./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.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_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/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_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/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_84ae380a-cdb9-4689-83ce-59102e60a1f7/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 aad1ec08d8a193b38b6e11f9698a2d5cafe1e5bac6d0d3a9987fa93ed6006219 ............................................................................................................................................ 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_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/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_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/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_84ae380a-cdb9-4689-83ce-59102e60a1f7/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 aad1ec08d8a193b38b6e11f9698a2d5cafe1e5bac6d0d3a9987fa93ed6006219 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:54:34,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:54:34,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:54:34,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:54:34,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:54:34,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:54:34,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:54:34,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:54:34,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:54:34,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:54:34,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:54:34,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:54:34,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:54:34,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:54:34,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:54:34,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:54:34,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:54:34,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:54:34,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:54:34,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:54:34,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:54:34,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:54:34,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:54:34,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:54:34,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:54:34,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:54:34,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:54:34,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:54:34,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:54:34,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:54:34,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:54:34,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:54:34,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:54:34,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:54:34,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:54:34,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:54:34,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:54:34,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:54:34,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:54:34,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:54:34,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:54:34,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:54:34,638 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:54:34,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:54:34,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:54:34,639 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:54:34,639 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:54:34,640 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:54:34,640 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:54:34,640 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:54:34,640 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:54:34,641 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:54:34,641 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:54:34,641 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:54:34,641 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:54:34,642 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:54:34,642 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:54:34,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:54:34,643 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:54:34,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:54:34,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:54:34,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:54:34,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:54:34,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:54:34,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:54:34,645 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:54:34,645 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:54:34,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:54:34,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:54:34,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:54:34,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:54:34,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:54:34,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:54:34,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:54:34,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:54:34,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:54:34,647 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:54:34,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:54:34,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:54:34,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:54:34,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:54:34,649 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_84ae380a-cdb9-4689-83ce-59102e60a1f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad1ec08d8a193b38b6e11f9698a2d5cafe1e5bac6d0d3a9987fa93ed6006219 [2021-10-24 10:54:34,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:54:34,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:54:34,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:54:34,913 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:54:34,913 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:54:34,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2021-10-24 10:54:34,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/data/54b4d822a/4dc9cc3c94f64422adfd574d45420ecd/FLAG743df5625 [2021-10-24 10:54:35,544 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:54:35,545 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2021-10-24 10:54:35,560 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/data/54b4d822a/4dc9cc3c94f64422adfd574d45420ecd/FLAG743df5625 [2021-10-24 10:54:35,831 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/data/54b4d822a/4dc9cc3c94f64422adfd574d45420ecd [2021-10-24 10:54:35,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:54:35,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:54:35,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:54:35,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:54:35,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:54:35,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:54:35" (1/1) ... [2021-10-24 10:54:35,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5796c368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:35, skipping insertion in model container [2021-10-24 10:54:35,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:54:35" (1/1) ... [2021-10-24 10:54:35,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:54:35,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:54:36,214 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_84ae380a-cdb9-4689-83ce-59102e60a1f7/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[7021,7034] [2021-10-24 10:54:36,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:54:36,344 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 10:54:36,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6fac585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:36, skipping insertion in model container [2021-10-24 10:54:36,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:54:36,346 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:54:36,348 INFO L168 Benchmark]: Toolchain (without parser) took 509.17 ms. Allocated memory is still 100.7 MB. Free memory was 66.3 MB in the beginning and 72.4 MB in the end (delta: -6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:36,349 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 100.7 MB. Free memory was 53.6 MB in the beginning and 53.6 MB in the end (delta: 42.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:54:36,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.12 ms. Allocated memory is still 100.7 MB. Free memory was 66.1 MB in the beginning and 72.7 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:54:36,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 100.7 MB. Free memory was 53.6 MB in the beginning and 53.6 MB in the end (delta: 42.