./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG --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 db9cad3d4bb6f197e1ca94da7e6c4fb3038f74aed96fd168a277cfa6f57caad2 ............................................................................................................................................ 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_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG --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 db9cad3d4bb6f197e1ca94da7e6c4fb3038f74aed96fd168a277cfa6f57caad2 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:47:01,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:47:01,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:47:01,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:47:01,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:47:01,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:47:01,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:47:01,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:47:01,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:47:01,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:47:01,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:47:01,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:47:01,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:47:01,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:47:01,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:47:01,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:47:01,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:47:01,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:47:01,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:47:01,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:47:01,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:47:01,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:47:01,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:47:01,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:47:01,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:47:01,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:47:01,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:47:01,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:47:01,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:47:01,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:47:01,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:47:01,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:47:01,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:47:01,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:47:01,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:47:01,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:47:01,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:47:01,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:47:01,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:47:01,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:47:01,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:47:01,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 04:47:01,385 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:47:01,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:47:01,387 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:47:01,387 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:47:01,387 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:47:01,388 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:47:01,388 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:47:01,388 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:47:01,394 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:47:01,395 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:47:01,396 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:47:01,396 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:47:01,396 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:47:01,397 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:47:01,397 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:47:01,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:47:01,398 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:47:01,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:47:01,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:47:01,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:47:01,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:47:01,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:47:01,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:47:01,399 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:47:01,399 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:47:01,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:47:01,400 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:47:01,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:47:01,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:47:01,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:47:01,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:47:01,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:47:01,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:47:01,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:47:01,403 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:47:01,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:47:01,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:47:01,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:47:01,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:47:01,404 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_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9cad3d4bb6f197e1ca94da7e6c4fb3038f74aed96fd168a277cfa6f57caad2 [2021-10-29 04:47:01,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:47:01,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:47:01,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:47:01,744 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:47:01,745 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:47:01,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2021-10-29 04:47:01,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/data/9bd6a285c/6269c7f088f8407aa90b94ea6a5428d7/FLAGc385d09d1 [2021-10-29 04:47:02,325 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:47:02,325 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2021-10-29 04:47:02,337 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/data/9bd6a285c/6269c7f088f8407aa90b94ea6a5428d7/FLAGc385d09d1 [2021-10-29 04:47:02,634 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/data/9bd6a285c/6269c7f088f8407aa90b94ea6a5428d7 [2021-10-29 04:47:02,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:47:02,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:47:02,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:47:02,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:47:02,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:47:02,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:47:02" (1/1) ... [2021-10-29 04:47:02,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:47:02, skipping insertion in model container [2021-10-29 04:47:02,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:47:02" (1/1) ... [2021-10-29 04:47:02,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:47:02,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:47:02,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c[14935,14948] [2021-10-29 04:47:03,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:47:03,029 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) [2021-10-29 04:47:03,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@637755fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:47:03, skipping insertion in model container [2021-10-29 04:47:03,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:47:03,030 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:47:03,032 INFO L168 Benchmark]: Toolchain (without parser) took 392.71 ms. Allocated memory is still 102.8 MB. Free memory was 63.8 MB in the beginning and 74.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:47:03,033 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory is still 80.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:47:03,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.77 ms. Allocated memory is still 102.8 MB. Free memory was 63.6 MB in the beginning and 74.7 MB in the end (delta: -11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:47:03,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory is still 80.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 389.77 ms. Allocated memory is still 102.8 MB. Free memory was 63.6 MB in the beginning and 74.7 MB in the end (delta: -11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 240]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:47:05,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:47:05,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:47:05,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:47:05,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:47:05,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:47:05,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:47:05,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:47:05,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:47:05,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:47:05,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:47:05,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:47:05,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:47:05,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:47:05,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:47:05,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:47:05,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:47:05,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:47:05,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:47:05,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:47:05,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:47:05,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:47:05,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:47:05,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:47:05,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:47:05,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:47:05,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:47:05,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:47:05,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:47:05,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:47:05,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:47:05,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:47:05,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:47:05,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:47:05,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:47:05,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:47:05,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:47:05,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:47:05,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:47:05,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:47:05,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:47:05,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 