:19:54,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:19:54,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:19:54,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247106466] [2021-10-24 11:19:54,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 11:19:54,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:19:54,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 11:19:54,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:19:54,034 INFO L87 Difference]: Start difference. First operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:54,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:19:54,083 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-10-24 11:19:54,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 11:19:54,089 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 11:19:54,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:19:54,099 INFO L225 Difference]: With dead ends: 268 [2021-10-24 11:19:54,099 INFO L226 Difference]: Without dead ends: 133 [2021-10-24 11:19:54,103 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:19:54,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-24 11:19:54,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-24 11:19:54,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 130 states have (on average 1.476923076923077) internal successors, (192), 132 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:54,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-10-24 11:19:54,159 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-10-24 11:19:54,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:19:54,159 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-10-24 11:19:54,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:54,160 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-10-24 11:19:54,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 11:19:54,161 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:19:54,161 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:19:54,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:19:54,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:19:54,378 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:19:54,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:19:54,379 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2021-10-24 11:19:54,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:19:54,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297475303] [2021-10-24 11:19:54,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:19:54,381 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:19:54,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:19:54,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:19:54,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 11:19:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:19:54,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:19:54,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:19:54,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:54,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:19:54,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:54,712 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:19:54,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [297475303] [2021-10-24 11:19:54,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [297475303] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:19:54,713 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:19:54,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:19:54,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666560803] [2021-10-24 11:19:54,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:19:54,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:19:54,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:19:54,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:19:54,717 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:54,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:19:54,735 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-10-24 11:19:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:19:54,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-24 11:19:54,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:19:54,737 INFO L225 Difference]: With dead ends: 133 [2021-10-24 11:19:54,737 INFO L226 Difference]: Without dead ends: 55 [2021-10-24 11:19:54,738 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:19:54,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-24 11:19:54,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-24 11:19:54,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:54,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-24 11:19:54,746 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-10-24 11:19:54,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:19:54,746 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-24 11:19:54,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:54,747 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-24 11:19:54,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 11:19:54,748 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:19:54,748 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:19:54,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 11:19:54,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:19:54,963 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:19:54,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:19:54,964 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2021-10-24 11:19:54,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:19:54,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555776181] [2021-10-24 11:19:54,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:19:54,966 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:19:54,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:19:54,967 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:19:54,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 11:19:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:19:55,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:19:55,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:19:55,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:55,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:19:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:55,347 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:19:55,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555776181] [2021-10-24 11:19:55,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555776181] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:19:55,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:19:55,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:19:55,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835089696] [2021-10-24 11:19:55,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:19:55,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:19:55,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:19:55,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:19:55,354 INFO L87 Difference]: Start difference. First operand 55 states and 79 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) [2021-10-24 11:19:55,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:19:55,408 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2021-10-24 11:19:55,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:19:55,409 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 [2021-10-24 11:19:55,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:19:55,411 INFO L225 Difference]: With dead ends: 176 [2021-10-24 11:19:55,411 INFO L226 Difference]: Without dead ends: 127 [2021-10-24 11:19:55,412 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:19:55,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-24 11:19:55,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2021-10-24 11:19:55,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4794520547945205) internal successors, (108), 73 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:55,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2021-10-24 11:19:55,426 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2021-10-24 11:19:55,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:19:55,426 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2021-10-24 11:19:55,426 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) [2021-10-24 11:19:55,427 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-10-24 11:19:55,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 11:19:55,428 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:19:55,428 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:19:55,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 11:19:55,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:19:55,641 