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 504.12 ms. Allocated memory is still 100.7 MB. Free memory was 66.1 MB in the beginning and 72.7 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 478]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:54:38,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:54:38,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:54:38,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:54:38,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:54:38,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:54:38,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:54:38,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:54:38,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:54:38,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:54:38,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:54:38,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:54:38,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:54:38,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:54:38,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:54:38,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:54:38,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:54:38,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:54:38,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:54:38,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:54:38,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:54:38,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:54:38,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:54:38,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:54:38,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:54:38,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:54:38,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:54:38,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:54:38,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:54:38,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:54:38,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:54:38,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:54:38,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:54:38,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:54:38,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:54:38,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:54:38,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:54:38,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:54:38,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:54:38,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:54:38,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:54:38,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:54:38,631 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:54:38,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:54:38,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:54:38,634 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:54:38,634 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:54:38,634 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:54:38,634 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:54:38,634 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:54:38,635 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:54:38,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:54:38,637 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:54:38,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:54:38,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:54:38,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:54:38,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:54:38,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:54:38,638 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:54:38,638 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:54:38,638 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:54:38,638 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:54:38,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:54:38,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:54:38,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:54:38,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:54:38,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:54:38,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:54:38,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:54:38,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:54:38,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:54:38,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:54:38,641 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:54:38,641 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:54:38,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:54:38,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:54:38,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:54:38,642 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_84ae380a-cdb9-4689-83ce-59102e60a1f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad1ec08d8a193b38b6e11f9698a2d5cafe1e5bac6d0d3a9987fa93ed6006219 [2021-10-24 10:54:39,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:54:39,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:54:39,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:54:39,043 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:54:39,043 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:54:39,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2021-10-24 10:54:39,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/data/91209c335/9888ffbd91364a04aa33051dbfcb2509/FLAG82bb15028 [2021-10-24 10:54:39,758 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:54:39,758 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2021-10-24 10:54:39,794 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/data/91209c335/9888ffbd91364a04aa33051dbfcb2509/FLAG82bb15028 [2021-10-24 10:54:40,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/data/91209c335/9888ffbd91364a04aa33051dbfcb2509 [2021-10-24 10:54:40,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:54:40,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:54:40,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:54:40,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:54:40,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:54:40,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:54:40" (1/1) ... [2021-10-24 10:54:40,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72447887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:40, skipping insertion in model container [2021-10-24 10:54:40,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:54:40" (1/1) ... [2021-10-24 10:54:40,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:54:40,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:54:40,399 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_84ae380a-cdb9-4689-83ce-59102e60a1f7/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[7021,7034] [2021-10-24 10:54:40,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:54:40,482 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:54:40,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:54:40,535 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_84ae380a-cdb9-4689-83ce-59102e60a1f7/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[7021,7034] [2021-10-24 10:54:40,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:54:40,609 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:54:40,667 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_84ae380a-cdb9-4689-83ce-59102e60a1f7/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[7021,7034] [2021-10-24 10:54:40,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:54:40,728 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:54:40,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:40 WrapperNode [2021-10-24 10:54:40,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:54:40,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:54:40,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:54:40,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:54:40,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:40" (1/1) ... [2021-10-24 10:54:40,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:40" (1/1) ... [2021-10-24 10:54:40,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:54:40,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:54:40,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:54:40,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:54:40,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:40" (1/1) ... [2021-10-24 10:54:40,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:40" (1/1) ... [2021-10-24 10:54:40,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:40" (1/1) ... [2021-10-24 10:54:40,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:40" (1/1) ... [2021-10-24 10:54:40,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:40" (1/1) ... [2021-10-24 10:54:40,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:40" (1/1) ... [2021-10-24 10:54:40,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:40" (1/1) ... [2021-10-24 10:54:40,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:54:40,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:54:40,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:54:40,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:54:40,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:40" (1/1) ... [2021-10-24 10:54:40,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:54:40,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:54:40,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:54:41,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:54:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:54:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:54:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:54:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:54:43,301 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:54:43,301 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-24 10:54:43,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:54:43 BoogieIcfgContainer [2021-10-24 10:54:43,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:54:43,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:54:43,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:54:43,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:54:43,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:54:40" (1/3) ... [2021-10-24 10:54:43,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20eda1dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:54:43, skipping insertion in model container [2021-10-24 10:54:43,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:54:40" (2/3) ... [2021-10-24 10:54:43,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20eda1dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:54:43, skipping insertion in model container [2021-10-24 10:54:43,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:54:43" (3/3) ... [2021-10-24 10:54:43,312 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2021-10-24 10:54:43,317 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:54:43,317 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:54:43,365 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:54:43,371 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:54:43,371 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:54:43,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 111 states have (on average 1.5765765765765767) internal successors, (175), 114 states have internal predecessors, (175), 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 10:54:43,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:54:43,395 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:43,395 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:54:43,396 