./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI --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 4c6f182587f107e711c974ed9b8b1e5162ebb6f5 ............................................................................................................................................ 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_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI --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 4c6f182587f107e711c974ed9b8b1e5162ebb6f5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:31:20,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:20,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:20,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:20,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:20,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:20,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:20,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:20,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:20,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:20,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:20,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:20,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:20,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:20,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:20,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:20,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:20,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:20,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:20,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:20,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:20,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:20,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:20,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:20,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:20,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:20,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:20,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:20,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:20,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:20,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:20,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:20,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:20,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:20,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:20,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:20,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:20,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:20,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:20,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:20,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:20,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:31:20,350 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:20,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:20,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:20,352 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:20,353 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:20,353 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:20,353 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:31:20,353 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:20,354 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:20,354 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:31:20,355 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:31:20,355 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:20,356 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:31:20,356 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:31:20,356 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:31:20,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:20,357 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:20,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:31:20,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:20,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:20,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:20,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:20,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:20,359 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:20,359 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:20,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:20,360 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:20,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:20,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:20,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:20,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:20,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:20,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:20,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:20,363 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:31:20,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:31:20,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:20,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:20,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:20,364 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_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c6f182587f107e711c974ed9b8b1e5162ebb6f5 [2021-10-11 02:31:20,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:20,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:20,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:20,657 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:20,658 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:20,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2021-10-11 02:31:20,721 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/data/3bcc7b517/c0044fbeb28c4706a802dcf4795d18cc/FLAGf6e709a4e [2021-10-11 02:31:21,294 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:21,295 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2021-10-11 02:31:21,309 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/data/3bcc7b517/c0044fbeb28c4706a802dcf4795d18cc/FLAGf6e709a4e [2021-10-11 02:31:21,612 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/data/3bcc7b517/c0044fbeb28c4706a802dcf4795d18cc [2021-10-11 02:31:21,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:21,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:21,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:21,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:21,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:21,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:21" (1/1) ... [2021-10-11 02:31:21,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3529b3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:21, skipping insertion in model container [2021-10-11 02:31:21,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:21" (1/1) ... [2021-10-11 02:31:21,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:21,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:22,079 WARN L226 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_97e33803-8d81-434d-860c-eced2d3185b7/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c[18367,18380] [2021-10-11 02:31:22,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:22,100 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) [2021-10-11 02:31:22,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b52e43c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:22, skipping insertion in model container [2021-10-11 02:31:22,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:22,104 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:31:22,107 INFO L168 Benchmark]: Toolchain (without parser) took 489.15 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 71.6 MB in the beginning and 102.1 MB in the end (delta: -30.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:22,108 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 102.8 MB. Free memory was 57.4 MB in the beginning and 57.4 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:22,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.32 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 71.4 MB in the beginning and 102.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:22,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 102.8 MB. Free memory was 57.4 MB in the beginning and 57.4 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 486.32 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 71.4 MB in the beginning and 102.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 629]: 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 0.2.0-7b2dab5 [2021-10-11 02:31:24,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:24,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:24,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:24,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:24,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:24,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:24,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:24,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:24,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:24,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:24,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:24,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:24,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:24,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:24,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:24,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:24,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:24,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:24,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:24,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:24,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:24,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:24,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:24,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:24,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:24,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:24,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:24,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:24,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:24,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:24,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:24,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:24,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:24,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:24,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:24,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:24,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:24,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:24,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:24,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:24,425 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:31:24,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:24,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:24,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:24,455 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:24,455 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:24,456 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:24,456 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:24,456 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:24,456 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:24,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:24,458 