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:19:55,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:19:55,642 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2021-10-24 11:19:55,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:19:55,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15733830] [2021-10-24 11:19:55,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:19:55,643 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:19:55,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:19:55,644 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:19:55,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 11:19:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:19:55,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:19:55,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:19:55,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:55,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:19:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:55,972 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:19:55,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15733830] [2021-10-24 11:19:55,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15733830] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:19:55,973 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:19:55,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 11:19:55,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099664638] [2021-10-24 11:19:55,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:19:55,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:19:55,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:19:55,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:19:55,975 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:56,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:19:56,053 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2021-10-24 11:19:56,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:19:56,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 11:19:56,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:19:56,058 INFO L225 Difference]: With dead ends: 163 [2021-10-24 11:19:56,058 INFO L226 Difference]: Without dead ends: 95 [2021-10-24 11:19:56,060 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:19:56,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-24 11:19:56,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2021-10-24 11:19:56,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.434782608695652) internal successors, (132), 92 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2021-10-24 11:19:56,096 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2021-10-24 11:19:56,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:19:56,097 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2021-10-24 11:19:56,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:56,098 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2021-10-24 11:19:56,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 11:19:56,101 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:19:56,101 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:19:56,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 11:19:56,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:19:56,314 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:19:56,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:19:56,314 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2021-10-24 11:19:56,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:19:56,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310049425] [2021-10-24 11:19:56,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:19:56,316 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:19:56,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:19:56,317 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:19:56,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 11:19:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:19:56,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:19:56,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:19:56,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:56,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:19:56,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:56,729 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:19:56,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310049425] [2021-10-24 11:19:56,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310049425] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:19:56,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:19:56,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 11:19:56,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185643036] [2021-10-24 11:19:56,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:19:56,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:19:56,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:19:56,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:19:56,732 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:56,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:19:56,884 INFO L93 Difference]: Finished difference Result 477 states and 692 transitions. [2021-10-24 11:19:56,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 11:19:56,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-24 11:19:56,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:19:56,888 INFO L225 Difference]: With dead ends: 477 [2021-10-24 11:19:56,889 INFO L226 Difference]: Without dead ends: 390 [2021-10-24 11:19:56,889 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 44.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:19:56,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2021-10-24 11:19:56,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 172. [2021-10-24 11:19:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.4152046783625731) internal successors, (242), 171 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:56,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 242 transitions. [2021-10-24 11:19:56,916 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 242 transitions. Word has length 25 [2021-10-24 11:19:56,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:19:56,917 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 242 transitions. [2021-10-24 11:19:56,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:56,917 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 242 transitions. [2021-10-24 11:19:56,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 11:19:56,919 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:19:56,919 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:19:56,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 11:19:57,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:19:57,132 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:19:57,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:19:57,133 INFO L82 PathProgramCache]: Analyzing trace with hash 176152288, now seen corresponding path program 1 times [2021-10-24 11:19:57,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:19:57,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593381178] [2021-10-24 11:19:57,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:19:57,142 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:19:57,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:19:57,147 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:19:57,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 11:19:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:19:57,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:19:57,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:19:57,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:57,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:19:57,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:57,524 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:19:57,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593381178] [2021-10-24 11:19:57,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [593381178] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:19:57,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:19:57,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:19:57,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227754593] [2021-10-24 11:19:57,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:19:57,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:19:57,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:19:57,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:19:57,529 INFO L87 Difference]: Start difference. First operand 172 states and 242 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:57,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:19:57,720 INFO L93 Difference]: Finished difference Result 490 states and 693 transitions. [2021-10-24 11:19:57,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 11:19:57,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 11:19:57,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:19:57,725 INFO L225 Difference]: With dead ends: 490 [2021-10-24 11:19:57,725 INFO L226 Difference]: Without dead ends: 488 [2021-10-24 11:19:57,726 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 44.