04:47:05,391 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:47:05,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:47:05,393 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:47:05,393 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:47:05,394 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:47:05,394 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:47:05,394 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:47:05,394 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:47:05,395 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:47:05,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:47:05,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:47:05,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:47:05,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:47:05,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:47:05,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:47:05,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:47:05,399 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:47:05,399 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:47:05,399 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:47:05,400 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:47:05,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:47:05,400 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:47:05,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:47:05,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:47:05,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:47:05,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:47:05,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:47:05,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:47:05,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:47:05,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:47:05,402 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:47:05,402 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:47:05,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:47:05,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:47:05,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:47:05,403 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_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9cad3d4bb6f197e1ca94da7e6c4fb3038f74aed96fd168a277cfa6f57caad2 [2021-10-29 04:47:05,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:47:05,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:47:05,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:47:05,891 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:47:05,892 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:47:05,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2021-10-29 04:47:05,968 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/data/9ad09649a/ff515c083c4341e6b37d3d478fe150dc/FLAG898bdaa6c [2021-10-29 04:47:06,676 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:47:06,677 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2021-10-29 04:47:06,699 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/data/9ad09649a/ff515c083c4341e6b37d3d478fe150dc/FLAG898bdaa6c [2021-10-29 04:47:06,942 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/data/9ad09649a/ff515c083c4341e6b37d3d478fe150dc [2021-10-29 04:47:06,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:47:06,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:47:06,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:47:06,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:47:06,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:47:06,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:47:06" (1/1) ... [2021-10-29 04:47:06,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112f4ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:47:06, skipping insertion in model container [2021-10-29 04:47:06,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:47:06" (1/1) ... [2021-10-29 04:47:06,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:47:07,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:47:07,422 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c[14935,14948] [2021-10-29 04:47:07,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:47:07,488 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 04:47:07,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:47:07,593 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c[14935,14948] [2021-10-29 04:47:07,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:47:07,626 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:47:07,693 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c[14935,14948] [2021-10-29 04:47:07,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:47:07,743 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:47:07,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:47:07 WrapperNode [2021-10-29 04:47:07,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:47:07,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:47:07,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:47:07,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:47:07,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:47:07" (1/1) ... [2021-10-29 04:47:07,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:47:07" (1/1) ... [2021-10-29 04:47:07,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:47:07,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:47:07,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:47:07,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:47:07,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:47:07" (1/1) ... [2021-10-29 04:47:07,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:47:07" (1/1) ... [2021-10-29 04:47:07,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:47:07" (1/1) ... [2021-10-29 04:47:07,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:47:07" (1/1) ... [2021-10-29 04:47:07,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:47:07" (1/1) ... [2021-10-29 04:47:07,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:47:07" (1/1) ... [2021-10-29 04:47:07,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:47:07" (1/1) ... [2021-10-29 04:47:07,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:47:07,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:47:07,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:47:07,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:47:07,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:47:07" (1/1) ... [2021-10-29 04:47:07,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:47:07,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:47:07,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:47:07,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:47:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:47:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:47:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:47:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:47:10,492 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:47:10,493 INFO L299 CfgBuilder]: Removed 208 assume(true) statements. [2021-10-29 04:47:10,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:47:10 BoogieIcfgContainer [2021-10-29 04:47:10,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:47:10,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:47:10,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:47:10,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:47:10,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:47:06" (1/3) ... [2021-10-29 04:47:10,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0682cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:47:10, skipping insertion in model container [2021-10-29 04:47:10,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:47:07" (2/3) ... [2021-10-29 04:47:10,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0682cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:47:10, skipping insertion in model container [2021-10-29 04:47:10,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:47:10" (3/3) ... [2021-10-29 04:47:10,504 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2021-10-29 04:47:10,510 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:47:10,510 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 04:47:10,572 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 04:47:10,578 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 04:47:10,578 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 04:47:10,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 140 states have (on average 1.5214285714285714) internal successors, (213), 143 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:10,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:47:10,633 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:47:10,634 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:47:10,635 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:47:10,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:47:10,641 INFO L85 PathProgramCache]: Analyzing trace with hash -2088069929, now seen corresponding path program 1 times [2021-10-29 04:47:10,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:47:10,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384903570] [2021-10-29 04:47:10,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:47:10,656 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:47:10,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:47:10,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:47:10,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 04:47:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:47:10,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 04:47:10,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:47:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:11,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:47:11,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:11,082 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:47:11,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384903570] [2021-10-29 04:47:11,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384903570] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:47:11,083 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:47:11,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 04:47:11,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363772445] [2021-10-29 