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:24,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:24,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:24,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:24,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:24,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:24,459 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:24,459 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:31:24,460 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:31:24,460 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:24,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:24,460 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:24,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:24,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:24,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:31:24,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:24,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:24,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:24,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:24,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:24,463 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:31:24,463 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:24,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:24,464 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:24,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:24,464 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_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c6f182587f107e711c974ed9b8b1e5162ebb6f5 [2021-10-11 02:31:24,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:24,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:24,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:24,920 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:24,921 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:24,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2021-10-11 02:31:24,997 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/data/6eff228aa/bbecea1bb4294b35a564e0bea02f2203/FLAGaa4386eea [2021-10-11 02:31:25,529 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:25,530 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2021-10-11 02:31:25,543 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/data/6eff228aa/bbecea1bb4294b35a564e0bea02f2203/FLAGaa4386eea [2021-10-11 02:31:25,865 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/data/6eff228aa/bbecea1bb4294b35a564e0bea02f2203 [2021-10-11 02:31:25,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:25,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:25,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:25,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:25,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:25,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:25" (1/1) ... [2021-10-11 02:31:25,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765dfc9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:25, skipping insertion in model container [2021-10-11 02:31:25,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:25" (1/1) ... [2021-10-11 02:31:25,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:25,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:26,337 WARN L226 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_97e33803-8d81-434d-860c-eced2d3185b7/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c[18367,18380] [2021-10-11 02:31:26,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:26,354 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:31:26,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:26,470 WARN L226 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_97e33803-8d81-434d-860c-eced2d3185b7/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c[18367,18380] [2021-10-11 02:31:26,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:26,484 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:26,583 WARN L226 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_97e33803-8d81-434d-860c-eced2d3185b7/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c[18367,18380] [2021-10-11 02:31:26,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:26,636 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:26,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:26 WrapperNode [2021-10-11 02:31:26,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:26,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:26,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:26,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:26,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:26" (1/1) ... [2021-10-11 02:31:26,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:26" (1/1) ... [2021-10-11 02:31:26,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:26,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:26,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:26,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:26,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:26" (1/1) ... [2021-10-11 02:31:26,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:26" (1/1) ... [2021-10-11 02:31:26,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:26" (1/1) ... [2021-10-11 02:31:26,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:26" (1/1) ... [2021-10-11 02:31:26,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:26" (1/1) ... [2021-10-11 02:31:26,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:26" (1/1) ... [2021-10-11 02:31:26,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:26" (1/1) ... [2021-10-11 02:31:26,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:26,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:26,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:26,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:26,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:26" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:26,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:26,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:31:26,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:26,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:29,512 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:29,513 INFO L299 CfgBuilder]: Removed 192 assume(true) statements. [2021-10-11 02:31:29,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:29 BoogieIcfgContainer [2021-10-11 02:31:29,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:29,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:29,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:29,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:29,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:25" (1/3) ... [2021-10-11 02:31:29,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed65ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:29, skipping insertion in model container [2021-10-11 02:31:29,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:26" (2/3) ... [2021-10-11 02:31:29,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed65ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:29, skipping insertion in model container [2021-10-11 02:31:29,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:29" (3/3) ... [2021-10-11 02:31:29,527 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2021-10-11 02:31:29,542 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:29,546 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:31:29,557 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:31:29,582 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:29,583 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:29,583 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:29,583 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:29,583 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:29,583 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:29,583 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:29,584 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2021-10-11 02:31:29,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:31:29,606 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:29,607 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:29,607 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:29,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:29,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1916587088, now seen corresponding path program 1 times [2021-10-11 02:31:29,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:29,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1207770176] [2021-10-11 02:31:29,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:29,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:31:29,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:29,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:29,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:29,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1207770176] [2021-10-11 02:31:29,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:29,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:29,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336915263] [2021-10-11 02:31:29,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:31:29,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:29,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:31:29,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:29,929 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2021-10-11 02:31:29,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:29,970 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-10-11 02:31:29,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:31:29,971 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:31:29,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:29,983 INFO L225 Difference]: With dead ends: 264 [2021-10-11 02:31:29,983 INFO L226 Difference]: Without dead ends: 131 [2021-10-11 02:31:29,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:30,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-11 02:31:30,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-11 02:31:30,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2021-10-11 02:31:30,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-10-11 02:31:30,033 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2021-10-11 02:31:30,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:30,034 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-10-11 02:31:30,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:31:30,034 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-10-11 02:31:30,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:31:30,035 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:30,035 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:30,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:31:30,250 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:30,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:30,251 INFO L82 PathProgramCache]: Analyzing trace with hash 869830191, now seen corresponding path program 1 times [2021-10-11 02:31:30,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:30,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81021235] [2021-10-11 02:31:30,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:30,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:30,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:30,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:30,545 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:30,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81021235] [2021-10-11 