./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.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_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/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_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/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_599bc196-3688-48f3-9f6d-1adbbd887ddf/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 aba011a2dee79947f4cca7910fc4583b21e1f3cb9acd1affa050aa7677352666 ............................................................................................................................................ 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_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/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_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/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_599bc196-3688-48f3-9f6d-1adbbd887ddf/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 aba011a2dee79947f4cca7910fc4583b21e1f3cb9acd1affa050aa7677352666 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:59:25,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:59:25,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:59:25,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:59:25,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:59:25,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:59:25,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:59:25,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:59:25,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:59:25,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:59:25,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:59:25,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:59:25,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:59:25,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:59:25,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:59:25,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:59:25,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:59:25,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:59:25,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:59:25,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:59:25,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:59:25,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:59:25,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:59:25,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:59:25,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:59:25,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:59:25,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:59:25,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:59:25,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:59:25,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:59:25,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:59:25,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:59:25,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:59:25,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:59:25,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:59:25,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:59:25,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:59:25,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:59:25,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:59:25,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:59:25,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:59:25,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 09:59:25,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:59:25,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:59:25,715 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:59:25,716 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:59:25,716 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:59:25,716 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:59:25,717 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 09:59:25,717 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:59:25,717 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:59:25,718 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 09:59:25,719 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 09:59:25,720 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:59:25,720 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 09:59:25,721 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 09:59:25,721 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 09:59:25,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:59:25,722 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:59:25,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 09:59:25,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:59:25,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:59:25,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:59:25,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:59:25,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:59:25,725 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:59:25,725 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:59:25,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:59:25,726 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:59:25,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:59:25,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:59:25,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:59:25,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:59:25,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:59:25,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:59:25,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:59:25,731 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 09:59:25,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 09:59:25,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:59:25,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:59:25,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:59:25,733 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_599bc196-3688-48f3-9f6d-1adbbd887ddf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aba011a2dee79947f4cca7910fc4583b21e1f3cb9acd1affa050aa7677352666 [2021-10-24 09:59:26,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:59:26,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:59:26,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:59:26,242 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:59:26,243 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:59:26,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2021-10-24 09:59:26,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/data/1f652aa5b/d7ea4e99b51a492cbba8e972dd7192b3/FLAG6384ab5ba [2021-10-24 09:59:27,276 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:59:27,284 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2021-10-24 09:59:27,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/data/1f652aa5b/d7ea4e99b51a492cbba8e972dd7192b3/FLAG6384ab5ba [2021-10-24 09:59:27,470 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/data/1f652aa5b/d7ea4e99b51a492cbba8e972dd7192b3 [2021-10-24 09:59:27,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:59:27,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:59:27,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:59:27,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:59:27,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:59:27,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:59:27" (1/1) ... [2021-10-24 09:59:27,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e1eebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:27, skipping insertion in model container [2021-10-24 09:59:27,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:59:27" (1/1) ... [2021-10-24 09:59:27,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:59:27,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:59:27,824 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1605,1618] [2021-10-24 09:59:28,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:59:28,082 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 09:59:28,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@547493b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:28, skipping insertion in model container [2021-10-24 09:59:28,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:59:28,084 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 09:59:28,087 INFO L168 Benchmark]: Toolchain (without parser) took 609.44 ms. Allocated memory is still 104.9 MB. Free memory was 66.8 MB in the beginning and 77.1 MB in the end (delta: -10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 09:59:28,089 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 104.9 MB. Free memory is still 83.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:59:28,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.22 ms. Allocated memory is still 104.9 MB. Free memory was 66.5 MB in the beginning and 77.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 09:59:28,093 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 104.9 MB. Free memory is still 83.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 604.22 ms. Allocated memory is still 104.9 MB. Free memory was 66.5 MB in the beginning and 77.1 MB in the end (delta: -10.6 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: 337]: 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 09:59:31,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:59:31,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:59:31,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:59:31,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:59:31,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:59:31,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:59:31,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:59:31,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:59:31,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:59:31,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:59:31,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:59:31,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:59:31,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:59:31,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:59:31,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:59:31,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:59:31,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:59:31,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:59:31,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:59:31,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:59:31,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:59:31,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:59:31,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:59:31,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:59:31,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:59:31,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:59:31,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:59:31,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:59:31,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:59:31,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:59:31,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:59:31,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:59:31,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:59:31,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:59:31,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:59:31,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:59:31,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:59:31,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:59:31,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:59:31,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:59:31,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 