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:19:57,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2021-10-24 11:19:57,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 172. [2021-10-24 11:19:57,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.4035087719298245) internal successors, (240), 171 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:57,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 240 transitions. [2021-10-24 11:19:57,765 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 240 transitions. Word has length 26 [2021-10-24 11:19:57,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:19:57,766 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 240 transitions. [2021-10-24 11:19:57,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:57,766 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 240 transitions. [2021-10-24 11:19:57,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 11:19:57,772 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:19:57,773 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:19:57,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 11:19:57,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:19:57,990 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:19:57,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:19:57,991 INFO L82 PathProgramCache]: Analyzing trace with hash -531386443, now seen corresponding path program 1 times [2021-10-24 11:19:57,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:19:57,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138962347] [2021-10-24 11:19:57,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:19:57,992 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:19:57,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:19:57,993 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:19:58,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 11:19:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:19:58,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:19:58,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:19:58,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:58,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:19:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:58,419 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:19:58,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138962347] [2021-10-24 11:19:58,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138962347] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:19:58,419 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:19:58,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:19:58,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968396920] [2021-10-24 11:19:58,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:19:58,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:19:58,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:19:58,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:19:58,422 INFO L87 Difference]: Start difference. First operand 172 states and 240 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:58,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:19:58,521 INFO L93 Difference]: Finished difference Result 500 states and 692 transitions. [2021-10-24 11:19:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 11:19:58,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 11:19:58,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:19:58,524 INFO L225 Difference]: With dead ends: 500 [2021-10-24 11:19:58,524 INFO L226 Difference]: Without dead ends: 334 [2021-10-24 11:19:58,525 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:19:58,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2021-10-24 11:19:58,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 184. [2021-10-24 11:19:58,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.3770491803278688) internal successors, (252), 183 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:58,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 252 transitions. [2021-10-24 11:19:58,552 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 252 transitions. Word has length 34 [2021-10-24 11:19:58,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:19:58,554 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 252 transitions. [2021-10-24 11:19:58,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:58,554 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 252 transitions. [2021-10-24 11:19:58,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 11:19:58,558 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:19:58,558 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:19:58,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 11:19:58,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:19:58,770 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:19:58,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:19:58,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1118192457, now seen corresponding path program 1 times [2021-10-24 11:19:58,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:19:58,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084184019] [2021-10-24 11:19:58,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:19:58,772 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:19:58,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:19:58,773 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:19:58,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 11:19:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:19:59,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 11:19:59,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:19:59,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:59,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:19:59,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:59,194 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:19:59,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2084184019] [2021-10-24 11:19:59,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2084184019] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:19:59,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:19:59,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 11:19:59,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056972418] [2021-10-24 11:19:59,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 11:19:59,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:19:59,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 11:19:59,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 11:19:59,197 INFO L87 Difference]: Start difference. First operand 184 states and 252 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:59,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:19:59,278 INFO L93 Difference]: Finished difference Result 534 states and 726 transitions. [2021-10-24 11:19:59,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:19:59,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 11:19:59,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:19:59,281 INFO L225 Difference]: With dead ends: 534 [2021-10-24 11:19:59,282 INFO L226 Difference]: Without dead ends: 356 [2021-10-24 11:19:59,282 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 20.