02:31:30,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:30,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:31:30,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23619434] [2021-10-11 02:31:30,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:30,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:30,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:30,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:30,550 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2021-10-11 02:31:30,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:30,584 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-10-11 02:31:30,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:30,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:31:30,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:30,590 INFO L225 Difference]: With dead ends: 131 [2021-10-11 02:31:30,590 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:31:30,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:30,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:31:30,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:31:30,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:31:30,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-11 02:31:30,602 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-10-11 02:31:30,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:30,606 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-11 02:31:30,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:30,607 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-11 02:31:30,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:31:30,608 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:30,608 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:30,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:31:30,825 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:30,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:30,829 INFO L82 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2021-10-11 02:31:30,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:30,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1333218095] [2021-10-11 02:31:30,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:31,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:31,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:31,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:31,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:31,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1333218095] [2021-10-11 02:31:31,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:31,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:31,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98890524] [2021-10-11 02:31:31,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:31,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:31,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:31,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:31,104 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2021-10-11 02:31:31,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:31,129 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-10-11 02:31:31,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:31,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:31:31,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:31,130 INFO L225 Difference]: With dead ends: 100 [2021-10-11 02:31:31,131 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:31:31,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:31,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:31:31,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:31:31,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:31:31,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-10-11 02:31:31,152 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2021-10-11 02:31:31,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:31,153 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-10-11 02:31:31,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-10-11 02:31:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:31:31,155 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:31,155 INFO L422 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] [2021-10-11 02:31:31,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:31:31,375 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:31,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:31,376 INFO L82 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2021-10-11 02:31:31,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:31,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772783759] [2021-10-11 02:31:31,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:31,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:31,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:31,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:31,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772783759] [2021-10-11 02:31:31,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:31,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:31:31,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573692243] [2021-10-11 02:31:31,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:31,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:31,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:31,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:31,595 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2021-10-11 02:31:31,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:31,669 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2021-10-11 02:31:31,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:31,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:31:31,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:31,674 INFO L225 Difference]: With dead ends: 121 [2021-10-11 02:31:31,674 INFO L226 Difference]: Without dead ends: 74 [2021-10-11 02:31:31,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:31,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-10-11 02:31:31,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2021-10-11 02:31:31,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2021-10-11 02:31:31,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2021-10-11 02:31:31,701 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2021-10-11 02:31:31,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:31,703 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2021-10-11 02:31:31,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:31,703 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2021-10-11 02:31:31,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:31:31,705 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:31,705 INFO L422 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] [2021-10-11 02:31:31,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:31:31,921 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:31,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:31,921 INFO L82 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2021-10-11 02:31:31,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:31,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518805456] [2021-10-11 02:31:31,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:32,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:32,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:32,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:32,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:32,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518805456] [2021-10-11 02:31:32,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:32,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:31:32,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850698016] [2021-10-11 02:31:32,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:32,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:32,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:32,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:32,184 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2021-10-11 02:31:32,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:32,317 INFO L93 Difference]: Finished difference Result 253 states and 363 transitions. [2021-10-11 02:31:32,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:31:32,318 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:31:32,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:32,319 INFO L225 Difference]: With dead ends: 253 [2021-10-11 02:31:32,319 INFO L226 Difference]: Without dead ends: 187 [2021-10-11 02:31:32,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:31:32,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-10-11 02:31:32,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2021-10-11 02:31:32,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-10-11 02:31:32,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 158 transitions. [2021-10-11 02:31:32,337 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 158 transitions. Word has length 30 [2021-10-11 02:31:32,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:32,337 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 158 transitions. [2021-10-11 02:31:32,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:32,338 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2021-10-11 02:31:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:31:32,339 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:32,339 INFO L422 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] [2021-10-11 02:31:32,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:31:32,558 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:32,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:32,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1392623830, now seen corresponding path program 1 times [2021-10-11 02:31:32,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:32,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145532183] [2021-10-11 02:31:32,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:32,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:31:32,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:32,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:32,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:32,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145532183] [2021-10-11 02:31:32,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:32,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:31:32,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053835496] [2021-10-11 02:31:32,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:31:32,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:32,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:31:32,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:31:32,842 INFO L87 Difference]: Start difference. First operand 115 states and 158 transitions. Second operand 4 states. [2021-10-11 02:31:34,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:34,577 INFO L93 Difference]: Finished difference Result 296 states and 418 transitions. [2021-10-11 02:31:34,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:31:34,579 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 02:31:34,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:34,580 INFO L225 Difference]: With dead ends: 296 [2021-10-11 02:31:34,581 INFO L226 Difference]: Without dead ends: 230 [2021-10-11 02:31:34,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:31:34,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-10-11 02:31:34,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 223. [2021-10-11 