09:59:31,816 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:59:31,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:59:31,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:59:31,819 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:59:31,820 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:59:31,820 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:59:31,821 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:59:31,821 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:59:31,822 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:59:31,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:59:31,826 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:59:31,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:59:31,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:59:31,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:59:31,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:59:31,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:59:31,829 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:59:31,829 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 09:59:31,830 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 09:59:31,830 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:59:31,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:59:31,831 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:59:31,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:59:31,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:59:31,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 09:59:31,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:59:31,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:59:31,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:59:31,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:59:31,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:59:31,836 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 09:59:31,836 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 09:59:31,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:59:31,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:59:31,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:59:31,838 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_599bc196-3688-48f3-9f6d-1adbbd887ddf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aba011a2dee79947f4cca7910fc4583b21e1f3cb9acd1affa050aa7677352666 [2021-10-24 09:59:32,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:59:32,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:59:32,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:59:32,568 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:59:32,569 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:59:32,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2021-10-24 09:59:32,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/data/81e31c236/9d8226ae8ec448ef8ecd2ce24a1e0f95/FLAG5d2497d78 [2021-10-24 09:59:33,559 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:59:33,560 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2021-10-24 09:59:33,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/data/81e31c236/9d8226ae8ec448ef8ecd2ce24a1e0f95/FLAG5d2497d78 [2021-10-24 09:59:33,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/data/81e31c236/9d8226ae8ec448ef8ecd2ce24a1e0f95 [2021-10-24 09:59:33,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:59:33,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:59:33,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:59:33,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:59:33,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:59:33,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:59:33" (1/1) ... [2021-10-24 09:59:33,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a129032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:33, skipping insertion in model container [2021-10-24 09:59:33,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:59:33" (1/1) ... [2021-10-24 09:59:33,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:59:33,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:59:34,163 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_599bc196-3688-48f3-9f6d-1adbbd887ddf/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1605,1618] [2021-10-24 09:59:34,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:59:34,399 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 09:59:34,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:59:34,429 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_599bc196-3688-48f3-9f6d-1adbbd887ddf/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1605,1618] [2021-10-24 09:59:34,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:59:34,624 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 09:59:34,652 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_599bc196-3688-48f3-9f6d-1adbbd887ddf/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1605,1618] [2021-10-24 09:59:34,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:59:34,854 INFO L208 MainTranslator]: Completed translation [2021-10-24 09:59:34,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:34 WrapperNode [2021-10-24 09:59:34,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:59:34,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 09:59:34,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 09:59:34,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 09:59:34,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:34" (1/1) ... [2021-10-24 09:59:34,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:34" (1/1) ... [2021-10-24 09:59:35,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 09:59:35,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 09:59:35,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 09:59:35,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 09:59:35,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:34" (1/1) ... [2021-10-24 09:59:35,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:34" (1/1) ... [2021-10-24 09:59:35,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:34" (1/1) ... [2021-10-24 09:59:35,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:34" (1/1) ... [2021-10-24 09:59:35,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:34" (1/1) ... [2021-10-24 09:59:35,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:34" (1/1) ... [2021-10-24 09:59:35,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:34" (1/1) ... [2021-10-24 09:59:35,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 09:59:35,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 09:59:35,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 09:59:35,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 09:59:35,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:34" (1/1) ... [2021-10-24 09:59:35,165 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:59:35,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 09:59:35,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 09:59:35,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 09:59:35,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 09:59:35,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 09:59:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 09:59:35,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 09:59:38,949 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 09:59:38,950 INFO L299 CfgBuilder]: Removed 206 assume(true) statements. [2021-10-24 09:59:38,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:59:38 BoogieIcfgContainer [2021-10-24 09:59:38,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 09:59:38,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 09:59:38,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 09:59:38,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 09:59:38,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:59:33" (1/3) ... [2021-10-24 09:59:38,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a3b71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:59:38, skipping insertion in model container [2021-10-24 09:59:38,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:34" (2/3) ... [2021-10-24 09:59:38,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a3b71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:59:38, skipping insertion in model container [2021-10-24 09:59:38,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:59:38" (3/3) ... [2021-10-24 09:59:38,965 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2021-10-24 09:59:38,973 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 09:59:38,973 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 09:59:39,047 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 09:59:39,057 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 09:59:39,057 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 09:59:39,085 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 140 states have (on average 1.5214285714285714) internal successors, (213), 143 states have internal predecessors, (213), 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 09:59:39,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 09:59:39,094 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:59:39,096 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:59:39,096 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 09:59:39,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:59:39,106 INFO L82 PathProgramCache]: Analyzing trace with hash -947048074, now seen corresponding path program 1 times [2021-10-24 09:59:39,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:59:39,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577363770] [2021-10-24 09:59:39,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:39,129 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:59:39,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:59:39,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:59:39,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 09:59:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:39,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 09:59:39,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:39,616 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 09:59:39,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:39,715 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 