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:19:59,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-10-24 11:19:59,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 192. [2021-10-24 11:19:59,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 1.361256544502618) internal successors, (260), 191 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 260 transitions. [2021-10-24 11:19:59,310 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 260 transitions. Word has length 34 [2021-10-24 11:19:59,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:19:59,310 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 260 transitions. [2021-10-24 11:19:59,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:19:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 260 transitions. [2021-10-24 11:19:59,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 11:19:59,311 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:19:59,312 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:19:59,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 11:19:59,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:19:59,524 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:19:59,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:19:59,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1896911161, now seen corresponding path program 1 times [2021-10-24 11:19:59,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:19:59,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621679380] [2021-10-24 11:19:59,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:19:59,525 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:19:59,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:19:59,533 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:19:59,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 11:19:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:19:59,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:19:59,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:19:59,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:19:59,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:20:00,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:20:00,004 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:20:00,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621679380] [2021-10-24 11:20:00,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1621679380] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:20:00,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:20:00,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 11:20:00,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565027767] [2021-10-24 11:20:00,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:20:00,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:20:00,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:20:00,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:20:00,006 INFO L87 Difference]: Start difference. First operand 192 states and 260 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:20:00,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:20:00,091 INFO L93 Difference]: Finished difference Result 612 states and 832 transitions. [2021-10-24 11:20:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:20:00,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 11:20:00,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:20:00,094 INFO L225 Difference]: With dead ends: 612 [2021-10-24 11:20:00,095 INFO L226 Difference]: Without dead ends: 426 [2021-10-24 11:20:00,095 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:20:00,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2021-10-24 11:20:00,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 336. [2021-10-24 11:20:00,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 335 states have (on average 1.346268656716418) internal successors, (451), 335 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:20:00,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 451 transitions. [2021-10-24 11:20:00,140 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 451 transitions. Word has length 34 [2021-10-24 11:20:00,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:20:00,141 INFO L470 AbstractCegarLoop]: Abstraction has 336 states and 451 transitions. [2021-10-24 11:20:00,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:20:00,141 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 451 transitions. [2021-10-24 11:20:00,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 11:20:00,142 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:20:00,142 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:20:00,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 11:20:00,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:20:00,366 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:20:00,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:20:00,366 INFO L82 PathProgramCache]: Analyzing trace with hash -881620425, now seen corresponding path program 1 times [2021-10-24 11:20:00,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:20:00,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159558182] [2021-10-24 11:20:00,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:20:00,367 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:20:00,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:20:00,368 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:20:00,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 11:20:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:20:00,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:20:00,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:20:00,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:20:00,732 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:20:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:20:00,875 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:20:00,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159558182] [2021-10-24 11:20:00,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159558182] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:20:00,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:20:00,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 11:20:00,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775334776] [2021-10-24 11:20:00,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 11:20:00,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:20:00,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 11:20:00,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 11:20:00,879 INFO L87 Difference]: Start difference. First operand 336 states and 451 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:20:03,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:20:03,907 INFO L93 Difference]: Finished difference Result 1402 states and 1860 transitions. [2021-10-24 11:20:03,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 11:20:03,908 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-24 11:20:03,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:20:03,940 INFO L225 Difference]: With dead ends: 1402 [2021-10-24 11:20:03,940 INFO L226 Difference]: Without dead ends: 1072 [2021-10-24 11:20:03,942 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 178.1ms TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2021-10-24 11:20:03,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2021-10-24 11:20:03,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 336. [2021-10-24 11:20:04,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 335 states have (on average 1.3223880597014925) internal successors, (443), 335 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:20:04,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 443 transitions. [2021-10-24 11:20:04,004 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 443 transitions. Word has length 35 [2021-10-24 11:20:04,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:20:04,004 INFO L470 AbstractCegarLoop]: Abstraction has 336 states and 443 transitions. [2021-10-24 11:20:04,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:20:04,005 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 443 transitions. [2021-10-24 11:20:04,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-24 11:20:04,006 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:20:04,006 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:20:04,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 11:20:04,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:20:04,219 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:20:04,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:20:04,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1734965659, now seen corresponding path program 1 times [2021-10-24 11:20:04,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:20:04,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2125818728] [2021-10-24 11:20:04,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:20:04,220 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:20:04,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:20:04,221 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:20:04,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 11:20:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:20:04,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:20:04,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:20:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:20:04,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:20:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:20:05,045 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:20:05,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2125818728] [2021-10-24 