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:54:43,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:43,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1765894020, now seen corresponding path program 1 times [2021-10-24 10:54:43,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:43,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [449950343] [2021-10-24 10:54:43,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:43,417 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:43,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:43,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:43,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:54:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:43,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:54:43,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:43,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:43,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:43,773 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:43,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [449950343] [2021-10-24 10:54:43,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [449950343] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:43,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:43,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:54:43,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179597056] [2021-10-24 10:54:43,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:54:43,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:43,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:54:43,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:54:43,805 INFO L87 Difference]: Start difference. First operand has 115 states, 111 states have (on average 1.5765765765765767) internal successors, (175), 114 states have internal predecessors, (175), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 10:54:43,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:43,856 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2021-10-24 10:54:43,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:54:43,857 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-24 10:54:43,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:43,869 INFO L225 Difference]: With dead ends: 223 [2021-10-24 10:54:43,870 INFO L226 Difference]: Without dead ends: 111 [2021-10-24 10:54:43,873 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:54:43,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-24 10:54:43,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-10-24 10:54:43,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 108 states have (on average 1.5092592592592593) internal successors, (163), 110 states have internal predecessors, (163), 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 10:54:43,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2021-10-24 10:54:43,935 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2021-10-24 10:54:43,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:43,935 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2021-10-24 10:54:43,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 10:54:43,936 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2021-10-24 10:54:43,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:54:43,939 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:43,940 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 10:54:43,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-24 10:54:44,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:44,154 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:54:44,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:44,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1547058051, now seen corresponding path program 1 times [2021-10-24 10:54:44,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:44,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1813015710] [2021-10-24 10:54:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:44,157 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:44,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:44,158 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:44,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:54:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:44,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:54:44,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:44,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:44,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:44,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:44,495 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:44,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1813015710] [2021-10-24 10:54:44,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1813015710] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:44,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:44,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:54:44,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881043594] [2021-10-24 10:54:44,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:54:44,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:44,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:54:44,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:54:44,500 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 10:54:44,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:44,513 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2021-10-24 10:54:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:54:44,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 10:54:44,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:44,515 INFO L225 Difference]: With dead ends: 111 [2021-10-24 10:54:44,515 INFO L226 Difference]: Without dead ends: 47 [2021-10-24 10:54:44,516 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:54:44,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-24 10:54:44,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-24 10:54:44,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 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 10:54:44,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-24 10:54:44,522 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-10-24 10:54:44,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:44,522 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-24 10:54:44,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 10:54:44,523 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-24 10:54:44,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:54:44,524 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:44,524 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:54:44,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:44,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:44,739 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:54:44,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:44,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1303013450, now seen corresponding path program 1 times [2021-10-24 10:54:44,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:44,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [917113545] [2021-10-24 10:54:44,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:44,741 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:44,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:44,742 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:44,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:54:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:44,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:54:44,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:45,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:45,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:45,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:45,128 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:45,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [917113545] [2021-10-24 10:54:45,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [917113545] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:45,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:45,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:54:45,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994213643] [2021-10-24 10:54:45,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:54:45,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:45,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:54:45,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:54:45,134 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:45,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:45,152 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2021-10-24 10:54:45,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:54:45,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:54:45,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:45,156 INFO L225 Difference]: With dead ends: 87 [2021-10-24 10:54:45,156 INFO L226 Difference]: Without dead ends: 47 [2021-10-24 10:54:45,157 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:54:45,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-24 10:54:45,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-24 10:54:45,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 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 10:54:45,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-24 10:54:45,168 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-10-24 10:54:45,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:45,168 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-24 10:54:45,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:45,169 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-24 10:54:45,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:54:45,171 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:45,172 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 10:54:45,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:45,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:45,384 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:54:45,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:45,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1055953523, now seen corresponding path program 1 times [2021-10-24 10:54:45,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:45,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783307537] [2021-10-24 10:54:45,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:45,388 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:45,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:45,391 