09:59:39,717 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:59:39,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577363770] [2021-10-24 09:59:39,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [577363770] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:59:39,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:59:39,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 09:59:39,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119385535] [2021-10-24 09:59:39,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 09:59:39,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:59:39,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 09:59:39,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 09:59:39,756 INFO L87 Difference]: Start difference. First operand has 144 states, 140 states have (on average 1.5214285714285714) internal successors, (213), 143 states have internal predecessors, (213), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 09:59:39,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:59:39,822 INFO L93 Difference]: Finished difference Result 281 states and 418 transitions. [2021-10-24 09:59:39,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 09:59:39,824 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 19 [2021-10-24 09:59:39,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:59:39,860 INFO L225 Difference]: With dead ends: 281 [2021-10-24 09:59:39,860 INFO L226 Difference]: Without dead ends: 140 [2021-10-24 09:59:39,865 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 09:59:39,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-24 09:59:39,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2021-10-24 09:59:39,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 137 states have (on average 1.467153284671533) internal successors, (201), 139 states have internal predecessors, (201), 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 09:59:39,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 201 transitions. [2021-10-24 09:59:39,932 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 201 transitions. Word has length 19 [2021-10-24 09:59:39,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:59:39,933 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 201 transitions. [2021-10-24 09:59:39,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 09:59:39,934 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2021-10-24 09:59:39,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-24 09:59:39,936 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:59:39,936 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] [2021-10-24 09:59:39,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 09:59:40,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:59:40,150 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 09:59:40,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:59:40,152 INFO L82 PathProgramCache]: Analyzing trace with hash 858971479, now seen corresponding path program 1 times [2021-10-24 09:59:40,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:59:40,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604891239] [2021-10-24 09:59:40,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:40,155 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:59:40,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:59:40,163 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:59:40,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 09:59:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:40,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:59:40,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:40,588 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 09:59:40,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:40,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:59:40,693 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:59:40,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604891239] [2021-10-24 09:59:40,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [604891239] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:59:40,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:59:40,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:59:40,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017685] [2021-10-24 09:59:40,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:59:40,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:59:40,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:59:40,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:59:40,708 INFO L87 Difference]: Start difference. First operand 140 states and 201 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:40,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:59:40,753 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2021-10-24 09:59:40,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:59:40,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-24 09:59:40,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:59:40,765 INFO L225 Difference]: With dead ends: 140 [2021-10-24 09:59:40,765 INFO L226 Difference]: Without dead ends: 57 [2021-10-24 09:59:40,767 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:59:40,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-24 09:59:40,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-24 09:59:40,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 56 states have internal predecessors, (81), 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 09:59:40,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2021-10-24 09:59:40,785 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2021-10-24 09:59:40,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:59:40,786 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2021-10-24 09:59:40,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:40,786 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2021-10-24 09:59:40,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 09:59:40,788 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:59:40,788 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 09:59:40,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 09:59:40,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:59:40,994 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 09:59:40,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:59:40,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1840859928, now seen corresponding path program 1 times [2021-10-24 09:59:40,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:59:40,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1751175607] [2021-10-24 09:59:40,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:40,997 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:59:40,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:59:40,999 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:59:41,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 09:59:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:41,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:59:41,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:41,462 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 09:59:41,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:41,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:59:41,598 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:59:41,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1751175607] [2021-10-24 09:59:41,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1751175607] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:59:41,599 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:59:41,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 09:59:41,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944745973] [2021-10-24 09:59:41,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:59:41,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:59:41,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:59:41,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:59:41,609 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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 09:59:41,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:59:41,639 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2021-10-24 09:59:41,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:59:41,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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 09:59:41,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:59:41,641 INFO L225 Difference]: With dead ends: 107 [2021-10-24 09:59:41,641 INFO L226 Difference]: Without dead ends: 57 [2021-10-24 09:59:41,642 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:59:41,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-24 09:59:41,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-24 09:59:41,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 56 states have internal predecessors, (80), 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 09:59:41,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2021-10-24 09:59:41,653 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 26 [2021-10-24 09:59:41,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:59:41,654 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2021-10-24 09:59:41,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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 09:59:41,654 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2021-10-24 09:59:41,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-24 09:59:41,656 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:59:41,656 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] [2021-10-24 09:59:41,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 09:59:41,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:59:41,871 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 09:59:41,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:59:41,872 INFO L82 PathProgramCache]: Analyzing trace with hash 655441665, now seen corresponding path program 1 times [2021-10-24 09:59:41,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:59:41,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486280754] [2021-10-24 09:59:41,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:41,874 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:59:41,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:59:41,875 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:59:41,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 09:59:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:42,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:59:42,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:42,286 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 09:59:42,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:42,367 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 09:59:42,367 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:59:42,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486280754] [2021-10-24 