04:47:11,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 04:47:11,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:47:11,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 04:47:11,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 04:47:11,111 INFO L87 Difference]: Start difference. First operand has 144 states, 140 states have (on average 1.5214285714285714) internal successors, (213), 143 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:11,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:47:11,171 INFO L93 Difference]: Finished difference Result 281 states and 418 transitions. [2021-10-29 04:47:11,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 04:47:11,173 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 04:47:11,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:47:11,187 INFO L225 Difference]: With dead ends: 281 [2021-10-29 04:47:11,187 INFO L226 Difference]: Without dead ends: 140 [2021-10-29 04:47:11,191 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 04:47:11,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-29 04:47:11,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2021-10-29 04:47:11,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 137 states have (on average 1.467153284671533) internal successors, (201), 139 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:11,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 201 transitions. [2021-10-29 04:47:11,254 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 201 transitions. Word has length 19 [2021-10-29 04:47:11,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:47:11,255 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 201 transitions. [2021-10-29 04:47:11,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2021-10-29 04:47:11,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:47:11,257 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:47:11,257 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:47:11,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 04:47:11,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:47:11,465 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:47:11,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:47:11,465 INFO L85 PathProgramCache]: Analyzing trace with hash -282050376, now seen corresponding path program 1 times [2021-10-29 04:47:11,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:47:11,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895027092] [2021-10-29 04:47:11,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:47:11,467 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:47:11,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:47:11,468 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:47:11,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 04:47:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:47:11,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:47:11,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:47:11,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:11,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:47:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:11,837 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:47:11,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [895027092] [2021-10-29 04:47:11,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [895027092] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:47:11,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:47:11,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 04:47:11,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175613497] [2021-10-29 04:47:11,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:47:11,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:47:11,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:47:11,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:47:11,847 INFO L87 Difference]: Start difference. First operand 140 states and 201 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:11,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:47:11,879 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2021-10-29 04:47:11,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:47:11,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-29 04:47:11,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:47:11,881 INFO L225 Difference]: With dead ends: 140 [2021-10-29 04:47:11,881 INFO L226 Difference]: Without dead ends: 57 [2021-10-29 04:47:11,882 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:47:11,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-29 04:47:11,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-29 04:47:11,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 56 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:11,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2021-10-29 04:47:11,888 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2021-10-29 04:47:11,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:47:11,888 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2021-10-29 04:47:11,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:11,889 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2021-10-29 04:47:11,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:47:11,890 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:47:11,890 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:47:11,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 04:47:12,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:47:12,108 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:47:12,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:47:12,109 INFO L85 PathProgramCache]: Analyzing trace with hash 699838073, now seen corresponding path program 1 times [2021-10-29 04:47:12,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:47:12,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [740943040] [2021-10-29 04:47:12,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:47:12,110 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:47:12,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:47:12,111 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:47:12,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 04:47:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:47:12,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:47:12,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:47:12,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:12,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:47:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:12,585 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:47:12,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [740943040] [2021-10-29 04:47:12,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [740943040] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:47:12,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:47:12,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 04:47:12,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662783131] [2021-10-29 04:47:12,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:47:12,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:47:12,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:47:12,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:47:12,590 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:12,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:47:12,640 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2021-10-29 04:47:12,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:47:12,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-29 04:47:12,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:47:12,642 INFO L225 Difference]: With dead ends: 107 [2021-10-29 04:47:12,642 INFO L226 Difference]: Without dead ends: 57 [2021-10-29 04:47:12,645 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:47:12,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-29 04:47:12,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-29 04:47:12,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 56 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:12,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2021-10-29 04:47:12,655 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 26 [2021-10-29 04:47:12,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:47:12,656 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2021-10-29 04:47:12,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2021-10-29 04:47:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:47:12,659 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:47:12,660 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:47:12,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 04:47:12,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:47:12,876 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:47:12,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:47:12,877 INFO L85 PathProgramCache]: Analyzing trace with hash -649900478, now seen corresponding path program 1 times [2021-10-29 04:47:12,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:47:12,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808796418] [2021-10-29 04:47:12,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:47:12,878 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:47:12,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:47:12,879 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:47:12,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 04:47:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:47:13,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:47:13,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:47:13,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:13,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:47:13,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:13,247 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:47:13,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808796418] [2021-10-29 04:47:13,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1808796418] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:47:13,248 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:47:13,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 04:47:13,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537494696] [2021-10-29 04:47:13,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 04:47:13,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:47:13,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 04:47:13,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:47:13,250 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:13,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:47:13,325 INFO L93 Difference]: Finished difference Result 131 states and 187 transitions. [2021-10-29 04:47:13,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 