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:45,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:54:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:45,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:54:45,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:45,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:45,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:45,732 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:45,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783307537] [2021-10-24 10:54:45,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783307537] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:45,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:45,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:54:45,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579989409] [2021-10-24 10:54:45,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:54:45,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:45,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:54:45,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:54:45,736 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:45,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:45,797 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2021-10-24 10:54:45,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:54:45,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:54:45,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:45,800 INFO L225 Difference]: With dead ends: 109 [2021-10-24 10:54:45,801 INFO L226 Difference]: Without dead ends: 69 [2021-10-24 10:54:45,804 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:54:45,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-24 10:54:45,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2021-10-24 10:54:45,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.4393939393939394) internal successors, (95), 66 states have internal predecessors, (95), 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 10:54:45,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2021-10-24 10:54:45,818 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2021-10-24 10:54:45,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:45,818 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2021-10-24 10:54:45,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:45,819 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2021-10-24 10:54:45,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-24 10:54:45,821 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:45,822 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] [2021-10-24 10:54:45,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:46,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:46,032 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:54:46,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:46,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1518849596, now seen corresponding path program 1 times [2021-10-24 10:54:46,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:46,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [765587283] [2021-10-24 10:54:46,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:46,034 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:46,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:46,035 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:46,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:54:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:46,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:54:46,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:46,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:46,462 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 10:54:46,463 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:46,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [765587283] [2021-10-24 10:54:46,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [765587283] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:46,466 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:46,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:54:46,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054330367] [2021-10-24 10:54:46,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:54:46,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:46,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:54:46,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:54:46,468 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 10:54:46,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:46,552 INFO L93 Difference]: Finished difference Result 178 states and 252 transitions. [2021-10-24 10:54:46,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:54:46,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 32 [2021-10-24 10:54:46,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:46,555 INFO L225 Difference]: With dead ends: 178 [2021-10-24 10:54:46,555 INFO L226 Difference]: Without dead ends: 118 [2021-10-24 10:54:46,556 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:54:46,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-24 10:54:46,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 73. [2021-10-24 10:54:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4027777777777777) internal successors, (101), 72 states have internal predecessors, (101), 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 10:54:46,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2021-10-24 10:54:46,568 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 32 [2021-10-24 10:54:46,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:46,569 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2021-10-24 10:54:46,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 10:54:46,569 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2021-10-24 10:54:46,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-24 10:54:46,575 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:46,575 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] [2021-10-24 10:54:46,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:46,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:46,792 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 10:54:46,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:46,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1842653991, now seen corresponding path program 1 times [2021-10-24 10:54:46,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:46,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279277718] [2021-10-24 10:54:46,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:46,793 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:46,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:46,794 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:46,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:54:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:47,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:54:47,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:47,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:47,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:47,293 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:47,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [279277718] [2021-10-24 10:54:47,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [279277718] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:47,293 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:47,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:54:47,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391069516] [2021-10-24 10:54:47,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:54:47,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:47,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:54:47,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:54:47,295 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 10:54:47,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:47,398 INFO L93 Difference]: Finished difference Result 349 states and 492 transitions. [2021-10-24 10:54:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:54:47,398 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-10-24 10:54:47,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:47,401 INFO L225 Difference]: With dead ends: 349 [2021-10-24 10:54:47,401 INFO L226 Difference]: Without dead ends: 283 [2021-10-24 10:54:47,401 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 42.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:54:47,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-10-24 10:54:47,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 131. [2021-10-24 10:54:47,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 1.3846153846153846) internal successors, (180), 130 states have internal predecessors, (180), 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 10:54:47,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 180 transitions. [2021-10-24 10:54:47,417 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 180 transitions. Word has length 32 [2021-10-24 10:54:47,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:47,417 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 180 transitions. [2021-10-24 10:54:47,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 10:54:47,418 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 180 transitions. [2021-10-24 10:54:47,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:54:47,419 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:47,419 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] [2021-10-24 10:54:47,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:47,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:47,631 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 10:54:47,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:47,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1842810527, now seen corresponding path program 1 times [2021-10-24 10:54:47,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:47,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663617860] [2021-10-24 10:54:47,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:47,633 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:47,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:47,634 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:47,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:54:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:47,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:54:47,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:48,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:48,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:48,115 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:48,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663617860] [2021-10-24 10:54:48,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1663617860] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:48,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:48,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:54:48,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879565372] [2021-10-24 10:54:48,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:54:48,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:48,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:54:48,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:54:48,117 INFO L87 Difference]: Start difference. First operand 131 states and 180 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 10:54:48,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:48,280 INFO L93 Difference]: Finished difference Result 490 states and 677 transitions. [2021-10-24 10:54:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:54:48,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2021-10-24 10:54:48,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:48,283 INFO L225 Difference]: With dead ends: 490 [2021-10-24 10:54:48,283 INFO L226 Difference]: Without dead ends: 366 [2021-10-24 10:54:48,284 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 48.