09:59:42,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1486280754] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:59:42,368 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:59:42,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 09:59:42,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519238116] [2021-10-24 09:59:42,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:59:42,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:59:42,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:59:42,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:59:42,371 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:42,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:59:42,461 INFO L93 Difference]: Finished difference Result 131 states and 187 transitions. [2021-10-24 09:59:42,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:59:42,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-24 09:59:42,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:59:42,463 INFO L225 Difference]: With dead ends: 131 [2021-10-24 09:59:42,464 INFO L226 Difference]: Without dead ends: 81 [2021-10-24 09:59:42,465 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:59:42,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-10-24 09:59:42,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2021-10-24 09:59:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 78 states have internal predecessors, (110), 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 09:59:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions. [2021-10-24 09:59:42,479 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 28 [2021-10-24 09:59:42,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:59:42,480 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions. [2021-10-24 09:59:42,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:42,480 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2021-10-24 09:59:42,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 09:59:42,482 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:59:42,482 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 09:59:42,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 09:59:42,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:59:42,696 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 09:59:42,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:59:42,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1335383949, now seen corresponding path program 1 times [2021-10-24 09:59:42,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:59:42,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730191006] [2021-10-24 09:59:42,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:42,699 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:59:42,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:59:42,701 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:59:42,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 09:59:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:43,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 09:59:43,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:43,345 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 09:59:43,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:43,467 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 09:59:43,468 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:59:43,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1730191006] [2021-10-24 09:59:43,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1730191006] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:59:43,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:59:43,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 09:59:43,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958199101] [2021-10-24 09:59:43,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:59:43,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:59:43,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:59:43,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:59:43,478 INFO L87 Difference]: Start difference. First operand 79 states and 110 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 09:59:43,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:59:43,758 INFO L93 Difference]: Finished difference Result 266 states and 375 transitions. [2021-10-24 09:59:43,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 09:59:43,759 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 09:59:43,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:59:43,764 INFO L225 Difference]: With dead ends: 266 [2021-10-24 09:59:43,765 INFO L226 Difference]: Without dead ends: 194 [2021-10-24 09:59:43,769 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 95.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 09:59:43,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-24 09:59:43,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 78. [2021-10-24 09:59:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 77 states have internal predecessors, (107), 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 09:59:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2021-10-24 09:59:43,809 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 34 [2021-10-24 09:59:43,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:59:43,810 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2021-10-24 09:59:43,810 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 09:59:43,810 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2021-10-24 09:59:43,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-24 09:59:43,816 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:59:43,817 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, 1, 1] [2021-10-24 09:59:43,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 09:59:44,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:59:44,031 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 09:59:44,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:59:44,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1094266678, now seen corresponding path program 1 times [2021-10-24 09:59:44,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:59:44,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25425372] [2021-10-24 09:59:44,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:44,036 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:59:44,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:59:44,038 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:59:44,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 09:59:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:44,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 09:59:44,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:44,602 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 09:59:44,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:59:44,732 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:59:44,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25425372] [2021-10-24 09:59:44,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25425372] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:59:44,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:59:44,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 09:59:44,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64192303] [2021-10-24 09:59:44,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:59:44,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:59:44,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:59:44,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:59:44,735 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 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 09:59:44,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:59:44,843 INFO L93 Difference]: Finished difference Result 198 states and 272 transitions. [2021-10-24 09:59:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 09:59:44,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 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 37 [2021-10-24 09:59:44,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:59:44,846 INFO L225 Difference]: With dead ends: 198 [2021-10-24 09:59:44,846 INFO L226 Difference]: Without dead ends: 127 [2021-10-24 09:59:44,847 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 48.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 09:59:44,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-24 09:59:44,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2021-10-24 09:59:44,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 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 09:59:44,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2021-10-24 09:59:44,862 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 37 [2021-10-24 09:59:44,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:59:44,862 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2021-10-24 09:59:44,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 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 09:59:44,863 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2021-10-24 09:59:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-24 09:59:44,865 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:59:44,865 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, 1, 1] [2021-10-24 09:59:44,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 09:59:45,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:59:45,079 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 09:59:45,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:59:45,079 INFO L82 PathProgramCache]: Analyzing trace with hash 83149428, now seen corresponding path program 1 times [2021-10-24 09:59:45,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:59:45,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1057398810] [2021-10-24 09:59:45,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:45,081 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:59:45,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:59:45,083 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:59:45,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 09:59:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:45,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 09:59:45,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:45,612 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 09:59:45,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:45,746 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 09:59:45,747 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:59:45,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1057398810] [2021-10-24 09:59:45,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1057398810] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:59:45,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:59:45,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 09:59:45,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104986486] [2021-10-24 09:59:45,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 09:59:45,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:59:45,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 09:59:45,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 09:59:45,750 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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 09:59:45,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:59:45,844 INFO L93 Difference]: Finished difference Result 215 states and 289 transitions. [2021-10-24 09:59:45,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 09:59:45,845 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-24 09:59:45,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:59:45,847 INFO L225 Difference]: With dead ends: 215 [2021-10-24 09:59:45,847 INFO L226 Difference]: Without dead ends: 138 [2021-10-24 09:59:45,850 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 37.