02:31:34,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2021-10-11 02:31:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 309 transitions. [2021-10-11 02:31:34,626 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 309 transitions. Word has length 31 [2021-10-11 02:31:34,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:34,626 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 309 transitions. [2021-10-11 02:31:34,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:31:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 309 transitions. [2021-10-11 02:31:34,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:31:34,630 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:34,630 INFO L422 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] [2021-10-11 02:31:34,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:31:34,846 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:34,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:34,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1134458392, now seen corresponding path program 1 times [2021-10-11 02:31:34,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:34,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557364622] [2021-10-11 02:31:34,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:35,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:31:35,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:35,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:35,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:35,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557364622] [2021-10-11 02:31:35,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:35,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:31:35,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482420596] [2021-10-11 02:31:35,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:31:35,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:35,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:31:35,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:31:35,092 INFO L87 Difference]: Start difference. First operand 223 states and 309 transitions. Second operand 4 states. [2021-10-11 02:31:35,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:35,212 INFO L93 Difference]: Finished difference Result 701 states and 984 transitions. [2021-10-11 02:31:35,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:31:35,213 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 02:31:35,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:35,216 INFO L225 Difference]: With dead ends: 701 [2021-10-11 02:31:35,217 INFO L226 Difference]: Without dead ends: 524 [2021-10-11 02:31:35,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:35,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2021-10-11 02:31:35,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 227. [2021-10-11 02:31:35,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2021-10-11 02:31:35,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 312 transitions. [2021-10-11 02:31:35,245 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 312 transitions. Word has length 31 [2021-10-11 02:31:35,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:35,245 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 312 transitions. [2021-10-11 02:31:35,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:31:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 312 transitions. [2021-10-11 02:31:35,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:31:35,247 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:35,247 INFO L422 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] [2021-10-11 02:31:35,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:31:35,459 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:35,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:35,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1527485402, now seen corresponding path program 1 times [2021-10-11 02:31:35,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:35,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704201905] [2021-10-11 02:31:35,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:35,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:35,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:35,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:35,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:35,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704201905] [2021-10-11 02:31:35,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:35,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:35,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131421327] [2021-10-11 02:31:35,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:35,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:35,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:35,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:35,733 INFO L87 Difference]: Start difference. First operand 227 states and 312 transitions. Second operand 5 states. [2021-10-11 02:31:35,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:35,877 INFO L93 Difference]: Finished difference Result 728 states and 1015 transitions. [2021-10-11 02:31:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:31:35,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:31:35,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:35,881 INFO L225 Difference]: With dead ends: 728 [2021-10-11 02:31:35,881 INFO L226 Difference]: Without dead ends: 507 [2021-10-11 02:31:35,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:31:35,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2021-10-11 02:31:35,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 242. [2021-10-11 02:31:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2021-10-11 02:31:35,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 326 transitions. [2021-10-11 02:31:35,921 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 326 transitions. Word has length 31 [2021-10-11 02:31:35,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:35,921 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 326 transitions. [2021-10-11 02:31:35,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:35,922 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 326 transitions. [2021-10-11 02:31:35,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:31:35,922 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:35,923 INFO L422 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] [2021-10-11 02:31:36,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:31:36,138 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:36,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:36,139 INFO L82 PathProgramCache]: Analyzing trace with hash -987336539, now seen corresponding path program 1 times [2021-10-11 02:31:36,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:36,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288939636] [2021-10-11 02:31:36,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:36,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:31:36,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:36,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:36,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:36,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [288939636] [2021-10-11 02:31:36,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:36,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:36,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706141990] [2021-10-11 02:31:36,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:31:36,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:36,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:31:36,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:31:36,437 INFO L87 Difference]: Start difference. First operand 242 states and 326 transitions. Second operand 6 states. [2021-10-11 02:31:36,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:36,725 INFO L93 Difference]: Finished difference Result 1288 states and 1735 transitions. [2021-10-11 02:31:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:31:36,726 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2021-10-11 02:31:36,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:36,732 INFO L225 Difference]: With dead ends: 1288 [2021-10-11 02:31:36,733 INFO L226 Difference]: Without dead ends: 1052 [2021-10-11 02:31:36,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:31:36,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2021-10-11 02:31:36,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 466. [2021-10-11 02:31:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2021-10-11 02:31:36,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 618 transitions. [2021-10-11 02:31:36,810 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 618 transitions. Word has length 34 [2021-10-11 02:31:36,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:36,812 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 618 transitions. [2021-10-11 02:31:36,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:31:36,812 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 618 transitions. [2021-10-11 02:31:36,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:31:36,816 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:36,816 INFO L422 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] [2021-10-11 02:31:37,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:31:37,034 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:37,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:37,034 INFO L82 PathProgramCache]: Analyzing trace with hash 787670823, now seen corresponding path program 1 times [2021-10-11 02:31:37,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:37,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897050109] [2021-10-11 02:31:37,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:37,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:31:37,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:37,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:37,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897050109] [2021-10-11 02:31:37,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:37,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:37,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333302391] [2021-10-11 02:31:37,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:31:37,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:37,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:31:37,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:31:37,301 INFO L87 Difference]: Start difference. First operand 466 states and 618 transitions. Second operand 6 states. [2021-10-11 02:31:39,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:39,195 INFO L93 Difference]: Finished difference Result 960 states and 1269 transitions. [2021-10-11 02:31:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:31:39,196 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2021-10-11 02:31:39,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:39,199 INFO L225 Difference]: With dead ends: 960 [2021-10-11 02:31:39,200 INFO L226 Difference]: Without dead ends: 586 [2021-10-11 02:31:39,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:31:39,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2021-10-11 02:31:39,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 460. [2021-10-11 02:31:39,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2021-10-11 02:31:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 606 transitions. [2021-10-11 02:31:39,268 