11:20:05,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2125818728] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:20:05,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1214883831] [2021-10-24 11:20:05,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:20:05,046 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:20:05,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:20:05,052 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:20:05,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-24 11:20:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:20:05,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-24 11:20:05,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:20:05,749 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:20:05,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:20:05,958 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:20:05,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1214883831] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:20:05,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314855881] [2021-10-24 11:20:05,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:20:05,958 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 11:20:05,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:20:05,963 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 11:20:05,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-24 11:20:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:20:06,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:20:06,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:20:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:20:06,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:20:06,714 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:20:06,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314855881] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:20:06,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 11:20:06,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 8 [2021-10-24 11:20:06,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237747980] [2021-10-24 11:20:06,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-24 11:20:06,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:20:06,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-24 11:20:06,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:20:06,716 INFO L87 Difference]: Start difference. First operand 336 states and 443 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:20:10,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:20:10,325 INFO L93 Difference]: Finished difference Result 3719 states and 4896 transitions. [2021-10-24 11:20:10,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-24 11:20:10,326 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-24 11:20:10,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:20:10,346 INFO L225 Difference]: With dead ends: 3719 [2021-10-24 11:20:10,346 INFO L226 Difference]: Without dead ends: 3389 [2021-10-24 11:20:10,347 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 226.4ms TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2021-10-24 11:20:10,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3389 states. [2021-10-24 11:20:10,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3389 to 881. [2021-10-24 11:20:10,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 880 states have (on average 1.3420454545454545) internal successors, (1181), 880 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:20:10,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1181 transitions. [2021-10-24 11:20:10,521 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1181 transitions. Word has length 56 [2021-10-24 11:20:10,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:20:10,521 INFO L470 AbstractCegarLoop]: Abstraction has 881 states and 1181 transitions. [2021-10-24 11:20:10,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:20:10,522 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1181 transitions. [2021-10-24 11:20:10,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-24 11:20:10,523 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:20:10,523 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:20:10,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-24 11:20:10,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-24 11:20:10,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 11:20:11,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:20:11,150 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:20:11,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:20:11,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1033901081, now seen corresponding path program 1 times [2021-10-24 11:20:11,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:20:11,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216301667] [2021-10-24 11:20:11,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:20:11,151 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:20:11,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:20:11,152 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:20:11,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-24 11:20:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:20:11,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:20:11,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:20:11,696 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 11:20:11,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:20:11,819 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 11:20:11,819 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:20:11,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216301667] [2021-10-24 11:20:11,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1216301667] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:20:11,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:20:11,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 11:20:11,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624923744] [2021-10-24 11:20:11,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 11:20:11,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:20:11,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 11:20:11,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 11:20:11,821 INFO L87 Difference]: Start difference. First operand 881 states and 1181 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:20:11,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:20:11,966 INFO L93 Difference]: Finished difference Result 1447 states and 1900 transitions. [2021-10-24 11:20:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:20:11,967 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-24 11:20:11,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:20:11,968 INFO L225 Difference]: With dead ends: 1447 [2021-10-24 11:20:11,968 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 11:20:11,970 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 53.3ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-24 11:20:11,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 11:20:11,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 11:20:11,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:20:11,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 11:20:11,971 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-24 11:20:11,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:20:11,972 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 11:20:11,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:20:11,972 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 11:20:11,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 11:20:11,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:20:11,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:20:11,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:20:11,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-24 11:20:12,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:20:12,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 