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 09:59:45,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-10-24 09:59:45,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 88. [2021-10-24 09:59:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 87 states have internal predecessors, (117), 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 09:59:45,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2021-10-24 09:59:45,873 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 37 [2021-10-24 09:59:45,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:59:45,874 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2021-10-24 09:59:45,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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 09:59:45,875 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2021-10-24 09:59:45,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-24 09:59:45,882 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:59:45,882 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, 1, 1] [2021-10-24 09:59:45,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 09:59:46,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:59:46,095 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 09:59:46,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:59:46,095 INFO L82 PathProgramCache]: Analyzing trace with hash -937918926, now seen corresponding path program 1 times [2021-10-24 09:59:46,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:59:46,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939182870] [2021-10-24 09:59:46,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:46,097 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:59:46,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:59:46,099 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:59:46,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 09:59:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:46,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:59:46,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:46,679 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 09:59:46,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:46,869 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 09:59:46,870 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:59:46,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939182870] [2021-10-24 09:59:46,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [939182870] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:59:46,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:59:46,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 09:59:46,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983414409] [2021-10-24 09:59:46,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:59:46,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:59:46,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:59:46,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:59:46,873 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 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 09:59:46,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:59:46,972 INFO L93 Difference]: Finished difference Result 258 states and 347 transitions. [2021-10-24 09:59:46,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 09:59:46,973 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-24 09:59:46,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:59:46,976 INFO L225 Difference]: With dead ends: 258 [2021-10-24 09:59:46,976 INFO L226 Difference]: Without dead ends: 177 [2021-10-24 09:59:46,977 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:59:46,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-10-24 09:59:46,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 147. [2021-10-24 09:59:46,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 146 states have (on average 1.3424657534246576) internal successors, (196), 146 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:47,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 196 transitions. [2021-10-24 09:59:47,001 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 196 transitions. Word has length 37 [2021-10-24 09:59:47,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:59:47,001 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 196 transitions. [2021-10-24 09:59:47,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 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 09:59:47,002 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2021-10-24 09:59:47,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-24 09:59:47,003 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:59:47,004 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, 1, 1, 1] [2021-10-24 09:59:47,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 09:59:47,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:59:47,217 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 09:59:47,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:59:47,218 INFO L82 PathProgramCache]: Analyzing trace with hash 597879026, now seen corresponding path program 1 times [2021-10-24 09:59:47,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:59:47,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680005915] [2021-10-24 09:59:47,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:47,219 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:59:47,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:59:47,221 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:59:47,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 09:59:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:47,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 09:59:47,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:47,913 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 09:59:47,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:48,107 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 09:59:48,107 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:59:48,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680005915] [2021-10-24 09:59:48,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1680005915] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:59:48,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:59:48,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 09:59:48,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208704502] [2021-10-24 09:59:48,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 09:59:48,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:59:48,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 09:59:48,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 09:59:48,110 INFO L87 Difference]: Start difference. First operand 147 states and 196 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:50,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:59:50,242 INFO L93 Difference]: Finished difference Result 714 states and 962 transitions. [2021-10-24 09:59:50,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 09:59:50,243 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-24 09:59:50,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:59:50,249 INFO L225 Difference]: With dead ends: 714 [2021-10-24 09:59:50,249 INFO L226 Difference]: Without dead ends: 574 [2021-10-24 09:59:50,250 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 104.2ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-24 09:59:50,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2021-10-24 09:59:50,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 260. [2021-10-24 09:59:50,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 259 states have (on average 1.3204633204633205) internal successors, (342), 259 states have internal predecessors, (342), 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 09:59:50,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 342 transitions. [2021-10-24 09:59:50,301 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 342 transitions. Word has length 38 [2021-10-24 09:59:50,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:59:50,305 INFO L470 AbstractCegarLoop]: Abstraction has 260 states and 342 transitions. [2021-10-24 09:59:50,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:50,306 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 342 transitions. [2021-10-24 09:59:50,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-24 09:59:50,308 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:59:50,309 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2021-10-24 09:59:50,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 09:59:50,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:59:50,523 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 09:59:50,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:59:50,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1086391584, now seen corresponding path program 1 times [2021-10-24 09:59:50,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:59:50,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885911065] [2021-10-24 09:59:50,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:50,525 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:59:50,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:59:50,528 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:59:50,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 09:59:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:50,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 09:59:50,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:51,331 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-24 09:59:51,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:51,671 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-24 09:59:51,672 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:59:51,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885911065] [2021-10-24 09:59:51,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1885911065] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 09:59:51,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1853514104] [2021-10-24 09:59:51,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:51,673 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 09:59:51,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 