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 606 transitions. Word has length 34 [2021-10-11 02:31:39,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:39,269 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 606 transitions. [2021-10-11 02:31:39,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:31:39,269 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 606 transitions. [2021-10-11 02:31:39,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 02:31:39,271 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:39,271 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-10-11 02:31:39,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:31:39,487 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:39,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:39,488 INFO L82 PathProgramCache]: Analyzing trace with hash -771750108, now seen corresponding path program 1 times [2021-10-11 02:31:39,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:39,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [517864310] [2021-10-11 02:31:39,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:39,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:39,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:39,802 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:31:39,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:39,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [517864310] [2021-10-11 02:31:39,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:39,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:39,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297120447] [2021-10-11 02:31:39,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:39,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:39,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:39,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:39,804 INFO L87 Difference]: Start difference. First operand 460 states and 606 transitions. Second operand 5 states. [2021-10-11 02:31:39,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:39,946 INFO L93 Difference]: Finished difference Result 1047 states and 1382 transitions. [2021-10-11 02:31:39,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:31:39,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2021-10-11 02:31:39,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:39,951 INFO L225 Difference]: With dead ends: 1047 [2021-10-11 02:31:39,951 INFO L226 Difference]: Without dead ends: 593 [2021-10-11 02:31:39,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:31:39,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-10-11 02:31:40,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 460. [2021-10-11 02:31:40,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2021-10-11 02:31:40,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 596 transitions. [2021-10-11 02:31:40,015 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 596 transitions. Word has length 53 [2021-10-11 02:31:40,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:40,015 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 596 transitions. [2021-10-11 02:31:40,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:40,016 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 596 transitions. [2021-10-11 02:31:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 02:31:40,017 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:40,017 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-10-11 02:31:40,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:31:40,234 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:40,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:40,235 INFO L82 PathProgramCache]: Analyzing trace with hash -844136666, now seen corresponding path program 1 times [2021-10-11 02:31:40,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:40,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1710765140] [2021-10-11 02:31:40,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:40,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:31:40,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:40,508 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:31:40,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:40,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1710765140] [2021-10-11 02:31:40,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:40,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:31:40,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718306017] [2021-10-11 02:31:40,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:31:40,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:40,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:31:40,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:31:40,511 INFO L87 Difference]: Start difference. First operand 460 states and 596 transitions. Second operand 4 states. [2021-10-11 02:31:40,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:40,618 INFO L93 Difference]: Finished difference Result 973 states and 1271 transitions. [2021-10-11 02:31:40,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:31:40,618 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2021-10-11 02:31:40,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:40,623 INFO L225 Difference]: With dead ends: 973 [2021-10-11 02:31:40,623 INFO L226 Difference]: Without dead ends: 519 [2021-10-11 02:31:40,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:40,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2021-10-11 02:31:40,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 396. [2021-10-11 02:31:40,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2021-10-11 02:31:40,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 508 transitions. [2021-10-11 02:31:40,674 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 508 transitions. Word has length 53 [2021-10-11 02:31:40,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:40,674 INFO L481 AbstractCegarLoop]: Abstraction has 396 states and 508 transitions. [2021-10-11 02:31:40,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:31:40,674 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 508 transitions. [2021-10-11 02:31:40,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:31:40,675 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:40,675 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:40,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2021-10-11 02:31:40,892 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:40,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:40,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1409435414, now seen corresponding path program 1 times [2021-10-11 02:31:40,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:40,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1521615283] [2021-10-11 02:31:40,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:41,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:31:41,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:41,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:31:41,232 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:31:41,233 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:31:41,310 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:41,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1521615283] [2021-10-11 02:31:41,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1695770553] [2021-10-11 02:31:41,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:41,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:41,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:41,595 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:31:41,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:41,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:31:41,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2021-10-11 02:31:41,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055883522] [2021-10-11 02:31:41,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:41,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:41,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:41,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:31:41,597 INFO L87 Difference]: Start difference. First operand 396 states and 508 transitions. Second operand 5 states. [2021-10-11 02:31:41,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:41,795 INFO L93 Difference]: Finished difference Result 1368 states and 1806 transitions. [2021-10-11 02:31:41,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:31:41,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-10-11 02:31:41,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:41,802 INFO L225 Difference]: With dead ends: 1368 [2021-10-11 02:31:41,802 INFO L226 Difference]: Without dead ends: 1024 [2021-10-11 02:31:41,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:31:41,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2021-10-11 02:31:41,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 408. [2021-10-11 02:31:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2021-10-11 02:31:41,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 520 transitions. [2021-10-11 02:31:41,863 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 520 transitions. Word has length 54 [2021-10-11 02:31:41,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:41,864 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 520 transitions. [2021-10-11 02:31:41,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:41,864 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 520 transitions. [2021-10-11 02:31:41,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:31:41,864 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:41,865 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:42,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:42,283 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:42,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:42,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1802462424, now seen corresponding path program 1 times [2021-10-11 02:31:42,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:42,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597360020] [2021-10-11 02:31:42,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:42,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:31:42,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:42,540 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:42,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:31:42,651 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:42,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597360020] [2021-10-11 02:31:42,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1566735406] [2021-10-11 02:31:42,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:42,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:42,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:43,000 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:31:43,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:43,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:31:43,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 13 [2021-10-11 02:31:43,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93525910] [2021-10-11 02:31:43,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:43,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:43,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:43,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:31:43,003 INFO L87 Difference]: Start difference. First operand 408 states and 520 transitions. Second operand 5 states. [2021-10-11 02:31:43,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:43,365 