11:20:12,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:12,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:12,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:12,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:13,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:13,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:13,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:13,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:13,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:13,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:13,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:13,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:13,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:13,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:13,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:13,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:14,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:15,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:15,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:15,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:15,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:15,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:15,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:15,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:15,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:15,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:15,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:15,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:15,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:16,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:16,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:16,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:16,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:16,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:20:29,572 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 661) no Hoare annotation was computed. [2021-10-24 11:20:29,572 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 704) no Hoare annotation was computed. [2021-10-24 11:20:29,573 INFO L853 garLoopResultBuilder]: At program point L698-1(lines 698 704) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse6))) [2021-10-24 11:20:29,573 INFO L853 garLoopResultBuilder]: At program point L203(lines 198 206) the Hoare annotation is: false [2021-10-24 11:20:29,573 INFO L853 garLoopResultBuilder]: At program point L203-1(lines 198 206) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3))) [2021-10-24 11:20:29,573 INFO L853 garLoopResultBuilder]: At program point L203-2(lines 198 206) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse5 .cse6 .cse4) (and .cse0 .cse7 .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 .cse7 .cse1 .cse2 .cse4) (and .cse0 .cse7 .cse5 .cse6 .cse4))) [2021-10-24 11:20:29,574 INFO L853 garLoopResultBuilder]: At program point L203-3(lines 198 206) the Hoare annotation is: false [2021-10-24 11:20:29,574 INFO L853 garLoopResultBuilder]: At program point L203-4(lines 198 206) the Hoare annotation is: false [2021-10-24 11:20:29,574 INFO L853 garLoopResultBuilder]: At program point L203-5(lines 198 206) the Hoare annotation is: false [2021-10-24 11:20:29,574 INFO L853 garLoopResultBuilder]: At program point L203-6(lines 198 206) the Hoare annotation is: false [2021-10-24 11:20:29,574 INFO L853 garLoopResultBuilder]: At program point L203-7(lines 198 206) the Hoare annotation is: false [2021-10-24 11:20:29,574 INFO L853 garLoopResultBuilder]: At program point L203-8(lines 198 206) the Hoare annotation is: false [2021-10-24 11:20:29,575 INFO L853 garLoopResultBuilder]: At program point L930(lines 915 933) the Hoare annotation is: false [2021-10-24 11:20:29,575 INFO L853 garLoopResultBuilder]: At program point L930-1(lines 915 933) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse7 .cse8 .cse5 .cse3 .cse9 .cse4) (and .cse0 .cse6 .cse2 .cse7 .cse8 .cse3 .cse9 .cse4))) [2021-10-24 11:20:29,575 INFO L853 garLoopResultBuilder]: At program point L930-2(lines 915 933) the Hoare annotation is: false [2021-10-24 11:20:29,575 INFO L853 garLoopResultBuilder]: At program point L930-3(lines 915 933) the Hoare annotation is: false [2021-10-24 11:20:29,575 INFO L853 garLoopResultBuilder]: At program point L930-4(lines 915 933) the Hoare annotation is: false [2021-10-24 11:20:29,575 INFO L853 garLoopResultBuilder]: At program point L930-5(lines 915 933) the Hoare annotation is: false [2021-10-24 11:20:29,576 INFO L853 garLoopResultBuilder]: At program point L866(lines 859 869) the Hoare annotation is: false [2021-10-24 11:20:29,576 INFO L853 garLoopResultBuilder]: At program point L866-1(lines 859 869) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3))) [2021-10-24 11:20:29,576 INFO L853 garLoopResultBuilder]: At program point L866-2(lines 859 869) the Hoare annotation is: false [2021-10-24 11:20:29,576 INFO L853 garLoopResultBuilder]: At program point L866-3(lines 859 869) the Hoare annotation is: false [2021-10-24 11:20:29,576 INFO L853 garLoopResultBuilder]: At program point L866-4(lines 859 869) the Hoare annotation is: false [2021-10-24 11:20:29,576 INFO L853 garLoopResultBuilder]: At program point L866-5(lines 859 869) the Hoare annotation is: false [2021-10-24 11:20:29,577 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-24 11:20:29,577 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-24 11:20:29,577 INFO L853 garLoopResultBuilder]: At program point L999(lines 1 1010) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:20:29,577 INFO L857 garLoopResultBuilder]: For program point L273(lines 273 286) no Hoare annotation was computed. [2021-10-24 11:20:29,577 INFO L853 garLoopResultBuilder]: At program point L273-1(lines 1 1010) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse9 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse4) (and .cse0 .cse1 .cse2 .cse8 .cse9 .cse3) (and .cse0 .cse1 .cse2 .cse8 .cse9 .cse4) (and .cse0 .cse2 .cse8 .cse9 .cse5 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse7 .cse4))) [2021-10-24 11:20:29,578 INFO L857 garLoopResultBuilder]: For program point L273-2(lines 273 286) no Hoare annotation was computed. [2021-10-24 11:20:29,578 INFO L853 garLoopResultBuilder]: At program point L273-3(lines 1 1010) the Hoare annotation is: false [2021-10-24 11:20:29,578 INFO L857 garLoopResultBuilder]: For program point L273-4(lines 273 286) no Hoare annotation was computed. [2021-10-24 11:20:29,578 INFO L853 garLoopResultBuilder]: At program point L273-5(lines 1 1010) the Hoare annotation is: false [2021-10-24 11:20:29,578 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 661) no Hoare annotation was computed. [2021-10-24 11:20:29,578 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 821) no Hoare annotation was computed. [2021-10-24 11:20:29,579 INFO L857 garLoopResultBuilder]: For program point L804-1(lines 804 821) no Hoare annotation was computed. [2021-10-24 11:20:29,579 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 821) no Hoare annotation was computed. [2021-10-24 11:20:29,579 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 249) no Hoare annotation was computed. [2021-10-24 11:20:29,579 INFO L857 garLoopResultBuilder]: For program point L243-1(lines 243 249) no Hoare annotation was computed. [2021-10-24 11:20:29,579 INFO L857 garLoopResultBuilder]: For program point L243-2(lines 243 249) no Hoare annotation was computed. [2021-10-24 11:20:29,579 INFO L857 garLoopResultBuilder]: For program point L243-3(lines 243 249) no Hoare annotation was computed. [2021-10-24 11:20:29,579 INFO L857 garLoopResultBuilder]: For program point L243-4(lines 243 249) no Hoare annotation was computed. [2021-10-24 11:20:29,580 INFO L857 garLoopResultBuilder]: For program point L243-5(lines 243 249) no Hoare annotation was computed. [2021-10-24 11:20:29,580 INFO L857 garLoopResultBuilder]: For program point L277(lines 277 283) no Hoare annotation was computed. [2021-10-24 11:20:29,580 INFO L857 garLoopResultBuilder]: For program point L277-2(lines 277 283) no Hoare annotation was computed. [2021-10-24 11:20:29,580 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 182) no Hoare annotation was computed. [2021-10-24 11:20:29,580 INFO L857 garLoopResultBuilder]: For program point L277-4(lines 277 283) no Hoare annotation was computed. [2021-10-24 11:20:29,580 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:20:29,581 INFO L857 garLoopResultBuilder]: For program point L708(lines 708 723) no Hoare annotation was computed. [2021-10-24 11:20:29,581 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 847) no Hoare annotation was computed. [2021-10-24 11:20:29,581 INFO L857 garLoopResultBuilder]: For program point L808(lines 808 816) no Hoare annotation was computed. [2021-10-24 11:20:29,581 INFO L857 garLoopResultBuilder]: For program point L841-2(lines 841 847) no Hoare annotation was computed. [2021-10-24 11:20:29,581 INFO L857 garLoopResultBuilder]: For program point L808-1(lines 808 816) no Hoare annotation was computed. [2021-10-24 11:20:29,581 INFO L857 garLoopResultBuilder]: For program point L808-2(lines 808 816) no Hoare annotation was computed. [2021-10-24 11:20:29,581 INFO L857 garLoopResultBuilder]: For program point L841-4(lines 841 847) no Hoare annotation was computed. [2021-10-24 11:20:29,581 INFO L857 garLoopResultBuilder]: For program point L841-6(lines 841 847) no Hoare annotation was computed. [2021-10-24 11:20:29,582 INFO L857 garLoopResultBuilder]: For program point L841-8(lines 841 847) no