09:59:51,679 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 09:59:51,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-24 09:59:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:52,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 09:59:52,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:52,477 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:59:52,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:59:52,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1853514104] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 09:59:52,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626099044] [2021-10-24 09:59:52,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:52,788 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 09:59:52,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 09:59:52,791 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 09:59:52,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-24 09:59:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:53,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 09:59:53,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:53,490 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:59:53,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:53,705 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:59:53,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626099044] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 09:59:53,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 09:59:53,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2021-10-24 09:59:53,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317574665] [2021-10-24 09:59:53,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-24 09:59:53,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:59:53,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-24 09:59:53,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-24 09:59:53,709 INFO L87 Difference]: Start difference. First operand 260 states and 342 transitions. Second operand has 14 states, 14 states have (on average 13.357142857142858) internal successors, (187), 14 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:00:07,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:00:07,459 INFO L93 Difference]: Finished difference Result 1929 states and 2658 transitions. [2021-10-24 10:00:07,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-24 10:00:07,460 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.357142857142858) internal successors, (187), 14 states have internal predecessors, (187), 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 61 [2021-10-24 10:00:07,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:00:07,476 INFO L225 Difference]: With dead ends: 1929 [2021-10-24 10:00:07,476 INFO L226 Difference]: Without dead ends: 1676 [2021-10-24 10:00:07,482 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2479 ImplicationChecksByTransitivity, 2460.0ms TimeCoverageRelationStatistics Valid=1297, Invalid=5843, Unknown=0, NotChecked=0, Total=7140 [2021-10-24 10:00:07,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2021-10-24 10:00:07,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 398. [2021-10-24 10:00:07,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 397 states have (on average 1.3073047858942066) internal successors, (519), 397 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:00:07,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 519 transitions. [2021-10-24 10:00:07,589 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 519 transitions. Word has length 61 [2021-10-24 10:00:07,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:00:07,590 INFO L470 AbstractCegarLoop]: Abstraction has 398 states and 519 transitions. [2021-10-24 10:00:07,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.357142857142858) internal successors, (187), 14 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:00:07,591 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 519 transitions. [2021-10-24 10:00:07,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-10-24 10:00:07,593 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:00:07,593 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:00:07,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2021-10-24 10:00:07,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-10-24 10:00:08,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:00:08,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:00:08,197 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 10:00:08,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:00:08,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1987997859, now seen corresponding path program 1 times [2021-10-24 10:00:08,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:00:08,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655718068] [2021-10-24 10:00:08,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:00:08,201 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:00:08,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:00:08,203 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:00:08,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-24 10:00:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:00:08,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:00:08,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:00:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-24 10:00:09,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:00:09,567 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-24 10:00:09,567 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:00:09,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655718068] [2021-10-24 10:00:09,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1655718068] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:00:09,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:00:09,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:00:09,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276424676] [2021-10-24 10:00:09,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:00:09,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:00:09,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:00:09,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:00:09,571 INFO L87 Difference]: Start difference. First operand 398 states and 519 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:00:09,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:00:09,670 INFO L93 Difference]: Finished difference Result 593 states and 763 transitions. [2021-10-24 10:00:09,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:00:09,671 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 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 109 [2021-10-24 10:00:09,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:00:09,671 INFO L225 Difference]: With dead ends: 593 [2021-10-24 10:00:09,672 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:00:09,673 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 72.9ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:00:09,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:00:09,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:00:09,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:00:09,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:00:09,674 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2021-10-24 10:00:09,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:00:09,675 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:00:09,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:00:09,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:00:09,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:00:09,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:00:09,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:00:09,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:00:09,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-24 10:00:09,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:00:09,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:00:09,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:10,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:11,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:11,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:11,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:11,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:11,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:11,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:11,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:11,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:00:14,955 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 10:00:14,956 INFO L857 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-10-24 10:00:14,956 INFO L857 garLoopResultBuilder]: For program point L897(lines 897 903) no Hoare annotation was computed. [2021-10-24 10:00:14,956 INFO L857 garLoopResultBuilder]: For program point L864(lines 864 872) no Hoare annotation was computed. [2021-10-24 10:00:14,956 INFO L857 garLoopResultBuilder]: For program point L897-2(lines 897 903) no Hoare annotation was computed. [2021-10-24 10:00:14,956 INFO L857 garLoopResultBuilder]: For program point L864-1(lines 864 872) no Hoare annotation was computed. [2021-10-24 10:00:14,956 INFO L857 garLoopResultBuilder]: For program point L864-2(lines 864 872) no Hoare annotation was computed. [2021-10-24 10:00:14,957 INFO L857 garLoopResultBuilder]: For program point L765(lines 765 776) no Hoare annotation was computed. [2021-10-24 10:00:14,957 INFO L857 garLoopResultBuilder]: For program point L897-4(lines 897 903) no Hoare annotation was computed. [2021-10-24 10:00:14,957 INFO L857 garLoopResultBuilder]: For program point L897-6(lines 897 903) no Hoare annotation was computed. [2021-10-24 10:00:14,957 INFO L857 garLoopResultBuilder]: For program point L897-8(lines 897 903) no Hoare annotation was computed. [2021-10-24 10:00:14,957 INFO L857 garLoopResultBuilder]: For program point L897-10(lines 897 903) no Hoare annotation was computed. [2021-10-24 10:00:14,958 INFO L853 garLoopResultBuilder]: At program point L931(lines 926 934) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-24 10:00:14,958 INFO L853 garLoopResultBuilder]: At program point L931-1(lines 926 934) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:00:14,958 INFO L853 garLoopResultBuilder]: At program point L931-2(lines 926 934) the Hoare annotation is: false [2021-10-24 10:00:14,959 INFO L853 garLoopResultBuilder]: At program point L931-3(lines 926 934) the Hoare annotation is: false [2021-10-24 10:00:14,959 INFO L853 garLoopResultBuilder]: At program point L931-4(lines 926 934) the Hoare annotation is: false [2021-10-24 10:00:14,959 INFO L853 garLoopResultBuilder]: At program point L931-5(lines 926 934) the Hoare annotation is: false [2021-10-24 10:00:14,959 INFO L853 garLoopResultBuilder]: At program point L304(lines 299 307) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-24 10:00:14,960 INFO L853 garLoopResultBuilder]: At program point