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:54:48,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-10-24 10:54:48,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 130. [2021-10-24 10:54:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.372093023255814) internal successors, (177), 129 states have internal predecessors, (177), 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 10:54:48,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2021-10-24 10:54:48,299 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2021-10-24 10:54:48,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:48,299 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2021-10-24 10:54:48,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 10:54:48,300 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2021-10-24 10:54:48,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:54:48,301 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:48,301 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] [2021-10-24 10:54:48,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:48,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:48,513 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 10:54:48,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:48,514 INFO L82 PathProgramCache]: Analyzing trace with hash -2075209658, now seen corresponding path program 1 times [2021-10-24 10:54:48,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:48,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756435753] [2021-10-24 10:54:48,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:48,515 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:48,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:48,516 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:48,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:54:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:48,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:54:48,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:48,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:48,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:48,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:48,961 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:48,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756435753] [2021-10-24 10:54:48,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756435753] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:48,961 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:48,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 10:54:48,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951883940] [2021-10-24 10:54:48,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:54:48,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:48,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:54:48,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:54:48,963 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 10:54:49,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:49,035 INFO L93 Difference]: Finished difference Result 349 states and 471 transitions. [2021-10-24 10:54:49,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:54:49,036 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 33 [2021-10-24 10:54:49,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:49,038 INFO L225 Difference]: With dead ends: 349 [2021-10-24 10:54:49,038 INFO L226 Difference]: Without dead ends: 226 [2021-10-24 10:54:49,038 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 24.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:54:49,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-10-24 10:54:49,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 138. [2021-10-24 10:54:49,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.3503649635036497) internal successors, (185), 137 states have internal predecessors, (185), 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 10:54:49,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2021-10-24 10:54:49,053 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2021-10-24 10:54:49,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:49,053 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2021-10-24 10:54:49,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 10:54:49,053 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2021-10-24 10:54:49,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:54:49,054 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:49,054 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] [2021-10-24 10:54:49,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:49,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:49,267 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 10:54:49,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:49,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1632951624, now seen corresponding path program 1 times [2021-10-24 10:54:49,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:49,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11430092] [2021-10-24 10:54:49,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:49,268 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:49,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:49,269 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:49,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:54:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:49,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:54:49,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:49,602 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 10:54:49,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:49,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:49,708 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:49,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11430092] [2021-10-24 10:54:49,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [11430092] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:49,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:49,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:54:49,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630625535] [2021-10-24 10:54:49,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:54:49,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:49,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:54:49,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:54:49,710 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:49,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:49,783 INFO L93 Difference]: Finished difference Result 422 states and 569 transitions. [2021-10-24 10:54:49,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:54:49,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-24 10:54:49,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:49,788 INFO L225 Difference]: With dead ends: 422 [2021-10-24 10:54:49,788 INFO L226 Difference]: Without dead ends: 291 [2021-10-24 10:54:49,788 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:54:49,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2021-10-24 10:54:49,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 239. [2021-10-24 10:54:49,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 238 states have (on average 1.3361344537815125) internal successors, (318), 238 states have internal predecessors, (318), 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 10:54:49,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 318 transitions. [2021-10-24 10:54:49,814 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 318 transitions. Word has length 33 [2021-10-24 10:54:49,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:49,814 INFO L470 AbstractCegarLoop]: Abstraction has 239 states and 318 transitions. [2021-10-24 10:54:49,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:49,815 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 318 transitions. [2021-10-24 10:54:49,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:54:49,816 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:49,817 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] [2021-10-24 10:54:49,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:50,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:50,029 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 10:54:50,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:50,030 INFO L82 PathProgramCache]: Analyzing trace with hash -767383544, now seen corresponding path program 1 times [2021-10-24 10:54:50,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:50,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912733217] [2021-10-24 10:54:50,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:50,031 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:50,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:50,032 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:50,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 10:54:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:50,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:54:50,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:50,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:50,527 