04:47:13,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-29 04:47:13,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:47:13,327 INFO L225 Difference]: With dead ends: 131 [2021-10-29 04:47:13,327 INFO L226 Difference]: Without dead ends: 81 [2021-10-29 04:47:13,327 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 04:47:13,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-10-29 04:47:13,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2021-10-29 04:47:13,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 78 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:13,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions. [2021-10-29 04:47:13,338 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 28 [2021-10-29 04:47:13,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:47:13,339 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions. [2021-10-29 04:47:13,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:13,339 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2021-10-29 04:47:13,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 04:47:13,340 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:47:13,340 INFO L513 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] [2021-10-29 04:47:13,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 04:47:13,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:47:13,552 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:47:13,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:47:13,553 INFO L85 PathProgramCache]: Analyzing trace with hash 33266286, now seen corresponding path program 1 times [2021-10-29 04:47:13,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:47:13,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264442877] [2021-10-29 04:47:13,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:47:13,554 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:47:13,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:47:13,556 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:47:13,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 04:47:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:47:13,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:47:13,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:47:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:13,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:47:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:13,985 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:47:13,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264442877] [2021-10-29 04:47:13,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1264442877] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:47:13,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:47:13,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 04:47:13,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619720485] [2021-10-29 04:47:13,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 04:47:13,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:47:13,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 04:47:13,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 04:47:13,987 INFO L87 Difference]: Start difference. First operand 79 states and 110 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:14,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:47:14,156 INFO L93 Difference]: Finished difference Result 266 states and 375 transitions. [2021-10-29 04:47:14,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 04:47:14,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-29 04:47:14,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:47:14,159 INFO L225 Difference]: With dead ends: 266 [2021-10-29 04:47:14,160 INFO L226 Difference]: Without dead ends: 194 [2021-10-29 04:47:14,160 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 04:47:14,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-29 04:47:14,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 78. [2021-10-29 04:47:14,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 77 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:14,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2021-10-29 04:47:14,175 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 34 [2021-10-29 04:47:14,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:47:14,176 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2021-10-29 04:47:14,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2021-10-29 04:47:14,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 04:47:14,177 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:47:14,178 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:47:14,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 04:47:14,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:47:14,391 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:47:14,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:47:14,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1851586710, now seen corresponding path program 1 times [2021-10-29 04:47:14,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:47:14,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775374869] [2021-10-29 04:47:14,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:47:14,393 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:47:14,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:47:14,394 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:47:14,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 04:47:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:47:14,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:47:14,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:47:14,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:14,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:47:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:14,841 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:47:14,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775374869] [2021-10-29 04:47:14,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1775374869] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:47:14,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:47:14,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 04:47:14,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098016247] [2021-10-29 04:47:14,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 04:47:14,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:47:14,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 04:47:14,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 04:47:14,846 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:14,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:47:14,924 INFO L93 Difference]: Finished difference Result 198 states and 272 transitions. [2021-10-29 04:47:14,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 04:47:14,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-29 04:47:14,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:47:14,926 INFO L225 Difference]: With dead ends: 198 [2021-10-29 04:47:14,926 INFO L226 Difference]: Without dead ends: 127 [2021-10-29 04:47:14,927 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 04:47:14,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-29 04:47:14,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2021-10-29 04:47:14,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:14,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2021-10-29 04:47:14,948 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 37 [2021-10-29 04:47:14,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:47:14,950 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2021-10-29 04:47:14,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:14,950 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2021-10-29 04:47:14,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 04:47:14,953 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:47:14,953 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:47:14,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 04:47:15,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:47:15,166 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:47:15,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:47:15,167 INFO L85 PathProgramCache]: Analyzing trace with hash 840469460, now seen corresponding path program 1 times [2021-10-29 04:47:15,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:47:15,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961411600] [2021-10-29 04:47:15,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:47:15,168 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:47:15,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:47:15,169 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:47:15,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 04:47:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:47:15,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 04:47:15,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:47:15,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:15,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:47:15,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:15,645 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:47:15,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961411600] [2021-10-29 04:47:15,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961411600] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:47:15,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:47:15,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 04:47:15,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992137674] [2021-10-29 04:47:15,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:47:15,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:47:15,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:47:15,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:47:15,648 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:15,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:47:15,712 INFO L93 Difference]: Finished difference Result 215 states and 289 transitions. [2021-10-29 04:47:15,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 04:47:15,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-29 04:47:15,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:47:15,714 INFO L225 Difference]: With dead ends: 215 [2021-10-29 04:47:15,714 INFO L226 Difference]: Without dead ends: 138 [2021-10-29 04:47:15,714 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 04:47:15,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-10-29 04:47:15,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 88. [2021-10-29 04:47:15,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 87 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:15,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2021-10-29 