INFO L93 Difference]: Finished difference Result 1134 states and 1430 transitions. [2021-10-11 02:31:43,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:31:43,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-10-11 02:31:43,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:43,371 INFO L225 Difference]: With dead ends: 1134 [2021-10-11 02:31:43,372 INFO L226 Difference]: Without dead ends: 1132 [2021-10-11 02:31:43,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-11 02:31:43,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2021-10-11 02:31:43,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 408. [2021-10-11 02:31:43,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2021-10-11 02:31:43,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 516 transitions. [2021-10-11 02:31:43,430 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 516 transitions. Word has length 54 [2021-10-11 02:31:43,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:43,430 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 516 transitions. [2021-10-11 02:31:43,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:43,430 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 516 transitions. [2021-10-11 02:31:43,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-11 02:31:43,431 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:43,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:43,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3,17 cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:43,847 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:43,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:43,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1437514545, now seen corresponding path program 1 times [2021-10-11 02:31:43,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:43,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256086989] [2021-10-11 02:31:43,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:44,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:31:44,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:44,115 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:44,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:31:44,130 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:31:44,130 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:31:44,210 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:44,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1256086989] [2021-10-11 02:31:44,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [942656195] [2021-10-11 02:31:44,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:44,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:31:44,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:44,494 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:44,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:31:44,612 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:44,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481095834] [2021-10-11 02:31:44,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:31:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:44,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:31:44,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:44,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:31:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:44,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:31:44,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2021-10-11 02:31:44,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918978825] [2021-10-11 02:31:44,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-10-11 02:31:44,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:44,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-11 02:31:44,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:31:44,895 INFO L87 Difference]: Start difference. First operand 408 states and 516 transitions. Second operand 12 states. [2021-10-11 02:31:50,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:50,129 INFO L93 Difference]: Finished difference Result 3667 states and 4738 transitions. [2021-10-11 02:31:50,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-11 02:31:50,129 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 55 [2021-10-11 02:31:50,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:50,149 INFO L225 Difference]: With dead ends: 3667 [2021-10-11 02:31:50,149 INFO L226 Difference]: Without dead ends: 3311 [2021-10-11 02:31:50,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 313 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2013 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2021-10-11 02:31:50,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3311 states. [2021-10-11 02:31:50,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3311 to 556. [2021-10-11 02:31:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2021-10-11 02:31:50,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 725 transitions. [2021-10-11 02:31:50,258 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 725 transitions. Word has length 55 [2021-10-11 02:31:50,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:50,258 INFO L481 AbstractCegarLoop]: Abstraction has 556 states and 725 transitions. [2021-10-11 02:31:50,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-10-11 02:31:50,258 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 725 transitions. [2021-10-11 02:31:50,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-11 02:31:50,260 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:50,260 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-11 02:31:50,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3,19 cvc4 --incremental --print-success --lang smt,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:31:50,872 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:50,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:50,873 INFO L82 PathProgramCache]: Analyzing trace with hash -2103312411, now seen corresponding path program 1 times [2021-10-11 02:31:50,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:50,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1622570927] [2021-10-11 02:31:50,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 21 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:51,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:51,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 02:31:51,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:51,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1622570927] [2021-10-11 02:31:51,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:51,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:51,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389816362] [2021-10-11 02:31:51,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:51,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:51,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:51,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:51,137 INFO L87 Difference]: Start difference. First operand 556 states and 725 transitions. Second operand 5 states. [2021-10-11 02:31:51,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:51,208 INFO L93 Difference]: Finished difference Result 874 states and 1123 transitions. [2021-10-11 02:31:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:31:51,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2021-10-11 02:31:51,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:51,209 INFO L225 Difference]: With dead ends: 874 [2021-10-11 02:31:51,209 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:31:51,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:31:51,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:31:51,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:31:51,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:31:51,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:31:51,211 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-10-11 02:31:51,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:51,211 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:31:51,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:51,212 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:31:51,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:31:51,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 mathsat -unsat_core_generation=3 [2021-10-11 02:31:51,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:31:52,365 WARN L197 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 190 [2021-10-11 02:31:53,044 WARN L197 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 238 [2021-10-11 02:31:53,263 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 132 [2021-10-11 02:31:53,791 WARN L197 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 236 [2021-10-11 02:31:54,243 WARN L197 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 228 [2021-10-11 02:31:54,459 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 142 [2021-10-11 02:31:54,681 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 146 [2021-10-11 02:31:54,817 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 134 [2021-10-11 02:31:56,972 WARN L197 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 187 DAG size of output: 48 [2021-10-11 02:31:59,053 WARN L197 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 236 DAG size of output: 31 [2021-10-11 02:31:59,414 WARN L197 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 28 [2021-10-11 02:32:00,207 WARN L197 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 39 [2021-10-11 02:32:02,157 WARN L197 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 232 DAG size of output: 31 [2021-10-11 02:32:04,027 WARN L197 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 226 DAG size of output: 40 [2021-10-11 02:32:04,140 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2021-10-11 02:32:04,909 WARN L197 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 35 [2021-10-11 02:32:05,251 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2021-10-11 02:32:06,097 WARN L197 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 50 [2021-10-11 02:32:06,705 WARN L197 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 23 [2021-10-11 02:32:06,863 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 31 [2021-10-11 02:32:06,880 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2021-10-11 02:32:06,880 INFO L258 CegarLoopResult]: At program point L564(lines 560 566) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:06,880 INFO L258 CegarLoopResult]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) (.cse6 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse8 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3) (and .cse0 .cse4 (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse5 .cse6 .cse3 .cse7 .cse8 .cse9) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse4 .cse2 .cse5 .cse6 .cse3 .cse7 .cse8 .cse9))) [2021-10-11 02:32:06,881 INFO L258 CegarLoopResult]: At program point L102(lines 55 103) the Hoare annotation is: false [2021-10-11 02:32:06,881 INFO L258 CegarLoopResult]: At program point L135-1(lines 135 141) the Hoare annotation is: false [2021-10-11 02:32:06,881 INFO L258 CegarLoopResult]: At program point L135-2(lines 135 141) the Hoare annotation is: false [2021-10-11 02:32:06,881 INFO L258 CegarLoopResult]: At program point L500(lines 495 503) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:06,881 INFO L262 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-10-11 02:32:06,881 INFO L262 CegarLoopResult]: For program point L370-3(lines 370 374) no Hoare annotation was