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:50,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [912733217] [2021-10-24 10:54:50,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [912733217] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:50,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:50,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:54:50,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675049306] [2021-10-24 10:54:50,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:54:50,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:50,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:54:50,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:54:50,529 INFO L87 Difference]: Start difference. First operand 239 states and 318 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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 10:54:50,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:50,593 INFO L93 Difference]: Finished difference Result 407 states and 540 transitions. [2021-10-24 10:54:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:54:50,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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 10:54:50,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:50,596 INFO L225 Difference]: With dead ends: 407 [2021-10-24 10:54:50,597 INFO L226 Difference]: Without dead ends: 405 [2021-10-24 10:54:50,597 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:54:50,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2021-10-24 10:54:50,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 304. [2021-10-24 10:54:50,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 1.3663366336633664) internal successors, (414), 303 states have internal predecessors, (414), 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 10:54:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 414 transitions. [2021-10-24 10:54:50,625 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 414 transitions. Word has length 34 [2021-10-24 10:54:50,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:50,626 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 414 transitions. [2021-10-24 10:54:50,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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 10:54:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 414 transitions. [2021-10-24 10:54:50,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-24 10:54:50,627 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:50,627 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] [2021-10-24 10:54:50,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:50,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:50,840 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 10:54:50,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:50,841 INFO L82 PathProgramCache]: Analyzing trace with hash 12630167, now seen corresponding path program 1 times [2021-10-24 10:54:50,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:50,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600554178] [2021-10-24 10:54:50,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:50,842 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:50,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:50,843 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:50,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 10:54:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:51,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:54:51,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:54:51,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:51,528 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:54:51,528 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:51,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [600554178] [2021-10-24 10:54:51,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [600554178] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:51,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:51,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 10:54:51,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742325718] [2021-10-24 10:54:51,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 10:54:51,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:51,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 10:54:51,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:54:51,530 INFO L87 Difference]: Start difference. First operand 304 states and 414 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:54,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:54,719 INFO L93 Difference]: Finished difference Result 978 states and 1319 transitions. [2021-10-24 10:54:54,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 10:54:54,720 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-24 10:54:54,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:54,724 INFO L225 Difference]: With dead ends: 978 [2021-10-24 10:54:54,724 INFO L226 Difference]: Without dead ends: 681 [2021-10-24 10:54:54,725 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 133.5ms TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-10-24 10:54:54,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2021-10-24 10:54:54,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 237. [2021-10-24 10:54:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 236 states have (on average 1.326271186440678) internal successors, (313), 236 states have internal predecessors, (313), 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 10:54:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 313 transitions. [2021-10-24 10:54:54,755 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 313 transitions. Word has length 56 [2021-10-24 10:54:54,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:54,755 INFO L470 AbstractCegarLoop]: Abstraction has 237 states and 313 transitions. [2021-10-24 10:54:54,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:54,756 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 313 transitions. [2021-10-24 10:54:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-24 10:54:54,757 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:54:54,757 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2021-10-24 10:54:54,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:54,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:54,960 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:54:54,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:54:54,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1600290606, now seen corresponding path program 1 times [2021-10-24 10:54:54,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:54:54,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [864361886] [2021-10-24 10:54:54,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:54:54,962 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:54:54,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:54:54,963 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:54:54,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-24 10:54:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:54:55,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:54:55,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:54:55,425 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:55,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:54:55,577 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:54:55,577 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:54:55,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [864361886] [2021-10-24 10:54:55,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [864361886] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:54:55,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:54:55,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:54:55,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153125152] [2021-10-24 10:54:55,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:54:55,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:54:55,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:54:55,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:54:55,578 INFO L87 Difference]: Start difference. First operand 237 states and 313 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:58,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:54:58,102 INFO L93 Difference]: Finished difference Result 435 states and 579 transitions. [2021-10-24 10:54:58,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:54:58,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-24 10:54:58,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:54:58,105 INFO L225 Difference]: With dead ends: 435 [2021-10-24 10:54:58,105 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:54:58,106 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:54:58,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:54:58,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:54:58,106 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 10:54:58,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:54:58,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-24 10:54:58,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:54:58,107 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:54:58,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:54:58,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:54:58,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:54:58,110 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:54:58,111 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:54:58,111 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:54:58,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-24 10:54:58,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:54:58,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:54:58,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:58,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:54:59,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:55:02,753 INFO L857 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2021-10-24 10:55:02,753 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 445) no Hoare annotation was computed. [2021-10-24 10:55:02,753 INFO L853 garLoopResultBuilder]: At program point L169(lines 162 172) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-24 10:55:02,754 INFO L853 garLoopResultBuilder]: At program point L169-1(lines 162 172) the Hoare annotation is: false [2021-10-24 10:55:02,754 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-10-24 10:55:02,754 INFO L853 garLoopResultBuilder]: At program point L169-2(lines 162 172) the Hoare annotation is: false [2021-10-24 10:55:02,754 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 103 111) no Hoare annotation was computed. [2021-10-24 10:55:02,754 INFO L857 garLoopResultBuilder]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2021-10-24 10:55:02,754 INFO L857 garLoopResultBuilder]: For program point L103-3(lines 103 111) no Hoare annotation was computed. [2021-10-24 10:55:02,755 INFO L857 garLoopResultBuilder]: For program point L103-4(lines 103 111) no Hoare annotation was computed. [2021-10-24 10:55:02,755 INFO L857 garLoopResultBuilder]: For program point L103-5(lines 103 111) no Hoare annotation was computed. [2021-10-24 10:55:02,755 INFO L857 garLoopResultBuilder]: For program point L831(lines 831 835) no Hoare annotation was computed. [2021-10-24 10:55:02,755 INFO L857 garLoopResultBuilder]: For program point L831-1(lines 67 73) no Hoare annotation was computed. [2021-10-24 10:55:02,755 INFO L853 garLoopResultBuilder]: At program point L435(lines 426 439) the Hoare annotation is: false [2021-10-24 10:55:02,755 INFO L853 garLoopResultBuilder]: At program point L435-1(lines 426 439) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse3 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (bvslt ~waterLevel~0 (_ bv2 32)) .cse3 .cse2))) [2021-10-24 10:55:02,756 INFO L853 garLoopResultBuilder]: At program point L435-2(lines 426 439) the Hoare annotation is: false [2021-10-24 10:55:02,756 INFO L853 garLoopResultBuilder]: At program point L435-3(lines 426 439) the Hoare annotation is: false [2021-10-24 10:55:02,756 INFO L853 garLoopResultBuilder]: At program point L435-4(lines 426 439) the Hoare annotation is: false [2021-10-24 10:55:02,756 INFO L853 garLoopResultBuilder]: At program point L435-5(lines 426 439) the Hoare annotation is: false [2021-10-24 10:55:02,756 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 277) no Hoare annotation was computed. [2021-10-24 10:55:02,756 INFO L853 garLoopResultBuilder]: At program point L271-1(lines 271 277) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse0 .cse5 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2021-10-24 10:55:02,757 INFO L853 garLoopResultBuilder]: At program point L74(lines 74 80) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse1 .cse2) (and .cse0 .cse5 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse4))) [2021-10-24 10:55:02,757 INFO L853 garLoopResultBuilder]: At program point L74-1(lines 74 80) the Hoare annotation is: false [2021-10-24 10:55:02,757 INFO L853 garLoopResultBuilder]: At program point L74-2(lines 74 80) the Hoare annotation is: false [2021-10-24 10:55:02,757 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 445) no Hoare annotation was computed. [2021-10-24 10:55:02,757 INFO L857 garLoopResultBuilder]: For program point L902(lines 902 909) no Hoare annotation was computed. [2021-10-24 10:55:02,757 INFO L860 garLoopResultBuilder]: At program point L902-1(lines 902 909) the Hoare annotation is: true [2021-10-24 10:55:02,758 INFO L853 garLoopResultBuilder]: At program point L178(lines 173 181) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 10:55:02,758 INFO L853 garLoopResultBuilder]: At program point L178-1(lines 173 181) the Hoare annotation is: false [2021-10-24 10:55:02,758 INFO L853 garLoopResultBuilder]: At program point L178-2(lines 173 181) the Hoare annotation is: false [2021-10-24 10:55:02,758 INFO L853 garLoopResultBuilder]: At program point L938(lines 1 949) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:55:02,758 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 381) no Hoare annotation was computed. [2021-10-24 10:55:02,758 INFO L857 garLoopResultBuilder]: For program point L445(line 445) no Hoare annotation was computed. [2021-10-24 10:55:02,759 INFO L857 garLoopResultBuilder]: For program point L445-1(line 445) no Hoare annotation was computed. [2021-10-24 10:55:02,759 INFO L857 garLoopResultBuilder]: For program point L445-2(line 445) no Hoare annotation was computed. [2021-10-24 10:55:02,759 INFO L853 garLoopResultBuilder]: At program point L313(lines 308 315) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:55:02,759 INFO L853 garLoopResultBuilder]: At program point L875(lines 871 877) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:55:02,759 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 292) no Hoare annotation was computed. [2021-10-24 10:55:02,759 INFO L860 garLoopResultBuilder]: At program point L911(lines 892 914) the Hoare annotation is: true [2021-10-24 10:55:02,760 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:55:02,760 INFO L857 garLoopResultBuilder]: For program point L252(lines 251 296) no Hoare annotation was computed. [2021-10-24 10:55:02,760 INFO L853 garLoopResultBuilder]: At program point L946(lines 941 949) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:55:02,760 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2021-10-24 10:55:02,760 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 357) no Hoare annotation was computed. [2021-10-24 10:55:02,760 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed. [2021-10-24 10:55:02,760 INFO L857 garLoopResultBuilder]: For program point L353-3(lines 353 357) no Hoare annotation was computed. [2021-10-24 10:55:02,761 INFO L857 garLoopResultBuilder]: For program point L287-2(lines 67 73) no Hoare annotation was computed. [2021-10-24 10:55:02,761 INFO L857 garLoopResultBuilder]: For program point L353-6(lines 353 357) no Hoare annotation was computed. [2021-10-24 10:55:02,761 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:55:02,761 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 142) no Hoare annotation was computed. [2021-10-24 10:55:02,761 INFO L857 garLoopResultBuilder]: For program point L125-1(lines 125 142) no Hoare annotation was computed. [2021-10-24 10:55:02,761 INFO L857 garLoopResultBuilder]: For program point L125-2(lines 125 142) no Hoare annotation was computed. [2021-10-24 10:55:02,762 INFO L853 garLoopResultBuilder]: At program point L390(lines 385 393) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))))) [2021-10-24 10:55:02,762 INFO L853 garLoopResultBuilder]: At program point L390-1(lines 385 393) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse7) (and .cse0 .cse1 .cse5 .cse6 .cse2) (and .cse0 .cse2 .cse3 .cse4 .cse7))) [2021-10-24 10:55:02,762 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 341) no Hoare annotation was computed. [2021-10-24 10:55:02,762 INFO L853 garLoopResultBuilder]: At program point L390-2(lines 385 393) the Hoare annotation is: false [2021-10-24 10:55:02,762 INFO L853 garLoopResultBuilder]: At program point L324-1(lines 1 949) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4) .cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse7 .cse2 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4))) [2021-10-24 10:55:02,762 INFO L853 garLoopResultBuilder]: At program point L390-3(lines 385 393) the Hoare annotation is: false [2021-10-24 10:55:02,763 INFO L857 garLoopResultBuilder]: For program point L324-2(lines 324 341) no Hoare annotation was computed. [2021-10-24 10:55:02,763 INFO L853 garLoopResultBuilder]: At program point L390-4(lines 385 393) the Hoare annotation is: false [2021-10-24 10:55:02,763 INFO L853 garLoopResultBuilder]: At program point L324-3(lines 1 949) the Hoare annotation is: false [2021-10-24 10:55:02,763 INFO L853 garLoopResultBuilder]: At program point L390-5(lines 385 393) the Hoare annotation is: false [2021-10-24 10:55:02,763 INFO L857 garLoopResultBuilder]: For program point L324-4(lines 324 341) no Hoare annotation was computed. [2021-10-24 10:55:02,763 INFO L853 garLoopResultBuilder]: At program point L324-5(lines 1 949) the Hoare annotation is: false [2021-10-24 10:55:02,764 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:55:02,764 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:55:02,765 INFO L857 garLoopResultBuilder]: For program point L227-2(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:55:02,766 INFO L857 garLoopResultBuilder]: For program point L227-3(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:55:02,766 INFO L857 garLoopResultBuilder]: For program point L227-5(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:55:02,766 INFO L857 garLoopResultBuilder]: For program point L227-6(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:55:02,766 INFO L857 garLoopResultBuilder]: For program point L227-8(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:55:02,766 INFO L857 garLoopResultBuilder]: For program point L227-9(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:55:02,766 INFO L857 garLoopResultBuilder]: For program point L227-11(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:55:02,766 INFO L857 garLoopResultBuilder]: For program point L227-12(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:55:02,767 INFO L857 garLoopResultBuilder]: For program point L227-14(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:55:02,767 INFO L857 garLoopResultBuilder]: For program point L227-15(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:55:02,767 INFO L857 garLoopResultBuilder]: For program point L227-17(lines 227 231) no Hoare annotation was computed. [2021-10-24 10:55:02,767 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 267) no Hoare annotation was computed. [2021-10-24 10:55:02,767 INFO L853 garLoopResultBuilder]: At program point L261-1(lines 261 267) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4) .cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse7 .cse2 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4))) [2021-10-24 10:55:02,767 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 137) no Hoare annotation was computed. [2021-10-24 10:55:02,768 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 129 137) no Hoare annotation was computed. [2021-10-24 10:55:02,768 INFO L857 garLoopResultBuilder]: For program point L129-2(lines 129 137) no Hoare annotation was computed. [2021-10-24 10:55:02,768 INFO L857 garLoopResultBuilder]: For program point L328(lines 328 338) no Hoare annotation was computed. [2021-10-24 10:55:02,768 INFO L857 garLoopResultBuilder]: For program point L328-2(lines 328 338) no Hoare annotation was computed. [2021-10-24 10:55:02,768 INFO L857 garLoopResultBuilder]: For program point L328-4(lines 328 338) no Hoare annotation was computed. [2021-10-24 10:55:02,768 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 335) no Hoare annotation was computed. [2021-10-24 10:55:02,768 INFO L857 garLoopResultBuilder]: For program