04:47:15,727 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 37 [2021-10-29 04:47:15,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:47:15,728 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2021-10-29 04:47:15,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:15,728 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2021-10-29 04:47:15,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 04:47:15,729 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:47:15,729 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:47:15,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 04:47:15,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:47:15,942 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:47:15,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:47:15,943 INFO L85 PathProgramCache]: Analyzing trace with hash -180598894, now seen corresponding path program 1 times [2021-10-29 04:47:15,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:47:15,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013095969] [2021-10-29 04:47:15,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:47:15,944 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:47:15,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:47:15,945 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:47:15,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 04:47:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:47:16,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 04:47:16,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:47:16,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:16,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:47:16,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:16,449 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:47:16,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013095969] [2021-10-29 04:47:16,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013095969] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:47:16,450 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:47:16,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 04:47:16,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442857503] [2021-10-29 04:47:16,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 04:47:16,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:47:16,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 04:47:16,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:47:16,451 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:16,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:47:16,519 INFO L93 Difference]: Finished difference Result 258 states and 347 transitions. [2021-10-29 04:47:16,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 04:47:16,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-29 04:47:16,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:47:16,521 INFO L225 Difference]: With dead ends: 258 [2021-10-29 04:47:16,522 INFO L226 Difference]: Without dead ends: 177 [2021-10-29 04:47:16,522 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 04:47:16,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-10-29 04:47:16,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 147. [2021-10-29 04:47:16,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 146 states have (on average 1.3424657534246576) internal successors, (196), 146 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:16,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 196 transitions. [2021-10-29 04:47:16,540 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 196 transitions. Word has length 37 [2021-10-29 04:47:16,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:47:16,541 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 196 transitions. [2021-10-29 04:47:16,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:16,541 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2021-10-29 04:47:16,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 04:47:16,542 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:47:16,542 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:47:16,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 04:47:16,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:47:16,755 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:47:16,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:47:16,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1355199058, now seen corresponding path program 1 times [2021-10-29 04:47:16,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:47:16,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143956846] [2021-10-29 04:47:16,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:47:16,757 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:47:16,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:47:16,757 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:47:16,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 04:47:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:47:17,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 04:47:17,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:47:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:17,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:47:17,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:17,357 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:47:17,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143956846] [2021-10-29 04:47:17,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143956846] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:47:17,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:47:17,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 04:47:17,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37598998] [2021-10-29 04:47:17,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 04:47:17,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:47:17,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 04:47:17,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-29 04:47:17,359 INFO L87 Difference]: Start difference. First operand 147 states and 196 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:18,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:47:18,858 INFO L93 Difference]: Finished difference Result 714 states and 962 transitions. [2021-10-29 04:47:18,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 04:47:18,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-29 04:47:18,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:47:18,864 INFO L225 Difference]: With dead ends: 714 [2021-10-29 04:47:18,864 INFO L226 Difference]: Without dead ends: 574 [2021-10-29 04:47:18,865 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-29 04:47:18,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2021-10-29 04:47:18,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 260. [2021-10-29 04:47:18,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 259 states have (on average 1.3204633204633205) internal successors, (342), 259 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:18,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 342 transitions. [2021-10-29 04:47:18,905 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 342 transitions. Word has length 38 [2021-10-29 04:47:18,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:47:18,906 INFO L470 AbstractCegarLoop]: Abstraction has 260 states and 342 transitions. [2021-10-29 04:47:18,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:18,906 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 342 transitions. [2021-10-29 04:47:18,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 04:47:18,912 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:47:18,912 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:47:18,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 04:47:19,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:47:19,124 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:47:19,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:47:19,125 INFO L85 PathProgramCache]: Analyzing trace with hash 730179745, now seen corresponding path program 1 times [2021-10-29 04:47:19,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:47:19,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002390898] [2021-10-29 04:47:19,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:47:19,126 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:47:19,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:47:19,127 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:47:19,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 04:47:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:47:19,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:47:19,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:47:19,658 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 04:47:19,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:47:19,880 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 04:47:19,881 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:47:19,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002390898] [2021-10-29 04:47:19,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1002390898] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:47:19,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1261911522] [2021-10-29 04:47:19,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:47:19,881 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 04:47:19,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 04:47:19,883 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 04:47:19,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-29 04:47:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:47:20,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 04:47:20,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:47:20,505 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:20,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:47:20,711 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:20,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1261911522] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:47:20,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885865824] [2021-10-29 04:47:20,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:47:20,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 04:47:20,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:47:20,713 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 04:47:20,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-29 04:47:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:47:21,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:47:21,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:47:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:21,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:47:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:47:21,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885865824] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 