Hoare annotation was computed. [2021-10-24 11:20:29,582 INFO L857 garLoopResultBuilder]: For program point L841-10(lines 841 847) no Hoare annotation was computed. [2021-10-24 11:20:29,582 INFO L853 garLoopResultBuilder]: At program point L1007(lines 1002 1010) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:20:29,582 INFO L853 garLoopResultBuilder]: At program point L875(lines 870 878) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3 .cse4))) [2021-10-24 11:20:29,582 INFO L853 garLoopResultBuilder]: At program point L875-1(lines 870 878) the Hoare annotation is: false [2021-10-24 11:20:29,582 INFO L853 garLoopResultBuilder]: At program point L875-2(lines 870 878) the Hoare annotation is: false [2021-10-24 11:20:29,583 INFO L853 garLoopResultBuilder]: At program point L248(lines 239 252) the Hoare annotation is: false [2021-10-24 11:20:29,583 INFO L853 garLoopResultBuilder]: At program point L248-1(lines 239 252) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse7 .cse3 .cse4) (and .cse0 .cse6 .cse7 .cse5 .cse3 .cse4))) [2021-10-24 11:20:29,583 INFO L853 garLoopResultBuilder]: At program point L248-2(lines 239 252) the Hoare annotation is: false [2021-10-24 11:20:29,583 INFO L853 garLoopResultBuilder]: At program point L248-3(lines 239 252) the Hoare annotation is: false [2021-10-24 11:20:29,583 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-24 11:20:29,583 INFO L853 garLoopResultBuilder]: At program point L248-4(lines 239 252) the Hoare annotation is: false [2021-10-24 11:20:29,584 INFO L853 garLoopResultBuilder]: At program point L248-5(lines 239 252) the Hoare annotation is: false [2021-10-24 11:20:29,584 INFO L857 garLoopResultBuilder]: For program point L943(lines 943 947) no Hoare annotation was computed. [2021-10-24 11:20:29,584 INFO L857 garLoopResultBuilder]: For program point L943-2(lines 943 947) no Hoare annotation was computed. [2021-10-24 11:20:29,584 INFO L857 garLoopResultBuilder]: For program point L943-3(lines 943 947) no Hoare annotation was computed. [2021-10-24 11:20:29,584 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 795) no Hoare annotation was computed. [2021-10-24 11:20:29,584 INFO L857 garLoopResultBuilder]: For program point L943-5(lines 943 947) no Hoare annotation was computed. [2021-10-24 11:20:29,584 INFO L857 garLoopResultBuilder]: For program point L778-1(lines 778 795) no Hoare annotation was computed. [2021-10-24 11:20:29,585 INFO L857 garLoopResultBuilder]: For program point L943-6(lines 943 947) no Hoare annotation was computed. [2021-10-24 11:20:29,585 INFO L857 garLoopResultBuilder]: For program point L778-2(lines 778 795) no Hoare annotation was computed. [2021-10-24 11:20:29,585 INFO L857 garLoopResultBuilder]: For program point L679(lines 678 727) no Hoare annotation was computed. [2021-10-24 11:20:29,585 INFO L857 garLoopResultBuilder]: For program point L778-3(lines 778 795) no Hoare annotation was computed. [2021-10-24 11:20:29,585 INFO L857 garLoopResultBuilder]: For program point L943-8(lines 943 947) no Hoare annotation was computed. [2021-10-24 11:20:29,585 INFO L857 garLoopResultBuilder]: For program point L778-4(lines 778 795) no Hoare annotation was computed. [2021-10-24 11:20:29,585 INFO L857 garLoopResultBuilder]: For program point L778-5(lines 778 795) no Hoare annotation was computed. [2021-10-24 11:20:29,586 INFO L853 garLoopResultBuilder]: At program point L746(lines 745 764) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5) (and .cse0 .cse1 .cse2 .cse5) (and .cse0 .cse2 .cse6 .cse3) (and .cse0 .cse4 .cse6 .cse5) (and .cse0 .cse2 .cse6 .cse5))) [2021-10-24 11:20:29,586 INFO L857 garLoopResultBuilder]: For program point L746-1(lines 746 752) no Hoare annotation was computed. [2021-10-24 11:20:29,586 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 684) no Hoare annotation was computed. [2021-10-24 11:20:29,586 INFO L853 garLoopResultBuilder]: At program point L746-2(lines 745 764) the Hoare annotation is: false [2021-10-24 11:20:29,586 INFO L853 garLoopResultBuilder]: At program point L746-3(lines 745 764) the Hoare annotation is: false [2021-10-24 11:20:29,586 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 11:20:29,587 INFO L857 garLoopResultBuilder]: For program point L782(lines 782 790) no Hoare annotation was computed. [2021-10-24 11:20:29,587 INFO L857 garLoopResultBuilder]: For program point L782-1(lines 782 790) no Hoare annotation was computed. [2021-10-24 11:20:29,587 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 722) no Hoare annotation was computed. [2021-10-24 11:20:29,587 INFO L857 garLoopResultBuilder]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2021-10-24 11:20:29,587 INFO L853 garLoopResultBuilder]: At program point L716-1(lines 746 752) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse6))) [2021-10-24 11:20:29,587 INFO L857 garLoopResultBuilder]: For program point L782-3(lines 782 790) no Hoare annotation was computed. [2021-10-24 11:20:29,587 INFO L857 garLoopResultBuilder]: For program point L782-4(lines 782 790) no Hoare annotation was computed. [2021-10-24 11:20:29,588 INFO L857 garLoopResultBuilder]: For program point L782-5(lines 782 790) no Hoare annotation was computed. [2021-10-24 11:20:29,588 INFO L853 garLoopResultBuilder]: At program point L949(lines 934 952) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse6))) [2021-10-24 11:20:29,588 INFO L853 garLoopResultBuilder]: At program point L949-1(lines 934 952) the Hoare annotation is: false [2021-10-24 11:20:29,588 INFO L853 garLoopResultBuilder]: At program point L949-2(lines 934 952) the Hoare annotation is: false [2021-10-24 11:20:29,588 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 11:20:29,588 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 194) no Hoare annotation was computed. [2021-10-24 11:20:29,589 INFO L853 garLoopResultBuilder]: At program point L753(lines 753 759) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-24 11:20:29,589 INFO L853 garLoopResultBuilder]: At program point L753-1(lines 753 759) the Hoare annotation is: false [2021-10-24 11:20:29,589 INFO L853 garLoopResultBuilder]: At program point L753-2(lines 753 759) the Hoare annotation is: false [2021-10-24 11:20:29,589 INFO L853 garLoopResultBuilder]: At program point L258(lines 253 261) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse3))) [2021-10-24 11:20:29,589 INFO L853 garLoopResultBuilder]: At program point L258-1(lines 253 261) the Hoare annotation is: false [2021-10-24 11:20:29,589 INFO L853 garLoopResultBuilder]: At program point L258-2(lines 253 261) the Hoare annotation is: false [2021-10-24 11:20:29,590 INFO L857 garLoopResultBuilder]: For program point L688(lines 688 694) no Hoare annotation was computed. [2021-10-24 11:20:29,590 INFO L853 garLoopResultBuilder]: At program point L688-1(lines 688 694) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse9 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse4) (and .cse0 .cse1 .cse2 .cse8 .cse9 .cse3) (and .cse0 .cse1 .cse2 .cse8 .cse9 .cse4) (and .cse0 .cse2 .cse8 .cse9 .cse5 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse7 .cse4))) [2021-10-24 11:20:29,590 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 11:20:29,590 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-24 11:20:29,590 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-24 11:20:29,590 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 11:20:29,590 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 963) no Hoare annotation was computed. [2021-10-24 11:20:29,591 INFO L853 garLoopResultBuilder]: At program point L957-1(lines 957 963) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse5 .cse3))) [2021-10-24 11:20:29,591 INFO L857 garLoopResultBuilder]: For program point L924(lines 924 928) no Hoare annotation was computed. [2021-10-24 11:20:29,591 INFO L857 garLoopResultBuilder]: For program point L924-2(lines 924 928) no Hoare annotation was computed. [2021-10-24 11:20:29,591 INFO L857 garLoopResultBuilder]: For program point L924-3(lines 924 928) no Hoare annotation was computed. [2021-10-24 11:20:29,591 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 661) no Hoare annotation was computed. [2021-10-24 11:20:29,591 INFO L857 garLoopResultBuilder]: For program point L924-5(lines 924 928) no Hoare annotation was computed. [2021-10-24 11:20:29,592 INFO L857 garLoopResultBuilder]: For program point L924-6(lines 924 928) no Hoare annotation was computed. [2021-10-24 11:20:29,592 INFO L857 garLoopResultBuilder]: For program point L924-8(lines 924 928) no Hoare annotation was computed. [2021-10-24 11:20:29,592 INFO L857 garLoopResultBuilder]: For program point L924-9(lines 924 928) no Hoare annotation was computed. [2021-10-24 11:20:29,592 INFO L857 garLoopResultBuilder]: For program point