L304-1(lines 299 307) the Hoare annotation is: false [2021-10-24 10:00:14,960 INFO L853 garLoopResultBuilder]: At program point L304-2(lines 299 307) the Hoare annotation is: false [2021-10-24 10:00:14,960 INFO L857 garLoopResultBuilder]: For program point L999(lines 999 1003) no Hoare annotation was computed. [2021-10-24 10:00:14,960 INFO L857 garLoopResultBuilder]: For program point L999-2(lines 999 1003) no Hoare annotation was computed. [2021-10-24 10:00:14,961 INFO L857 garLoopResultBuilder]: For program point L999-3(lines 999 1003) no Hoare annotation was computed. [2021-10-24 10:00:14,961 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 851) no Hoare annotation was computed. [2021-10-24 10:00:14,961 INFO L857 garLoopResultBuilder]: For program point L999-5(lines 999 1003) no Hoare annotation was computed. [2021-10-24 10:00:14,961 INFO L857 garLoopResultBuilder]: For program point L834-1(lines 834 851) no Hoare annotation was computed. [2021-10-24 10:00:14,962 INFO L857 garLoopResultBuilder]: For program point L999-6(lines 999 1003) no Hoare annotation was computed. [2021-10-24 10:00:14,962 INFO L857 garLoopResultBuilder]: For program point L834-2(lines 834 851) no Hoare annotation was computed. [2021-10-24 10:00:14,962 INFO L857 garLoopResultBuilder]: For program point L834-3(lines 834 851) no Hoare annotation was computed. [2021-10-24 10:00:14,962 INFO L857 garLoopResultBuilder]: For program point L999-8(lines 999 1003) no Hoare annotation was computed. [2021-10-24 10:00:14,963 INFO L857 garLoopResultBuilder]: For program point L834-4(lines 834 851) no Hoare annotation was computed. [2021-10-24 10:00:14,963 INFO L857 garLoopResultBuilder]: For program point L834-5(lines 834 851) no Hoare annotation was computed. [2021-10-24 10:00:14,963 INFO L853 garLoopResultBuilder]: At program point L802(lines 798 820) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-24 10:00:14,963 INFO L853 garLoopResultBuilder]: At program point L802-1(lines 798 820) the Hoare annotation is: false [2021-10-24 10:00:14,964 INFO L857 garLoopResultBuilder]: For program point L736(lines 735 780) no Hoare annotation was computed. [2021-10-24 10:00:14,964 INFO L853 garLoopResultBuilder]: At program point L802-2(lines 798 820) the Hoare annotation is: false [2021-10-24 10:00:14,964 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 720) no Hoare annotation was computed. [2021-10-24 10:00:14,964 INFO L853 garLoopResultBuilder]: At program point L703-1(lines 1 1008) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4)) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse5))) [2021-10-24 10:00:14,965 INFO L857 garLoopResultBuilder]: For program point L703-2(lines 703 720) no Hoare annotation was computed. [2021-10-24 10:00:14,965 INFO L853 garLoopResultBuilder]: At program point L703-3(lines 1 1008) the Hoare annotation is: false [2021-10-24 10:00:14,965 INFO L857 garLoopResultBuilder]: For program point L703-4(lines 703 720) no Hoare annotation was computed. [2021-10-24 10:00:14,965 INFO L853 garLoopResultBuilder]: At program point L703-5(lines 1 1008) the Hoare annotation is: false [2021-10-24 10:00:14,966 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 10:00:14,966 INFO L853 garLoopResultBuilder]: At program point L109-2(lines 109 123) the Hoare annotation is: false [2021-10-24 10:00:14,966 INFO L857 garLoopResultBuilder]: For program point L737(lines 737 741) no Hoare annotation was computed. [2021-10-24 10:00:14,966 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-24 10:00:14,966 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 775) no Hoare annotation was computed. [2021-10-24 10:00:14,967 INFO L857 garLoopResultBuilder]: For program point L771-2(lines 765 776) no Hoare annotation was computed. [2021-10-24 10:00:14,967 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 846) no Hoare annotation was computed. [2021-10-24 10:00:14,967 INFO L857 garLoopResultBuilder]: For program point L838-1(lines 838 846) no Hoare annotation was computed. [2021-10-24 10:00:14,967 INFO L857 garLoopResultBuilder]: For program point L838-2(lines 838 846) no Hoare annotation was computed. [2021-10-24 10:00:14,967 INFO L857 garLoopResultBuilder]: For program point L838-3(lines 838 846) no Hoare annotation was computed. [2021-10-24 10:00:14,967 INFO L857 garLoopResultBuilder]: For program point L838-4(lines 838 846) no Hoare annotation was computed. [2021-10-24 10:00:14,968 INFO L857 garLoopResultBuilder]: For program point L838-5(lines 838 846) no Hoare annotation was computed. [2021-10-24 10:00:14,968 INFO L857 garLoopResultBuilder]: For program point L707(lines 707 717) no Hoare annotation was computed. [2021-10-24 10:00:14,968 INFO L857 garLoopResultBuilder]: For program point L707-2(lines 707 717) no Hoare annotation was computed. [2021-10-24 10:00:14,968 INFO L857 garLoopResultBuilder]: For program point L707-4(lines 707 717) no Hoare annotation was computed. [2021-10-24 10:00:14,968 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 216) no Hoare annotation was computed. [2021-10-24 10:00:14,968 INFO L857 garLoopResultBuilder]: For program point L212-3(lines 212 216) no Hoare annotation was computed. [2021-10-24 10:00:14,969 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2021-10-24 10:00:14,969 INFO L857 garLoopResultBuilder]: For program point L113-1(lines 113 117) no Hoare annotation was computed. [2021-10-24 10:00:14,969 INFO L857 garLoopResultBuilder]: For program point L212-6(lines 212 216) no Hoare annotation was computed. [2021-10-24 10:00:14,969 INFO L853 garLoopResultBuilder]: At program point L1005(lines 990 1008) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-24 10:00:14,970 INFO L853 garLoopResultBuilder]: At program point L1005-1(lines 990 1008) the Hoare annotation is: false [2021-10-24 10:00:14,970 INFO L853 garLoopResultBuilder]: At program point L1005-2(lines 990 1008) the Hoare annotation is: false [2021-10-24 10:00:14,970 INFO L857 garLoopResultBuilder]: For program point L708(lines 708 714) no Hoare annotation was computed. [2021-10-24 10:00:14,970 INFO L857 garLoopResultBuilder]: For program point L708-2(lines 708 714) no Hoare annotation was computed. [2021-10-24 10:00:14,970 INFO L857 garLoopResultBuilder]: For program point L708-4(lines 708 714) no Hoare annotation was computed. [2021-10-24 10:00:14,971 INFO L853 garLoopResultBuilder]: At program point L809(lines 809 815) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-24 10:00:14,971 INFO L853 garLoopResultBuilder]: At program point L809-1(lines 809 815) the Hoare annotation is: false [2021-10-24 10:00:14,971 INFO L853 garLoopResultBuilder]: At program point L809-2(lines 809 815) the Hoare annotation is: false [2021-10-24 10:00:14,971 INFO L853 garLoopResultBuilder]: At program point L281(lines 276 284) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-10-24 10:00:14,972 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 276 284) the Hoare annotation is: false [2021-10-24 10:00:14,972 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 276 284) the Hoare annotation is: false [2021-10-24 10:00:14,972 INFO L853 garLoopResultBuilder]: At program point L249(lines 244 252) the Hoare annotation is: false [2021-10-24 10:00:14,972 INFO L853 garLoopResultBuilder]: At program point L249-1(lines 244 252) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:00:14,973 INFO L853 garLoopResultBuilder]: At program point L249-2(lines 244 252) the Hoare annotation is: false [2021-10-24 10:00:14,973 INFO L853 garLoopResultBuilder]: At program point L249-3(lines 244 252) the Hoare annotation is: false [2021-10-24 10:00:14,973 INFO L853 garLoopResultBuilder]: At program point L249-4(lines 244 252) the Hoare annotation is: false [2021-10-24 10:00:14,973 INFO L853 garLoopResultBuilder]: At program point L84(lines 1 1008) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:00:14,974 INFO L853 garLoopResultBuilder]: At program point L249-5(lines 244 252) the Hoare annotation is: false [2021-10-24 10:00:14,974 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 751) no Hoare annotation was computed. [2021-10-24 10:00:14,974 INFO L853 garLoopResultBuilder]: At program point L745-1(lines 745 751) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-24 10:00:14,974 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:00:14,975 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 193) no Hoare annotation was computed. [2021-10-24 10:00:14,975 INFO L860 garLoopResultBuilder]: At program point L186-1(lines 186 193) the Hoare annotation is: true [2021-10-24 10:00:14,975 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-24 10:00:14,975 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-24 10:00:14,976 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-24 10:00:14,976 INFO L853 garLoopResultBuilder]: At program point L781(lines 734 782) the Hoare annotation is: false [2021-10-24 10:00:14,976 INFO L853 garLoopResultBuilder]: At program point L682(lines 677 684) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:00:14,976 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 984) no Hoare annotation was computed. [2021-10-24 10:00:14,977 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2021-10-24 10:00:14,977 INFO L857 garLoopResultBuilder]: For program point L980-3(lines 980 984) no Hoare annotation was computed. [2021-10-24 10:00:14,977 INFO L857 garLoopResultBuilder]: For program point L980-5(lines 980 984) no Hoare annotation was computed. [2021-10-24 10:00:14,977 INFO L857 garLoopResultBuilder]: For program point L980-6(lines 980 984) no Hoare annotation was computed. [2021-10-24 10:00:14,977 INFO L857 garLoopResultBuilder]: For program point L980-8(lines 980 984) no Hoare annotation was computed. [2021-10-24 10:00:14,978 INFO L857 garLoopResultBuilder]: For program point L980-9(lines 980 984) no Hoare annotation was computed. [2021-10-24 10:00:14,978 INFO L857 garLoopResultBuilder]: For program point L980-11(lines 980 984) no Hoare annotation was computed. [2021-10-24 10:00:14,978 INFO L857 garLoopResultBuilder]: For program point L980-12(lines 980 984) no Hoare annotation was computed. [2021-10-24 10:00:14,978 INFO L857 garLoopResultBuilder]: For program point L980-14(lines 980 984) no Hoare annotation was computed. [2021-10-24 10:00:14,978 INFO L857 garLoopResultBuilder]: For program point L980-15(lines 980 984) no Hoare annotation was computed. [2021-10-24 10:00:14,979 INFO L857 garLoopResultBuilder]: For program point L980-17(lines 980 984) no Hoare annotation was computed. [2021-10-24 10:00:14,979 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2021-10-24 10:00:14,979 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:00:14,979 INFO L857 garLoopResultBuilder]: For program point L289-1(lines 289 295) no Hoare annotation was computed. [2021-10-24 10:00:14,979 INFO L857 garLoopResultBuilder]: For program point L289-2(lines 289 295) no Hoare annotation was computed. [2021-10-24 10:00:14,980 INFO L857 garLoopResultBuilder]: For program point L289-3(lines 289 295) no Hoare annotation was computed. [2021-10-24 10:00:14,980 INFO L857 