computed. [2021-10-11 02:32:06,881 INFO L262 CegarLoopResult]: For program point L370-6(lines 370 374) no Hoare annotation was computed. [2021-10-11 02:32:06,882 INFO L262 CegarLoopResult]: For program point L306(lines 306 310) no Hoare annotation was computed. [2021-10-11 02:32:06,882 INFO L262 CegarLoopResult]: For program point L306-2(lines 306 310) no Hoare annotation was computed. [2021-10-11 02:32:06,882 INFO L262 CegarLoopResult]: For program point L306-3(lines 306 310) no Hoare annotation was computed. [2021-10-11 02:32:06,882 INFO L262 CegarLoopResult]: For program point L306-5(lines 306 310) no Hoare annotation was computed. [2021-10-11 02:32:06,882 INFO L262 CegarLoopResult]: For program point L306-6(lines 306 310) no Hoare annotation was computed. [2021-10-11 02:32:06,882 INFO L262 CegarLoopResult]: For program point L306-8(lines 306 310) no Hoare annotation was computed. [2021-10-11 02:32:06,882 INFO L262 CegarLoopResult]: For program point L306-9(lines 306 310) no Hoare annotation was computed. [2021-10-11 02:32:06,882 INFO L262 CegarLoopResult]: For program point L306-11(lines 306 310) no Hoare annotation was computed. [2021-10-11 02:32:06,883 INFO L262 CegarLoopResult]: For program point L306-12(lines 306 310) no Hoare annotation was computed. [2021-10-11 02:32:06,883 INFO L262 CegarLoopResult]: For program point L306-14(lines 306 310) no Hoare annotation was computed. [2021-10-11 02:32:06,883 INFO L262 CegarLoopResult]: For program point L306-15(lines 306 310) no Hoare annotation was computed. [2021-10-11 02:32:06,883 INFO L262 CegarLoopResult]: For program point L306-17(lines 306 310) no Hoare annotation was computed. [2021-10-11 02:32:06,883 INFO L258 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse6 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)))) (or (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse9 .cse6 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-10-11 02:32:06,884 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2021-10-11 02:32:06,884 INFO L258 CegarLoopResult]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2021-10-11 02:32:06,884 INFO L258 CegarLoopResult]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2021-10-11 02:32:06,884 INFO L262 CegarLoopResult]: For program point L76(lines 76 82) no Hoare annotation was computed. [2021-10-11 02:32:06,884 INFO L258 CegarLoopResult]: At program point L76-1(lines 76 82) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2021-10-11 02:32:06,884 INFO L258 CegarLoopResult]: At program point L407(lines 402 410) the Hoare annotation is: false [2021-10-11 02:32:06,885 INFO L258 CegarLoopResult]: At program point L407-1(lines 402 410) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) [2021-10-11 02:32:06,885 INFO L258 CegarLoopResult]: At program point L407-2(lines 402 410) the Hoare annotation is: false [2021-10-11 02:32:06,885 INFO L258 CegarLoopResult]: At program point L407-3(lines 402 410) the Hoare annotation is: false [2021-10-11 02:32:06,885 INFO L258 CegarLoopResult]: At program point L407-4(lines 402 410) the Hoare annotation is: false [2021-10-11 02:32:06,885 INFO L258 CegarLoopResult]: At program point L407-5(lines 402 410) the Hoare annotation is: false [2021-10-11 02:32:06,885 INFO L262 CegarLoopResult]: For program point L971(line 971) no Hoare annotation was computed. [2021-10-11 02:32:06,885 INFO L262 CegarLoopResult]: For program point L971-1(line 971) no Hoare annotation was computed. [2021-10-11 02:32:06,886 INFO L262 CegarLoopResult]: For program point L971-2(line 971) no Hoare annotation was computed. [2021-10-11 02:32:06,886 INFO L258 CegarLoopResult]: At program point L312(lines 297 315) the Hoare annotation is: false [2021-10-11 02:32:06,886 INFO L258 CegarLoopResult]: At program point L312-1(lines 297 315) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse2) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32))) .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))))) [2021-10-11 02:32:06,886 INFO L258 CegarLoopResult]: At program point L312-2(lines 297 315) the Hoare annotation is: false [2021-10-11 02:32:06,886 INFO L258 CegarLoopResult]: At program point L312-3(lines 297 315) the Hoare annotation is: false [2021-10-11 02:32:06,886 INFO L258 CegarLoopResult]: At program point L312-4(lines 297 315) the Hoare annotation is: false [2021-10-11 02:32:06,886 INFO L258 CegarLoopResult]: At program point L312-5(lines 297 315) the Hoare annotation is: false [2021-10-11 02:32:06,887 INFO L262 CegarLoopResult]: For program point L346(lines 346 359) no Hoare annotation was computed. [2021-10-11 02:32:06,887 INFO L258 CegarLoopResult]: At program point L346-1(lines 1 974) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967294 32)))) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse8 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse11 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse11 .cse6 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse2 .cse11 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse11 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse6))) [2021-10-11 02:32:06,887 INFO L262 CegarLoopResult]: For program point L346-2(lines 346 359) no Hoare annotation was computed. [2021-10-11 02:32:06,887 INFO L258 CegarLoopResult]: At program point L346-3(lines 1 974) the Hoare annotation is: false [2021-10-11 02:32:06,887 INFO L262 CegarLoopResult]: For program point L346-4(lines 346 359) no Hoare annotation was computed. [2021-10-11 02:32:06,887 INFO L258 CegarLoopResult]: At program point L346-5(lines 1 974) the Hoare annotation is: false [2021-10-11 02:32:06,887 INFO L258 CegarLoopResult]: At program point L248(lines 241 251) the Hoare annotation is: false [2021-10-11 02:32:06,887 INFO L258 CegarLoopResult]: At program point L248-1(lines 241 251) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) [2021-10-11 02:32:06,887 INFO L258 CegarLoopResult]: At program point L248-2(lines 241 251) the Hoare annotation is: false [2021-10-11 02:32:06,887 INFO L258 CegarLoopResult]: At program point L248-3(lines 241 251) the Hoare annotation is: false [2021-10-11 02:32:06,887 INFO L258 CegarLoopResult]: At program point L248-4(lines 241 251) the Hoare annotation is: false [2021-10-11 02:32:06,888 INFO L258 CegarLoopResult]: At program point L248-5(lines 241 251) the Hoare annotation is: false [2021-10-11 02:32:06,888 INFO L262 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2021-10-11 02:32:06,888 INFO L262 CegarLoopResult]: For program point L447-1(lines 447 453) no Hoare annotation was computed. [2021-10-11 02:32:06,888 INFO L262 CegarLoopResult]: For program point L447-2(lines 447 453) no Hoare annotation was computed. [2021-10-11 02:32:06,888 INFO L262 CegarLoopResult]: For program point L447-3(lines 447 453) no Hoare annotation was computed. [2021-10-11 02:32:06,888 INFO L262 CegarLoopResult]: For program point L447-4(lines 447 453) no Hoare annotation was computed. [2021-10-11 02:32:06,888 INFO L262 CegarLoopResult]: For program point L447-5(lines 447 453) no Hoare annotation was computed. [2021-10-11 02:32:06,888 INFO L262 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2021-10-11 02:32:06,889 INFO L262 CegarLoopResult]: For program point L350(lines 350 356) no Hoare annotation was computed. [2021-10-11 02:32:06,889 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:32:06,889 INFO L262 CegarLoopResult]: For program point L350-2(lines 350 356) no Hoare annotation was computed. [2021-10-11 02:32:06,889 INFO L262 CegarLoopResult]: For program point L350-4(lines 350 356) no Hoare annotation was computed. [2021-10-11 02:32:06,889 INFO L262 CegarLoopResult]: For program point L86(lines 86 97) no Hoare annotation was computed. [2021-10-11 02:32:06,889 INFO L258 CegarLoopResult]: At program point L516-2(lines 516 530) the Hoare annotation is: false [2021-10-11 02:32:06,889 INFO L262 CegarLoopResult]: For program point L186(lines 186 203) no Hoare annotation was computed. [2021-10-11 02:32:06,889 INFO L262 CegarLoopResult]: For program point L186-1(lines 186 203) no Hoare annotation was computed. [2021-10-11 02:32:06,889 INFO L262 CegarLoopResult]: For program point L186-2(lines 186 203) no Hoare annotation was computed. [2021-10-11 02:32:06,890 INFO L262 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2021-10-11 02:32:06,890 INFO L258 CegarLoopResult]: At program point L452(lines 443 456) the Hoare annotation is: false [2021-10-11 02:32:06,890 INFO L258 CegarLoopResult]: At program point L452-1(lines 443 456) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2))) [2021-10-11 02:32:06,890 INFO L258 CegarLoopResult]: At program point L452-2(lines 443 456) the Hoare annotation is: false [2021-10-11 02:32:06,890 INFO L258 CegarLoopResult]: At program point L452-3(lines 443 456) the Hoare annotation is: false [2021-10-11 02:32:06,890 INFO L258 CegarLoopResult]: At program point L452-4(lines 443 456) the Hoare annotation is: false [2021-10-11 02:32:06,890 INFO L258 CegarLoopResult]: At program point L452-5(lines 443 456) the Hoare annotation is: false [2021-10-11 02:32:06,891 INFO L262 CegarLoopResult]: For program point L57(lines 56 101) no Hoare annotation was computed. [2021-10-11 02:32:06,891 INFO L262 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2021-10-11 02:32:06,891 INFO L262 CegarLoopResult]: For program point L520-1(lines 128 134) no Hoare annotation was computed. [2021-10-11 02:32:06,891 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:32:06,891 INFO L262 CegarLoopResult]: For program point L223(lines 223 229) no Hoare annotation was computed. [2021-10-11 02:32:06,891 INFO L262 CegarLoopResult]: For program point L190(lines 190 198) no Hoare annotation was computed. [2021-10-11 02:32:06,891 INFO L262 CegarLoopResult]: For program point L223-2(lines 223 229) no Hoare annotation was computed. [2021-10-11 02:32:06,891 INFO L262 CegarLoopResult]: For program point L190-1(lines 190 198) no Hoare annotation was computed. [2021-10-11 02:32:06,892 INFO L262 CegarLoopResult]: For program point L190-2(lines 190 198) no Hoare annotation was computed. [2021-10-11 02:32:06,892 INFO L262 CegarLoopResult]: For program point L223-4(lines 223 229) no Hoare annotation was computed. [2021-10-11 02:32:06,892 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 02:32:06,892 INFO L262 CegarLoopResult]: For program point L223-6(lines 223 229) no Hoare annotation was computed. [2021-10-11 02:32:06,892 INFO L262 CegarLoopResult]: For program point L223-8(lines 223 229) no Hoare annotation was computed. [2021-10-11 02:32:06,892 INFO L262 CegarLoopResult]: For program point L223-10(lines 223 229) no Hoare annotation was computed. [2021-10-11 02:32:06,892 INFO L262 CegarLoopResult]: For program point L587(lines 587 594) no Hoare annotation was computed. [2021-10-11 02:32:06,892 INFO L265 CegarLoopResult]: At program point L587-1(lines 587 594) the Hoare annotation is: true [2021-10-11 02:32:06,893 INFO L258 CegarLoopResult]: At program point L257(lines 252 260) the Hoare annotation is: false [2021-10-11 02:32:06,893 INFO L258 CegarLoopResult]: At program point L257-1(lines 252 260) the Hoare annotation is: false [2021-10-11 02:32:06,893 INFO L258 CegarLoopResult]: At program point L257-2(lines 252 260) the Hoare annotation is: false [2021-10-11 02:32:06,893 INFO L262 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2021-10-11 02:32:06,893 INFO L262 CegarLoopResult]: For program point L92-2(lines 128 134) no Hoare annotation was computed. [2021-10-11 02:32:06,893 INFO L262 CegarLoopResult]: For program point L325(lines 325 329) no Hoare annotation was computed. [2021-10-11 02:32:06,893 INFO L262 CegarLoopResult]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2021-10-11 02:32:06,893 INFO L262 CegarLoopResult]: For program point L325-3(lines 325 329) no Hoare annotation was computed. [2021-10-11 02:32:06,893 INFO L262 CegarLoopResult]: For program point L160(lines 160 177) no Hoare annotation was computed. [2021-10-11 02:32:06,894 INFO L262 CegarLoopResult]: For program point L325-5(lines 325 329) no Hoare annotation was computed. [2021-10-11 02:32:06,894 INFO L262 CegarLoopResult]: For program point L160-1(lines 160 177) no Hoare annotation was computed. [2021-10-11 02:32:06,894 INFO L262 CegarLoopResult]: For program point L325-6(lines 325 329) no Hoare annotation was computed. [2021-10-11 02:32:06,894 INFO L262 CegarLoopResult]: For program point L160-2(lines 160 177) no Hoare annotation was computed. [2021-10-11 02:32:06,894 INFO L262 CegarLoopResult]: For program point L160-3(lines 160 177) no Hoare annotation was computed. [2021-10-11 02:32:06,894 INFO L262 CegarLoopResult]: For program point L325-8(lines 325 329) no Hoare annotation was computed. [2021-10-11 02:32:06,894 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:32:06,894 INFO L262 CegarLoopResult]: For program point L160-4(lines 160 177) no Hoare annotation was computed. [2021-10-11 02:32:06,895 INFO L262 CegarLoopResult]: For program point L160-5(lines 160 177) no Hoare annotation was computed. [2021-10-11 02:32:06,895 INFO L258 CegarLoopResult]: At program point L128(lines 127 146) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse3 .cse1 .