04:47:21,364 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-29 04:47:21,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 15 [2021-10-29 04:47:21,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366607335] [2021-10-29 04:47:21,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-29 04:47:21,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:47:21,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-29 04:47:21,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-29 04:47:21,366 INFO L87 Difference]: Start difference. First operand 260 states and 342 transitions. Second operand has 15 states, 15 states have (on average 12.6) internal successors, (189), 15 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:28,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:47:28,925 INFO L93 Difference]: Finished difference Result 1929 states and 2658 transitions. [2021-10-29 04:47:28,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-10-29 04:47:28,926 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.6) internal successors, (189), 15 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-10-29 04:47:28,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:47:28,939 INFO L225 Difference]: With dead ends: 1929 [2021-10-29 04:47:28,939 INFO L226 Difference]: Without dead ends: 1676 [2021-10-29 04:47:28,944 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 418 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2841 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1549, Invalid=6641, Unknown=0, NotChecked=0, Total=8190 [2021-10-29 04:47:28,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2021-10-29 04:47:29,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 398. [2021-10-29 04:47:29,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 397 states have (on average 1.3073047858942066) internal successors, (519), 397 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:29,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 519 transitions. [2021-10-29 04:47:29,007 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 519 transitions. Word has length 61 [2021-10-29 04:47:29,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:47:29,008 INFO L470 AbstractCegarLoop]: Abstraction has 398 states and 519 transitions. [2021-10-29 04:47:29,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.6) internal successors, (189), 15 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:29,009 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 519 transitions. [2021-10-29 04:47:29,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-10-29 04:47:29,011 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 04:47:29,011 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:47:29,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-29 04:47:29,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-29 04:47:29,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 04:47:29,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:47:29,622 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 04:47:29,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:47:29,622 INFO L85 PathProgramCache]: Analyzing trace with hash -2070333154, now seen corresponding path program 1 times [2021-10-29 04:47:29,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 04:47:29,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360514382] [2021-10-29 04:47:29,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 04:47:29,623 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 04:47:29,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 04:47:29,624 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 04:47:29,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-29 04:47:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:47:30,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:47:30,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:47:30,289 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-29 04:47:30,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 04:47:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-29 04:47:30,568 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 04:47:30,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360514382] [2021-10-29 04:47:30,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1360514382] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 04:47:30,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 04:47:30,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 04:47:30,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550623913] [2021-10-29 04:47:30,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 04:47:30,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 04:47:30,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 04:47:30,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 04:47:30,572 INFO L87 Difference]: Start difference. First operand 398 states and 519 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:30,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 04:47:30,651 INFO L93 Difference]: Finished difference Result 593 states and 763 transitions. [2021-10-29 04:47:30,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 04:47:30,652 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2021-10-29 04:47:30,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 04:47:30,652 INFO L225 Difference]: With dead ends: 593 [2021-10-29 04:47:30,653 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 04:47:30,654 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 04:47:30,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 04:47:30,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 04:47:30,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:30,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 04:47:30,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2021-10-29 04:47:30,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 04:47:30,655 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 04:47:30,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 04:47:30,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 04:47:30,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:47:30,660 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:47:30,660 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:47:30,661 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 04:47:30,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-29 04:47:30,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 04:47:30,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 04:47:30,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:30,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:30,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:30,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:30,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:30,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:30,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:30,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:30,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:31,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 04:47:35,016 INFO L853 garLoopResultBuilder]: At program point L101-4(lines 96 104) the Hoare annotation is: false [2021-10-29 04:47:35,016 INFO L853 garLoopResultBuilder]: At program point L101-5(lines 96 104) the Hoare annotation is: false [2021-10-29 04:47:35,016 INFO L857 garLoopResultBuilder]: For program point L828(lines 828 845) no Hoare annotation was computed. [2021-10-29 04:47:35,016 INFO L857 garLoopResultBuilder]: For program point L828-1(lines 828 845) no Hoare annotation was computed. [2021-10-29 04:47:35,016 INFO L857 garLoopResultBuilder]: For program point L828-2(lines 828 845) no Hoare annotation was computed. [2021-10-29 04:47:35,016 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2021-10-29 04:47:35,016 INFO L853 garLoopResultBuilder]: At program point L169(lines 164 171) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:47:35,017 INFO L857 garLoopResultBuilder]: For program point L731(lines 731 744) no Hoare annotation was computed. [2021-10-29 04:47:35,017 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 871) no Hoare annotation was computed. [2021-10-29 04:47:35,017 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 840) no Hoare annotation was computed. [2021-10-29 04:47:35,017 INFO L857 garLoopResultBuilder]: For program point L865-2(lines 865 871) no Hoare annotation was computed. [2021-10-29 04:47:35,017 INFO L857 garLoopResultBuilder]: For program point L832-1(lines 832 840) no Hoare annotation was computed. [2021-10-29 04:47:35,017 INFO L857 garLoopResultBuilder]: For program point L832-2(lines 832 840) no Hoare annotation was computed. [2021-10-29 04:47:35,018 INFO L857 garLoopResultBuilder]: For program point L865-4(lines 865 871) no Hoare annotation was computed. [2021-10-29 04:47:35,018 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 674) no Hoare annotation was computed. [2021-10-29 04:47:35,018 INFO L857 garLoopResultBuilder]: For program point L865-6(lines 865 871) no Hoare annotation was computed. [2021-10-29 04:47:35,018 INFO L860 garLoopResultBuilder]: At program point L667-1(lines 667 674) the Hoare annotation is: true [2021-10-29 04:47:35,018 INFO L857 garLoopResultBuilder]: For program point L865-8(lines 865 871) no Hoare annotation was computed. [2021-10-29 04:47:35,018 INFO L857 garLoopResultBuilder]: For program point L865-10(lines 865 871) no Hoare annotation was computed. [2021-10-29 04:47:35,019 INFO L853 garLoopResultBuilder]: At program point L899(lines 894 902) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse4 .