point L329-2(lines 329 335) no Hoare annotation was computed. [2021-10-24 10:55:02,769 INFO L857 garLoopResultBuilder]: For program point L329-4(lines 329 335) no Hoare annotation was computed. [2021-10-24 10:55:02,769 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:55:02,769 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 445) no Hoare annotation was computed. [2021-10-24 10:55:02,769 INFO L853 garLoopResultBuilder]: At program point L297(lines 250 298) the Hoare annotation is: false [2021-10-24 10:55:02,769 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2021-10-24 10:55:02,769 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 99 116) no Hoare annotation was computed. [2021-10-24 10:55:02,769 INFO L857 garLoopResultBuilder]: For program point L99-2(lines 99 116) no Hoare annotation was computed. [2021-10-24 10:55:02,770 INFO L857 garLoopResultBuilder]: For program point L99-3(lines 99 116) no Hoare annotation was computed. [2021-10-24 10:55:02,770 INFO L857 garLoopResultBuilder]: For program point L99-4(lines 99 116) no Hoare annotation was computed. [2021-10-24 10:55:02,770 INFO L857 garLoopResultBuilder]: For program point L99-5(lines 99 116) no Hoare annotation was computed. [2021-10-24 10:55:02,770 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 436) no Hoare annotation was computed. [2021-10-24 10:55:02,770 INFO L857 garLoopResultBuilder]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2021-10-24 10:55:02,770 INFO L857 garLoopResultBuilder]: For program point L430-2(lines 430 436) no Hoare annotation was computed. [2021-10-24 10:55:02,770 INFO L857 garLoopResultBuilder]: For program point L430-3(lines 430 436) no Hoare annotation was computed. [2021-10-24 10:55:02,771 INFO L857 garLoopResultBuilder]: For program point L430-4(lines 430 436) no Hoare annotation was computed. [2021-10-24 10:55:02,771 INFO L857 garLoopResultBuilder]: For program point L430-5(lines 430 436) no Hoare annotation was computed. [2021-10-24 10:55:02,771 INFO L853 garLoopResultBuilder]: At program point L67(lines 66 85) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (bvslt ~waterLevel~0 (_ bv2 32)) .cse4 .cse3) (and .cse0 .cse5 .cse2 .cse4 .cse3) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse6 .cse2 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse6 .cse5 .cse2 .cse4))) [2021-10-24 10:55:02,771 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 67 73) no Hoare annotation was computed. [2021-10-24 10:55:02,771 INFO L853 garLoopResultBuilder]: At program point L67-2(lines 66 85) the Hoare annotation is: false [2021-10-24 10:55:02,771 INFO L853 garLoopResultBuilder]: At program point L67-3(lines 66 85) the Hoare annotation is: false [2021-10-24 10:55:02,772 INFO L853 garLoopResultBuilder]: At program point L827-2(lines 827 841) the Hoare annotation is: false [2021-10-24 10:55:02,772 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 369) no Hoare annotation was computed. [2021-10-24 10:55:02,772 INFO L853 garLoopResultBuilder]: At program point L233(lines 218 236) the Hoare annotation is: false [2021-10-24 10:55:02,772 INFO L853 garLoopResultBuilder]: At program point L233-1(lines 218 236) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse3 .cse2) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse3 .cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32)))))) [2021-10-24 10:55:02,772 INFO L853 garLoopResultBuilder]: At program point L233-2(lines 218 236) the Hoare annotation is: false [2021-10-24 10:55:02,772 INFO L853 garLoopResultBuilder]: At program point L233-3(lines 218 236) the Hoare annotation is: false [2021-10-24 10:55:02,773 INFO L853 garLoopResultBuilder]: At program point L233-4(lines 218 236) the Hoare annotation is: false [2021-10-24 10:55:02,773 INFO L853 garLoopResultBuilder]: At program point L233-5(lines 218 236) the Hoare annotation is: false [2021-10-24 10:55:02,777 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:55:02,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:55:02 BoogieIcfgContainer [2021-10-24 10:55:02,811 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:55:02,812 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:55:02,812 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:55:02,812 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:55:02,813 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:54:43" (3/4) ... [2021-10-24 10:55:02,815 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:55:02,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:55:02,834 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:55:02,835 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:55:02,836 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:55:02,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:55:02,838 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:55:02,839 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:55:02,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-10-24 10:55:02,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-10-24 10:55:02,864 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) [2021-10-24 10:55:02,864 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) [2021-10-24 10:55:02,866 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:55:02,866 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-10-24 10:55:02,867 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-24 10:55:02,868 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:55:02,868 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:55:02,869 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) && !(tmp == 0bv32)) [2021-10-24 10:55:02,913 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:55:02,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:55:02,915 INFO L168 Benchmark]: Toolchain (without parser) took 22853.28 ms. Allocated memory was 62.9 MB in the beginning and 104.9 MB in the end (delta: 41.9 MB). Free memory was 41.3 MB in the beginning and 41.6 MB in the end (delta: -294.0 kB). Peak memory consumption was 41.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:02,915 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 62.9 MB. Free memory is still 42.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:55:02,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.09 ms. Allocated memory is still 62.9 MB. Free memory was 41.1 MB in the beginning and 29.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:02,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.37 ms. Allocated memory is still 62.9 MB. Free memory was 29.8 MB in the beginning and 26.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:02,916 INFO L168 Benchmark]: Boogie Preprocessor took 61.40 ms. Allocated memory is still 62.9 MB. Free memory was 26.4 MB in the beginning and 43.1 MB in the end (delta: -16.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:02,917 INFO L168 Benchmark]: RCFGBuilder took 2395.43 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 42.8 MB in the beginning and 61.0 MB in the end (delta: -18.2 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:02,917 INFO L168 Benchmark]: TraceAbstraction took 19506.00 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 60.4 MB in the beginning and 51.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 63.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:02,917 INFO L168 Benchmark]: Witness Printer took 101.50 ms. Allocated memory is still 104.9 MB. Free memory was 51.0 MB in the beginning and 41.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:55:02,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 62.9 MB. Free memory is still 42.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 667.09 ms. Allocated memory is still 62.9 MB. Free memory was 41.1 MB in the beginning and 29.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.37 ms. Allocated memory is still 62.9 MB. Free memory was 29.8 MB in the beginning and 26.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.40 ms. Allocated memory is still 62.9 MB. Free memory was 26.4 MB in the beginning and 43.1 MB in the end (delta: -16.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2395.43 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 42.8 MB in the beginning and 61.0 MB in the end (delta: -18.2 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19506.00 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 60.4 MB in the beginning and 51.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 63.0 MB. Max. memory is 16.1 GB. * Witness Printer took 101.50 ms. Allocated memory is still 104.9 MB. Free memory was 51.0 MB in the beginning and 41.6 MB in the end (delta: 9.4 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: 445]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 445]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 445]: 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, 115 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 19413.9ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 31.1ms, AutomataDifference: 6511.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 4428.5ms, InitialAbstractionConstructionTime: 12.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1144 SDtfs, 1273 SDslu, 2421 SDs, 0 SdLazy, 291 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5714.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 798 GetRequests, 749 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 315.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=10, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 219.3ms AutomataMinimizationTime, 12 MinimizatonAttempts, 1120 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 114 NumberOfFragments, 743 HoareAnnotationTreeSize, 43 FomulaSimplifications, 368561 FormulaSimplificationTreeSizeReduction, 1265.9ms HoareSimplificationTime, 43 FomulaSimplificationsInter, 26884 FormulaSimplificationTreeSizeReductionInter, 3150.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 226.8ms SsaConstructionTime, 1292.9ms SatisfiabilityAnalysisTime, 2748.8ms InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 772 ConstructedInterpolants, 0 QuantifiedInterpolants, 1501 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2562 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 82/82 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: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) && !(tmp == 0bv32)) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2021-10-24 10:55:02,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ae380a-cdb9-4689-83ce-59102e60a1f7/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...