L924-11(lines 924 928) no Hoare annotation was computed. [2021-10-24 11:20:29,592 INFO L857 garLoopResultBuilder]: For program point L924-12(lines 924 928) no Hoare annotation was computed. [2021-10-24 11:20:29,592 INFO L857 garLoopResultBuilder]: For program point L924-14(lines 924 928) no Hoare annotation was computed. [2021-10-24 11:20:29,592 INFO L857 garLoopResultBuilder]: For program point L924-15(lines 924 928) no Hoare annotation was computed. [2021-10-24 11:20:29,593 INFO L857 garLoopResultBuilder]: For program point L924-17(lines 924 928) no Hoare annotation was computed. [2021-10-24 11:20:29,593 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-24 11:20:29,593 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 746 752) no Hoare annotation was computed. [2021-10-24 11:20:29,593 INFO L857 garLoopResultBuilder]: For program point L661(line 661) no Hoare annotation was computed. [2021-10-24 11:20:29,593 INFO L857 garLoopResultBuilder]: For program point L661-1(line 661) no Hoare annotation was computed. [2021-10-24 11:20:29,593 INFO L857 garLoopResultBuilder]: For program point L661-2(line 661) no Hoare annotation was computed. [2021-10-24 11:20:29,593 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 170) no Hoare annotation was computed. [2021-10-24 11:20:29,593 INFO L857 garLoopResultBuilder]: For program point L166-3(lines 166 170) no Hoare annotation was computed. [2021-10-24 11:20:29,594 INFO L857 garLoopResultBuilder]: For program point L166-6(lines 166 170) no Hoare annotation was computed. [2021-10-24 11:20:29,594 INFO L853 garLoopResultBuilder]: At program point L728(lines 677 729) the Hoare annotation is: false [2021-10-24 11:20:29,598 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:20:29,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:20:29 BoogieIcfgContainer [2021-10-24 11:20:29,632 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:20:29,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:20:29,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:20:29,634 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:20:29,634 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:19:53" (3/4) ... [2021-10-24 11:20:29,637 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:20:29,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 11:20:29,660 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 11:20:29,662 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 11:20:29,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 11:20:29,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 11:20:29,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:20:29,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:20:29,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 11:20:29,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 11:20:29,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:20:29,695 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:20:29,697 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:20:29,698 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) [2021-10-24 11:20:29,699 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 11:20:29,699 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:20:29,700 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) || (((((((splverifierCounter == 0bv32 && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) [2021-10-24 11:20:29,700 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 11:20:29,703 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 11:20:29,703 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 11:20:29,760 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:20:29,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:20:29,761 INFO L168 Benchmark]: Toolchain (without parser) took 39621.50 ms. Allocated memory was 79.7 MB in the beginning and 192.9 MB in the end (delta: 113.2 MB). Free memory was 57.0 MB in the beginning and 148.5 MB in the end (delta: -91.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2021-10-24 11:20:29,762 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory was 30.1 MB in the beginning and 30.1 MB in the end (delta: 40.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:20:29,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.39 ms. Allocated memory is still 79.7 MB. Free memory was 56.9 MB in the beginning and 47.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-24 11:20:29,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.17 ms. Allocated memory is still 79.7 MB. Free memory was 47.9 MB in the beginning and 43.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:20:29,763 INFO L168 Benchmark]: Boogie Preprocessor took 51.52 ms. Allocated memory is still 79.7 MB. Free memory was 43.8 MB in the beginning and 40.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:20:29,764 INFO L168 Benchmark]: RCFGBuilder took 2457.86 ms. Allocated memory was 79.7 MB in the beginning and 109.1 MB in the end (delta: 29.4 MB). Free memory was 40.9 MB in the beginning and 88.7 MB in the end (delta: -47.8 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:20:29,764 INFO L168 Benchmark]: TraceAbstraction took 36120.75 ms. Allocated memory was 109.1 MB in the beginning and 192.9 MB in the end (delta: 83.9 MB). Free memory was 88.1 MB in the beginning and 160.0 MB in the end (delta: -71.9 MB). Peak memory consumption was 120.0 MB. Max. memory is 16.1 GB. [2021-10-24 11:20:29,764 INFO L168 Benchmark]: Witness Printer took 126.89 ms. Allocated memory is still 192.9 MB. Free memory was 160.0 MB in the beginning and 148.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:20:29,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory was 30.1 MB in the beginning and 30.1 MB in the end (delta: 40.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 759.39 ms. Allocated memory is still 79.7 MB. Free memory was 56.9 MB in the beginning and 47.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.17 ms. Allocated memory is still 79.7 MB. Free memory was 47.9 MB in the beginning and 43.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.52 ms. Allocated memory is still 79.7 MB. Free memory was 43.8 MB in the beginning and 40.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2457.86 ms. Allocated memory was 79.7 MB in the beginning and 109.1 MB in the end (delta: 29.4 MB). Free memory was 40.9 MB in the beginning and 88.7 MB in the end (delta: -47.8 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 36120.75 ms. Allocated memory was 109.1 MB in the beginning and 192.9 MB in the end (delta: 83.9 MB). Free memory was 88.1 MB in the beginning and 160.0 MB in the end (delta: -71.9 MB). Peak memory consumption was 120.0 MB. Max. memory is 16.1 GB. * Witness Printer took 126.89 ms. Allocated memory is still 192.9 MB. Free memory was 160.0 MB in the beginning and 148.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 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: 661]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 661]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 661]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 36024.1ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 32.4ms, AutomataDifference: 7738.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 17383.5ms, InitialAbstractionConstructionTime: 13.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1590 SDtfs, 2955 SDslu, 4261 SDs, 0 SdLazy, 543 SolverSat, 105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5744.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1000 GetRequests, 924 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 627.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=881occurred in iteration=11, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 498.5ms AutomataMinimizationTime, 12 MinimizatonAttempts, 4237 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 295 NumberOfFragments, 1154 HoareAnnotationTreeSize, 56 FomulaSimplifications, 4247980 FormulaSimplificationTreeSizeReduction, 4301.6ms HoareSimplificationTime, 56 FomulaSimplificationsInter, 3244382 FormulaSimplificationTreeSizeReductionInter, 13063.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 298.7ms SsaConstructionTime, 1584.5ms SatisfiabilityAnalysisTime, 3509.6ms InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 954 ConstructedInterpolants, 0 QuantifiedInterpolants, 1961 SizeOfPredicates, 34 NumberOfNonLiveVariables, 3045 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 76/112 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) || (((((((splverifierCounter == 0bv32 && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2021-10-24 11:20:29,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cddfeb04-2700-4441-a2c9-b940efb6c489/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...