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse5))) [2021-10-29 04:47:35,019 INFO L853 garLoopResultBuilder]: At program point L899-1(lines 894 902) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:47:35,019 INFO L853 garLoopResultBuilder]: At program point L899-2(lines 894 902) the Hoare annotation is: false [2021-10-29 04:47:35,019 INFO L853 garLoopResultBuilder]: At program point L899-3(lines 894 902) the Hoare annotation is: false [2021-10-29 04:47:35,019 INFO L853 garLoopResultBuilder]: At program point L899-4(lines 894 902) the Hoare annotation is: false [2021-10-29 04:47:35,020 INFO L853 garLoopResultBuilder]: At program point L899-5(lines 894 902) the Hoare annotation is: false [2021-10-29 04:47:35,020 INFO L857 garLoopResultBuilder]: For program point L702(lines 701 748) no Hoare annotation was computed. [2021-10-29 04:47:35,020 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2021-10-29 04:47:35,020 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2021-10-29 04:47:35,020 INFO L857 garLoopResultBuilder]: For program point L141-2(lines 141 147) no Hoare annotation was computed. [2021-10-29 04:47:35,020 INFO L857 garLoopResultBuilder]: For program point L141-3(lines 141 147) no Hoare annotation was computed. [2021-10-29 04:47:35,020 INFO L857 garLoopResultBuilder]: For program point L141-4(lines 141 147) no Hoare annotation was computed. [2021-10-29 04:47:35,021 INFO L857 garLoopResultBuilder]: For program point L141-5(lines 141 147) no Hoare annotation was computed. [2021-10-29 04:47:35,021 INFO L857 garLoopResultBuilder]: For program point L967(lines 967 971) no Hoare annotation was computed. [2021-10-29 04:47:35,021 INFO L857 garLoopResultBuilder]: For program point L967-2(lines 967 971) no Hoare annotation was computed. [2021-10-29 04:47:35,021 INFO L857 garLoopResultBuilder]: For program point L967-3(lines 967 971) no Hoare annotation was computed. [2021-10-29 04:47:35,021 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 819) no Hoare annotation was computed. [2021-10-29 04:47:35,021 INFO L857 garLoopResultBuilder]: For program point L967-5(lines 967 971) no Hoare annotation was computed. [2021-10-29 04:47:35,022 INFO L857 garLoopResultBuilder]: For program point L802-1(lines 802 819) no Hoare annotation was computed. [2021-10-29 04:47:35,022 INFO L857 garLoopResultBuilder]: For program point L967-6(lines 967 971) no Hoare annotation was computed. [2021-10-29 04:47:35,022 INFO L857 garLoopResultBuilder]: For program point L802-2(lines 802 819) no Hoare annotation was computed. [2021-10-29 04:47:35,022 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2021-10-29 04:47:35,022 INFO L857 garLoopResultBuilder]: For program point L802-3(lines 802 819) no Hoare annotation was computed. [2021-10-29 04:47:35,022 INFO L857 garLoopResultBuilder]: For program point L967-8(lines 967 971) no Hoare annotation was computed. [2021-10-29 04:47:35,023 INFO L857 garLoopResultBuilder]: For program point L802-4(lines 802 819) no Hoare annotation was computed. [2021-10-29 04:47:35,023 INFO L857 garLoopResultBuilder]: For program point L802-5(lines 802 819) no Hoare annotation was computed. [2021-10-29 04:47:35,023 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2021-10-29 04:47:35,023 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2021-10-29 04:47:35,023 INFO L853 garLoopResultBuilder]: At program point L770(lines 766 788) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)))) [2021-10-29 04:47:35,023 INFO L853 garLoopResultBuilder]: At program point L770-1(lines 766 788) the Hoare annotation is: false [2021-10-29 04:47:35,024 INFO L853 garLoopResultBuilder]: At program point L770-2(lines 766 788) the Hoare annotation is: false [2021-10-29 04:47:35,024 INFO L853 garLoopResultBuilder]: At program point L639(lines 635 641) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:47:35,024 INFO L857 garLoopResultBuilder]: For program point L739(lines 739 743) no Hoare annotation was computed. [2021-10-29 04:47:35,024 INFO L853 garLoopResultBuilder]: At program point L739-2(lines 739 743) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse1 .cse2) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-29 04:47:35,024 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 814) no Hoare annotation was computed. [2021-10-29 04:47:35,024 INFO L857 garLoopResultBuilder]: For program point L806-1(lines 806 814) no Hoare annotation was computed. [2021-10-29 04:47:35,025 INFO L857 garLoopResultBuilder]: For program point L806-2(lines 806 814) no Hoare annotation was computed. [2021-10-29 04:47:35,025 INFO L857 garLoopResultBuilder]: For program point L806-3(lines 806 814) no Hoare annotation was computed. [2021-10-29 04:47:35,025 INFO L857 garLoopResultBuilder]: For program point L806-4(lines 806 814) no Hoare annotation was computed. [2021-10-29 04:47:35,025 INFO L857 garLoopResultBuilder]: For program point L806-5(lines 806 814) no Hoare annotation was computed. [2021-10-29 04:47:35,025 INFO L853 garLoopResultBuilder]: At program point L179(lines 770 776) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse4 .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse5))) [2021-10-29 04:47:35,025 INFO L853 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: false [2021-10-29 04:47:35,026 INFO L853 garLoopResultBuilder]: At program point L179-1(lines 770 776) the Hoare annotation is: false [2021-10-29 04:47:35,026 INFO L853 garLoopResultBuilder]: At program point L146-1(lines 137 150) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-29 04:47:35,026 INFO L853 garLoopResultBuilder]: At program point L179-2(lines 770 776) the Hoare annotation is: false [2021-10-29 04:47:35,026 INFO L853 garLoopResultBuilder]: At program point L146-2(lines 137 150) the Hoare annotation is: false [2021-10-29 04:47:35,026 INFO L853 garLoopResultBuilder]: At program point L146-3(lines 137 150) the Hoare annotation is: false [2021-10-29 04:47:35,027 INFO L853 garLoopResultBuilder]: At program point L146-4(lines 137 150) the Hoare annotation is: false [2021-10-29 04:47:35,027 INFO L853 garLoopResultBuilder]: At program point L146-5(lines 137 150) the Hoare annotation is: false [2021-10-29 04:47:35,027 INFO L853 garLoopResultBuilder]: At program point L973(lines 958 976) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-29 04:47:35,027 INFO L853 garLoopResultBuilder]: At program point L973-1(lines 958 976) the Hoare annotation is: false [2021-10-29 04:47:35,027 INFO L853 garLoopResultBuilder]: At program point L973-2(lines 958 976) the Hoare annotation is: false [2021-10-29 04:47:35,027 INFO L860 garLoopResultBuilder]: At program point L676(lines 657 679) the Hoare annotation is: true [2021-10-29 04:47:35,028 INFO L853 garLoopResultBuilder]: At program point L1008(lines 1 1019) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:47:35,028 INFO L853 garLoopResultBuilder]: At program point L777(lines 777 783) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse1 .cse2) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-29 04:47:35,028 INFO L853 garLoopResultBuilder]: At program point L777-1(lines 777 783) the Hoare annotation is: false [2021-10-29 04:47:35,028 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2021-10-29 04:47:35,028 INFO L853 garLoopResultBuilder]: At program point L777-2(lines 777 783) the Hoare annotation is: false [2021-10-29 04:47:35,029 INFO L853 garLoopResultBuilder]: At program point L711-1(lines 711 717) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse1 .cse2) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-29 04:47:35,029 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 04:47:35,029 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 92) no Hoare annotation was computed. [2021-10-29 04:47:35,029 INFO L853 garLoopResultBuilder]: At program point L749(lines 700 750) the Hoare annotation is: false [2021-10-29 04:47:35,029 INFO L857 garLoopResultBuilder]: For program point L948(lines 948 952) no Hoare annotation was computed. [2021-10-29 04:47:35,029 INFO L857 garLoopResultBuilder]: For program point L948-2(lines 948 952) no Hoare annotation was computed. [2021-10-29 04:47:35,030 INFO L857 garLoopResultBuilder]: For program point L948-3(lines 948 952) no Hoare annotation was computed. [2021-10-29 04:47:35,030 INFO L857 garLoopResultBuilder]: For program point L948-5(lines 948 952) no Hoare annotation was computed. [2021-10-29 04:47:35,030 INFO L857 garLoopResultBuilder]: For program point L948-6(lines 948 952) no Hoare annotation was computed. [2021-10-29 04:47:35,030 INFO L857 garLoopResultBuilder]: For program point L948-8(lines 948 952) no Hoare annotation was computed. [2021-10-29 04:47:35,030 INFO L857 garLoopResultBuilder]: For program point L948-9(lines 948 952) no Hoare annotation was computed. [2021-10-29 04:47:35,030 INFO L857 garLoopResultBuilder]: For program point L948-11(lines 948 952) no Hoare annotation was computed. [2021-10-29 04:47:35,030 INFO L857 garLoopResultBuilder]: For program point L948-12(lines 948 952) no Hoare annotation was computed. [2021-10-29 04:47:35,031 INFO L857 garLoopResultBuilder]: For program point L948-14(lines 948 952) no Hoare annotation was computed. [2021-10-29 04:47:35,031 INFO L857 garLoopResultBuilder]: For program point L948-15(lines 948 952) no Hoare annotation was computed. [2021-10-29 04:47:35,031 INFO L857 garLoopResultBuilder]: For program point L948-17(lines 948 952) no Hoare annotation was computed. [2021-10-29 04:47:35,031 INFO L853 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-29 04:47:35,031 INFO L853 garLoopResultBuilder]: At program point L156-1(lines 151 159) the Hoare annotation is: false [2021-10-29 04:47:35,032 INFO L853 garLoopResultBuilder]: At program point L156-2(lines 151 159) the Hoare annotation is: false [2021-10-29 04:47:35,032 INFO L857 garLoopResultBuilder]: For program point L685(line 685) no Hoare annotation was computed. [2021-10-29 04:47:35,032 INFO L857 garLoopResultBuilder]: For program point L685-1(line 685) no Hoare annotation was computed. [2021-10-29 04:47:35,032 INFO L857 garLoopResultBuilder]: For program point L685-2(line 685) no Hoare annotation was computed. [2021-10-29 04:47:35,032 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 04:47:35,032 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 207) no Hoare annotation was computed. [2021-10-29 04:47:35,033 INFO L853 garLoopResultBuilder]: At program point L190-1(lines 1 1019) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse5 .cse1 .cse2 .cse6 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse5 .cse1 .cse2 .cse6))) [2021-10-29 04:47:35,033 INFO L857 garLoopResultBuilder]: For program point L190-2(lines 190 207) no Hoare annotation was computed. [2021-10-29 04:47:35,033 INFO L853 garLoopResultBuilder]: At program point L190-3(lines 1 1019) the Hoare annotation is: false [2021-10-29 04:47:35,033 INFO L857 garLoopResultBuilder]: For program point L190-4(lines 190 207) no Hoare annotation was computed. [2021-10-29 04:47:35,033 INFO L853 garLoopResultBuilder]: At program point L190-5(lines 1 1019) the Hoare annotation is: false [2021-10-29 04:47:35,033 INFO L853 garLoopResultBuilder]: At program point L1016(lines 1011 1019) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:47:35,034 INFO L857 garLoopResultBuilder]: For program point L721(lines 721 727) no Hoare annotation was computed. [2021-10-29 04:47:35,034 INFO L853 garLoopResultBuilder]: At program point L721-1(lines 721 727) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse1 .cse2) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-29 04:47:35,034 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 04:47:35,034 INFO L853 garLoopResultBuilder]: At program point L590-2(lines 590 604) the Hoare annotation is: false [2021-10-29 04:47:35,034 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 204) no Hoare annotation was computed. [2021-10-29 04:47:35,034 INFO L857 garLoopResultBuilder]: For program point L194-2(lines 194 204) no Hoare annotation was computed. [2021-10-29 04:47:35,035 INFO L857 garLoopResultBuilder]: For program point L194-4(lines 194 204) no Hoare annotation was computed. [2021-10-29 04:47:35,035 INFO L853 garLoopResultBuilder]: At program point L954(lines 939 957) the Hoare annotation is: false [2021-10-29 04:47:35,035 INFO L853 garLoopResultBuilder]: At program point L954-1(lines 939 957) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-29 04:47:35,035 INFO L853 garLoopResultBuilder]: At program point L954-2(lines 939 957) the Hoare annotation is: false [2021-10-29 04:47:35,035 INFO L853 garLoopResultBuilder]: At program point L954-3(lines 939 957) the Hoare annotation is: false [2021-10-29 04:47:35,036 INFO L853 garLoopResultBuilder]: At program point L954-4(lines 939 957) the Hoare annotation is: false [2021-10-29 04:47:35,036 INFO L853 garLoopResultBuilder]: At program point L954-5(lines 939 957) the Hoare annotation is: false [2021-10-29 04:47:35,036 INFO L857 garLoopResultBuilder]: For program point L591(line 591) no Hoare annotation was computed. [2021-10-29 04:47:35,036 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 201) no Hoare annotation was computed. [2021-10-29 04:47:35,036 INFO L857 garLoopResultBuilder]: For program point L195-2(lines 195 201) no Hoare annotation was computed. [2021-10-29 04:47:35,036 INFO L857 garLoopResultBuilder]: For program point L195-4(lines 195 201) no Hoare annotation was computed. [2021-10-29 04:47:35,036 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2021-10-29 04:47:35,037 INFO L857 garLoopResultBuilder]: For program point L64-3(lines 64 68) no Hoare annotation was computed. [2021-10-29 04:47:35,037 INFO L853 garLoopResultBuilder]: At program point L890(lines 883 893) the Hoare annotation is: false [2021-10-29 04:47:35,037 INFO L857 garLoopResultBuilder]: For program point L64-6(lines 64 68) no Hoare annotation was computed. [2021-10-29 04:47:35,037 INFO L853 garLoopResultBuilder]: At program point L890-1(lines 883 893) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:47:35,037 INFO L853 garLoopResultBuilder]: At program point L890-2(lines 883 893) the Hoare annotation is: false [2021-10-29 04:47:35,037 INFO L853 garLoopResultBuilder]: At program point L890-3(lines 883 893) the Hoare annotation is: false [2021-10-29 04:47:35,038 INFO L853 garLoopResultBuilder]: At program point L890-4(lines 883 893) the Hoare annotation is: false [2021-10-29 04:47:35,038 INFO L853 garLoopResultBuilder]: At program point L890-5(lines 883 893) the Hoare annotation is: false [2021-10-29 04:47:35,038 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 04:47:35,038 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2021-10-29 04:47:35,038 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:47:35,038 INFO L857 garLoopResultBuilder]: For program point L594-1(lines 594 598) no Hoare annotation was computed. [2021-10-29 04:47:35,039 INFO L853 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse5 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse1 .cse2 .cse5))) [2021-10-29 04:47:35,039 INFO L853 garLoopResultBuilder]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2021-10-29 04:47:35,039 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-10-29 04:47:35,039 INFO L853 garLoopResultBuilder]: At program point L101(lines 96 104) the Hoare annotation is: false [2021-10-29 04:47:35,039 INFO L853 garLoopResultBuilder]: At program point L101-1(lines 96 104) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 04:47:35,039 INFO L853 garLoopResultBuilder]: At program point L101-2(lines 96 104) the Hoare annotation is: false [2021-10-29 04:47:35,040 INFO L853 garLoopResultBuilder]: At program point L101-3(lines 96 104) the Hoare annotation is: false [2021-10-29 04:47:35,043 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 04:47:35,044 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 04:47:35,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:47:35 BoogieIcfgContainer [2021-10-29 04:47:35,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:47:35,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:47:35,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:47:35,074 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:47:35,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:47:10" (3/4) ... [2021-10-29 04:47:35,077 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:47:35,096 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 04:47:35,098 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 04:47:35,099 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 04:47:35,101 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:47:35,102 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:47:35,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:47:35,105 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:47:35,128 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-29 04:47:35,128 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-29 04:47:35,129 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-29 04:47:35,129 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) [2021-10-29 04:47:35,129 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:47:35,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:47:35,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:47:35,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:47:35,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:47:35,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) [2021-10-29 04:47:35,132 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:47:35,133 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) [2021-10-29 04:47:35,133 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-10-29 04:47:35,134 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:47:35,134 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-29 04:47:35,135 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 1bv32 == \result [2021-10-29 04:47:35,135 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 04:47:35,137 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 04:47:35,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 04:47:35,196 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 04:47:35,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:47:35,197 INFO L168 Benchmark]: Toolchain (without parser) took 28250.77 ms. Allocated memory was 73.4 MB in the beginning and 121.6 MB in the end (delta: 48.2 MB). Free memory was 53.6 MB in the beginning and 42.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 59.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:47:35,198 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 53.2 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:47:35,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.73 ms. Allocated memory is still 73.4 MB. Free memory was 53.5 MB in the beginning and 40.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:47:35,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.73 ms. Allocated memory is still 73.4 MB. Free memory was 40.4 MB in the beginning and 36.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:47:35,199 INFO L168 Benchmark]: Boogie Preprocessor took 73.75 ms. Allocated memory is still 73.4 MB. Free memory was 36.6 MB in the beginning and 33.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:47:35,199 INFO L168 Benchmark]: RCFGBuilder took 2565.21 ms. Allocated memory was 73.4 MB in the beginning and 100.7 MB in the end (delta: 27.3 MB). Free memory was 33.4 MB in the beginning and 49.9 MB in the end (delta: -16.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:47:35,200 INFO L168 Benchmark]: TraceAbstraction took 24575.33 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 49.4 MB in the beginning and 54.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 44.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:47:35,200 INFO L168 Benchmark]: Witness Printer took 122.65 ms. Allocated memory is still 121.6 MB. Free memory was 54.1 MB in the beginning and 42.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:47:35,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 53.2 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 783.73 ms. Allocated memory is still 73.4 MB. Free memory was 53.5 MB in the beginning and 40.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.73 ms. Allocated memory is still 73.4 MB. Free memory was 40.4 MB in the beginning and 36.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.75 ms. Allocated memory is still 73.4 MB. Free memory was 36.6 MB in the beginning and 33.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2565.21 ms. Allocated memory was 73.4 MB in the beginning and 100.7 MB in the end (delta: 27.3 MB). Free memory was 33.4 MB in the beginning and 49.9 MB in the end (delta: -16.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24575.33 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 49.4 MB in the beginning and 54.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 44.6 MB. Max. memory is 16.1 GB. * Witness Printer took 122.65 ms. Allocated memory is still 121.6 MB. Free memory was 54.1 MB in the beginning and 42.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 685]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 685]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 685]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 24.4s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1410 SDtfs, 3170 SDslu, 3977 SDs, 0 SdLazy, 969 SolverSat, 169 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1279 GetRequests, 1149 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2858 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=398occurred in iteration=10, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1833 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 62 PreInvPairs, 152 NumberOfFragments, 766 HoareAnnotationTreeSize, 62 FomulaSimplifications, 293493 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 62 FomulaSimplificationsInter, 28230 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 568 NumberOfCodeBlocks, 568 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1110 ConstructedInterpolants, 0 QuantifiedInterpolants, 1982 SizeOfPredicates, 28 NumberOfNonLiveVariables, 2992 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 296/320 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 1bv32 == \result - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 04:47:35,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a949d67-0e95-41de-b1fb-5fd620c3f6a0/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...