garLoopResultBuilder]: For program point L289-4(lines 289 295) no Hoare annotation was computed. [2021-10-24 10:00:14,980 INFO L857 garLoopResultBuilder]: For program point L289-5(lines 289 295) no Hoare annotation was computed. [2021-10-24 10:00:14,980 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 228) no Hoare annotation was computed. [2021-10-24 10:00:14,981 INFO L853 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:00:14,981 INFO L853 garLoopResultBuilder]: At program point L160(lines 156 162) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:00:14,981 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:00:14,981 INFO L853 garLoopResultBuilder]: At program point L986(lines 971 989) the Hoare annotation is: false [2021-10-24 10:00:14,982 INFO L853 garLoopResultBuilder]: At program point L986-1(lines 971 989) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse2))) [2021-10-24 10:00:14,982 INFO L853 garLoopResultBuilder]: At program point L986-2(lines 971 989) the Hoare annotation is: false [2021-10-24 10:00:14,982 INFO L853 garLoopResultBuilder]: At program point L986-3(lines 971 989) the Hoare annotation is: false [2021-10-24 10:00:14,982 INFO L853 garLoopResultBuilder]: At program point L986-4(lines 971 989) the Hoare annotation is: false [2021-10-24 10:00:14,982 INFO L853 garLoopResultBuilder]: At program point L986-5(lines 971 989) the Hoare annotation is: false [2021-10-24 10:00:14,983 INFO L857 garLoopResultBuilder]: For program point L755(lines 755 761) no Hoare annotation was computed. [2021-10-24 10:00:14,983 INFO L853 garLoopResultBuilder]: At program point L755-1(lines 755 761) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-24 10:00:14,983 INFO L853 garLoopResultBuilder]: At program point L294(lines 285 298) the Hoare annotation is: false [2021-10-24 10:00:14,983 INFO L853 garLoopResultBuilder]: At program point L294-1(lines 285 298) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-24 10:00:14,984 INFO L853 garLoopResultBuilder]: At program point L294-2(lines 285 298) the Hoare annotation is: false [2021-10-24 10:00:14,984 INFO L853 garLoopResultBuilder]: At program point L294-3(lines 285 298) the Hoare annotation is: false [2021-10-24 10:00:14,984 INFO L860 garLoopResultBuilder]: At program point L195(lines 176 198) the Hoare annotation is: true [2021-10-24 10:00:14,984 INFO L853 garLoopResultBuilder]: At program point L294-4(lines 285 298) the Hoare annotation is: false [2021-10-24 10:00:14,985 INFO L853 garLoopResultBuilder]: At program point L294-5(lines 285 298) the Hoare annotation is: false [2021-10-24 10:00:14,985 INFO L853 garLoopResultBuilder]: At program point L922(lines 915 925) the Hoare annotation is: false [2021-10-24 10:00:14,985 INFO L853 garLoopResultBuilder]: At program point L922-1(lines 915 925) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:00:14,985 INFO L853 garLoopResultBuilder]: At program point L922-2(lines 915 925) the Hoare annotation is: false [2021-10-24 10:00:14,985 INFO L853 garLoopResultBuilder]: At program point L922-3(lines 915 925) the Hoare annotation is: false [2021-10-24 10:00:14,986 INFO L853 garLoopResultBuilder]: At program point L922-4(lines 915 925) the Hoare annotation is: false [2021-10-24 10:00:14,986 INFO L853 garLoopResultBuilder]: At program point L922-5(lines 915 925) the Hoare annotation is: false [2021-10-24 10:00:14,986 INFO L853 garLoopResultBuilder]: At program point L692(lines 802 808) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)))) [2021-10-24 10:00:14,986 INFO L853 garLoopResultBuilder]: At program point L692-1(lines 802 808) the Hoare annotation is: false [2021-10-24 10:00:14,987 INFO L853 garLoopResultBuilder]: At program point L692-2(lines 802 808) the Hoare annotation is: false [2021-10-24 10:00:14,987 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:00:14,987 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 10:00:14,987 INFO L857 garLoopResultBuilder]: For program point L860(lines 860 877) no Hoare annotation was computed. [2021-10-24 10:00:14,988 INFO L857 garLoopResultBuilder]: For program point L860-1(lines 860 877) no Hoare annotation was computed. [2021-10-24 10:00:14,988 INFO L857 garLoopResultBuilder]: For program point L860-2(lines 860 877) no Hoare annotation was computed. [2021-10-24 10:00:14,995 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:00:15,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:00:15 BoogieIcfgContainer [2021-10-24 10:00:15,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:00:15,031 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:00:15,031 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:00:15,031 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:00:15,032 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:59:38" (3/4) ... [2021-10-24 10:00:15,036 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:00:15,069 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:00:15,075 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:00:15,077 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:00:15,080 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:00:15,082 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:00:15,084 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:00:15,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:00:15,126 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == tmp) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == tmp) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:00:15,127 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:00:15,128 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) [2021-10-24 10:00:15,128 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:00:15,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:00:15,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-10-24 10:00:15,132 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:00:15,133 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:00:15,134 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 1bv32 == \result [2021-10-24 10:00:15,135 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 10:00:15,220 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:00:15,221 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:00:15,223 INFO L168 Benchmark]: Toolchain (without parser) took 41426.57 ms. Allocated memory was 56.6 MB in the beginning and 100.7 MB in the end (delta: 44.0 MB). Free memory was 33.6 MB in the beginning and 29.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 48.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:00:15,223 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 38.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:00:15,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1044.81 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 33.4 MB in the beginning and 62.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:00:15,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 174.06 ms. Allocated memory is still 83.9 MB. Free memory was 62.8 MB in the beginning and 58.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:00:15,225 INFO L168 Benchmark]: Boogie Preprocessor took 117.78 ms. Allocated memory is still 83.9 MB. Free memory was 58.9 MB in the beginning and 55.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:00:15,226 INFO L168 Benchmark]: RCFGBuilder took 3801.69 ms. Allocated memory is still 83.9 MB. Free memory was 55.6 MB in the beginning and 53.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:00:15,226 INFO L168 Benchmark]: TraceAbstraction took 36074.16 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 52.7 MB in the beginning and 41.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 51.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:00:15,227 INFO L168 Benchmark]: Witness Printer took 190.12 ms. Allocated memory is still 100.7 MB. Free memory was 41.0 MB in the beginning and 29.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:00:15,230 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 38.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1044.81 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 33.4 MB in the beginning and 62.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 174.06 ms. Allocated memory is still 83.9 MB. Free memory was 62.8 MB in the beginning and 58.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 117.78 ms. Allocated memory is still 83.9 MB. Free memory was 58.9 MB in the beginning and 55.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3801.69 ms. Allocated memory is still 83.9 MB. Free memory was 55.6 MB in the beginning and 53.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 36074.16 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 52.7 MB in the beginning and 41.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 51.1 MB. Max. memory is 16.1 GB. * Witness Printer took 190.12 ms. Allocated memory is still 100.7 MB. Free memory was 41.0 MB in the beginning and 29.5 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 144 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 35949.9ms, OverallIterations: 11, TraceHistogramMax: 4, EmptinessCheckTime: 44.9ms, AutomataDifference: 16960.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5061.0ms, InitialAbstractionConstructionTime: 19.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1411 SDtfs, 2932 SDslu, 4024 SDs, 0 SdLazy, 1024 SolverSat, 154 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 12876.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1269 GetRequests, 1145 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2496 ImplicationChecksByTransitivity, 2863.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=398occurred in iteration=10, InterpolantAutomatonStates: 128, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 342.4ms AutomataMinimizationTime, 11 MinimizatonAttempts, 1833 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 61 LocationsWithAnnotation, 61 PreInvPairs, 143 NumberOfFragments, 609 HoareAnnotationTreeSize, 61 FomulaSimplifications, 252902 FormulaSimplificationTreeSizeReduction, 1422.4ms HoareSimplificationTime, 61 FomulaSimplificationsInter, 21765 FormulaSimplificationTreeSizeReductionInter, 3616.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 386.7ms SsaConstructionTime, 2068.1ms SatisfiabilityAnalysisTime, 5463.3ms InterpolantComputationTime, 568 NumberOfCodeBlocks, 568 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1110 ConstructedInterpolants, 0 QuantifiedInterpolants, 2050 SizeOfPredicates, 26 NumberOfNonLiveVariables, 2975 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 296/320 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: 244]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == tmp) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == tmp) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 1bv32 == \result - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2021-10-24 10:00:15,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599bc196-3688-48f3-9f6d-1adbbd887ddf/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...