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse3 (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2021-10-11 02:32:06,895 INFO L262 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2021-10-11 02:32:06,895 INFO L258 CegarLoopResult]: At program point L128-2(lines 127 146) the Hoare annotation is: false [2021-10-11 02:32:06,895 INFO L258 CegarLoopResult]: At program point L128-3(lines 127 146) the Hoare annotation is: false [2021-10-11 02:32:06,895 INFO L258 CegarLoopResult]: At program point L492(lines 1 974) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:06,895 INFO L262 CegarLoopResult]: For program point L394(lines 394 398) no Hoare annotation was computed. [2021-10-11 02:32:06,896 INFO L262 CegarLoopResult]: For program point L164(lines 164 172) no Hoare annotation was computed. [2021-10-11 02:32:06,896 INFO L262 CegarLoopResult]: For program point L164-1(lines 164 172) no Hoare annotation was computed. [2021-10-11 02:32:06,896 INFO L262 CegarLoopResult]: For program point L164-2(lines 164 172) no Hoare annotation was computed. [2021-10-11 02:32:06,896 INFO L262 CegarLoopResult]: For program point L164-3(lines 164 172) no Hoare annotation was computed. [2021-10-11 02:32:06,896 INFO L262 CegarLoopResult]: For program point L164-4(lines 164 172) no Hoare annotation was computed. [2021-10-11 02:32:06,896 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:32:06,896 INFO L262 CegarLoopResult]: For program point L164-5(lines 164 172) no Hoare annotation was computed. [2021-10-11 02:32:06,896 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2021-10-11 02:32:06,897 INFO L258 CegarLoopResult]: At program point L462(lines 457 465) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2021-10-11 02:32:06,897 INFO L258 CegarLoopResult]: At program point L462-1(lines 457 465) the Hoare annotation is: false [2021-10-11 02:32:06,897 INFO L258 CegarLoopResult]: At program point L462-2(lines 457 465) the Hoare annotation is: false [2021-10-11 02:32:06,897 INFO L262 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2021-10-11 02:32:06,897 INFO L258 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse6 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4 .cse6) (and .cse0 .cse7 .cse1 .cse2 .cse3) (and .cse5 .cse0 (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) .cse3 .cse4 .cse6) (and .cse0 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse7 .cse1 .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:32:06,897 INFO L258 CegarLoopResult]: At program point L331(lines 316 334) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_activatePump_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:06,898 INFO L258 CegarLoopResult]: At program point L331-1(lines 316 334) the Hoare annotation is: false [2021-10-11 02:32:06,898 INFO L258 CegarLoopResult]: At program point L331-2(lines 316 334) the Hoare annotation is: false [2021-10-11 02:32:06,898 INFO L265 CegarLoopResult]: At program point L596(lines 577 599) the Hoare annotation is: true [2021-10-11 02:32:06,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:32:06 BoogieIcfgContainer [2021-10-11 02:32:06,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:32:06,935 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:32:06,936 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:32:06,936 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:32:06,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:29" (3/4) ... [2021-10-11 02:32:06,939 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:32:06,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:32:06,962 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:32:06,963 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:32:06,965 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:32:06,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:32:06,967 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:32:06,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:32:06,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && tmp == 0bv32) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:32:06,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2021-10-11 02:32:06,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) [2021-10-11 02:32:06,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) [2021-10-11 02:32:06,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32)) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) [2021-10-11 02:32:06,996 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && tmp == 0bv32) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) && tmp == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) && tmp == 0bv32) [2021-10-11 02:32:06,997 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2021-10-11 02:32:06,998 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:32:06,999 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:32:06,999 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) [2021-10-11 02:32:07,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32 [2021-10-11 02:32:07,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32 [2021-10-11 02:32:07,059 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e33803-8d81-434d-860c-eced2d3185b7/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:32:07,059 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:32:07,060 INFO L168 Benchmark]: Toolchain (without parser) took 41188.76 ms. Allocated memory was 60.8 MB in the beginning and 283.1 MB in the end (delta: 222.3 MB). Free memory was 39.9 MB in the beginning and 180.6 MB in the end (delta: -140.7 MB). Peak memory consumption was 82.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:07,061 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 60.8 MB. Free memory is still 42.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:32:07,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.06 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 39.6 MB in the beginning and 57.1 MB in the end (delta: -17.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:07,061 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.98 ms. Allocated memory is still 75.5 MB. Free memory was 57.1 MB in the beginning and 53.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:07,062 INFO L168 Benchmark]: Boogie Preprocessor took 54.41 ms. Allocated memory is still 75.5 MB. Free memory was 53.2 MB in the beginning and 50.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:07,062 INFO L168 Benchmark]: RCFGBuilder took 2743.03 ms. Allocated memory is still 75.5 MB. Free memory was 50.2 MB in the beginning and 28.3 MB in the end (delta: 21.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:07,063 INFO L168 Benchmark]: TraceAbstraction took 37414.70 ms. Allocated memory was 75.5 MB in the beginning and 283.1 MB in the end (delta: 207.6 MB). Free memory was 54.9 MB in the beginning and 192.2 MB in the end (delta: -137.3 MB). Peak memory consumption was 175.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:07,063 INFO L168 Benchmark]: Witness Printer took 124.03 ms. Allocated memory is still 283.1 MB. Free memory was 192.2 MB in the beginning and 180.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:07,065 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 60.8 MB. Free memory is still 42.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 762.06 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 39.6 MB in the beginning and 57.1 MB in the end (delta: -17.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.98 ms. Allocated memory is still 75.5 MB. Free memory was 57.1 MB in the beginning and 53.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.41 ms. Allocated memory is still 75.5 MB. Free memory was 53.2 MB in the beginning and 50.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2743.03 ms. Allocated memory is still 75.5 MB. Free memory was 50.2 MB in the beginning and 28.3 MB in the end (delta: 21.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 37414.70 ms. Allocated memory was 75.5 MB in the beginning and 283.1 MB in the end (delta: 207.6 MB). Free memory was 54.9 MB in the beginning and 192.2 MB in the end (delta: -137.3 MB). Peak memory consumption was 175.8 MB. Max. memory is 16.1 GB. * Witness Printer took 124.03 ms. Allocated memory is still 283.1 MB. Free memory was 192.2 MB in the beginning and 180.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 971]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 971]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 971]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32)) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && tmp == 0bv32) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) && tmp == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) && tmp == 0bv32) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && tmp == 0bv32) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == tmp) && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.8s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1998 SDtfs, 4526 SDslu, 4568 SDs, 0 SdLazy, 855 SolverSat, 174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1182 GetRequests, 1034 SyntacticMatches, 1 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2054 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=556occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 5706 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 168 NumberOfFragments, 929 HoareAnnotationTreeSize, 54 FomulaSimplifications, 13369988 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 54 FomulaSimplificationsInter, 4553362 FormulaSimplificationTreeSizeReductionInter, 12.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 833 NumberOfCodeBlocks, 833 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1081 ConstructedInterpolants, 0 QuantifiedInterpolants, 172209 SizeOfPredicates, 49 NumberOfNonLiveVariables, 4509 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 25 InterpolantComputations, 15 PerfectInterpolantSequences, 167/245 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...