./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8 --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 8e882693bcbcb1a63ff9494a2e39acf2974fbfcd ............................................................................................................................................ 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_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8 --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 8e882693bcbcb1a63ff9494a2e39acf2974fbfcd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:51:34,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:51:34,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:51:34,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:51:34,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:51:34,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:51:34,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:51:34,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:51:34,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:51:34,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:51:34,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:51:34,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:51:34,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:51:34,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:51:34,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:51:34,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:51:34,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:51:34,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:51:34,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:51:34,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:51:34,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:51:34,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:51:34,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:51:34,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:51:34,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:51:34,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:51:34,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:51:34,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:51:34,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:51:34,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:51:34,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:51:34,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:51:34,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:51:34,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:51:34,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:51:34,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:51:34,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:51:34,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:51:34,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:51:34,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:51:34,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:51:34,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:51:34,396 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:51:34,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:51:34,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:51:34,398 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:51:34,398 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:51:34,398 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:51:34,398 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:51:34,399 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:51:34,407 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:51:34,407 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:51:34,408 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:51:34,408 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:51:34,409 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:51:34,409 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:51:34,409 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:51:34,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:51:34,410 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:51:34,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:51:34,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:51:34,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:51:34,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:51:34,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:51:34,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:51:34,411 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:51:34,412 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:51:34,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:51:34,412 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:51:34,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:51:34,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:51:34,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:51:34,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:51:34,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:51:34,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:51:34,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:51:34,415 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:51:34,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:51:34,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:51:34,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:51:34,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:51:34,416 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_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e882693bcbcb1a63ff9494a2e39acf2974fbfcd [2021-10-13 07:51:34,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:51:34,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:51:34,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:51:34,778 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:51:34,779 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:51:34,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-10-13 07:51:34,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/data/e4663352e/0da8e5370481477b9dfcfca1867bb63d/FLAG204da4844 [2021-10-13 07:51:35,420 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:51:35,421 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-10-13 07:51:35,435 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/data/e4663352e/0da8e5370481477b9dfcfca1867bb63d/FLAG204da4844 [2021-10-13 07:51:35,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/data/e4663352e/0da8e5370481477b9dfcfca1867bb63d [2021-10-13 07:51:35,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:51:35,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:51:35,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:35,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:51:35,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:51:35,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:35" (1/1) ... [2021-10-13 07:51:35,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5629eb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:35, skipping insertion in model container [2021-10-13 07:51:35,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:35" (1/1) ... [2021-10-13 07:51:35,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:51:35,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:51:36,166 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_37334c6e-77db-4265-a109-aa0ba90bc9f6/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17591,17604] [2021-10-13 07:51:36,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:36,206 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) [2021-10-13 07:51:36,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ac243f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:36, skipping insertion in model container [2021-10-13 07:51:36,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:36,208 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:51:36,210 INFO L168 Benchmark]: Toolchain (without parser) took 496.58 ms. Allocated memory is still 94.4 MB. Free memory was 51.6 MB in the beginning and 65.1 MB in the end (delta: -13.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:51:36,211 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory is still 68.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:51:36,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.87 ms. Allocated memory is still 94.4 MB. Free memory was 72.1 MB in the beginning and 65.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:36,215 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory is still 68.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 472.87 ms. Allocated memory is still 94.4 MB. Free memory was 72.1 MB in the beginning and 65.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: 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-4e77c04 [2021-10-13 07:51:38,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:51:38,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:51:38,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:51:38,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:51:38,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:51:38,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:51:38,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:51:38,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:51:38,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:51:38,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:51:38,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:51:38,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:51:38,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:51:38,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:51:38,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:51:38,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:51:38,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:51:38,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:51:38,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:51:38,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:51:38,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:51:38,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:51:38,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:51:38,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:51:38,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:51:38,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:51:38,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:51:38,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:51:38,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:51:38,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:51:38,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:51:38,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:51:38,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:51:38,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:51:38,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:51:38,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:51:38,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:51:38,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:51:38,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:51:38,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:51:38,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:51:38,767 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:51:38,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:51:38,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:51:38,770 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:51:38,770 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:51:38,770 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:51:38,770 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:51:38,771 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:51:38,771 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:51:38,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:51:38,774 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:51:38,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:51:38,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:51:38,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:51:38,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:51:38,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:51:38,776 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:51:38,776 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:51:38,776 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:51:38,776 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:51:38,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:51:38,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:51:38,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:51:38,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:51:38,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:51:38,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:51:38,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:51:38,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:51:38,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:51:38,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:51:38,779 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:51:38,780 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:51:38,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:51:38,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:51:38,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:51:38,781 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_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e882693bcbcb1a63ff9494a2e39acf2974fbfcd [2021-10-13 07:51:39,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:51:39,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:51:39,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:51:39,278 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:51:39,279 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:51:39,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-10-13 07:51:39,359 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/data/e6516d7d5/e9d8e4e58cd04f8f94de808abe76451a/FLAG5b983884e [2021-10-13 07:51:40,132 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:51:40,132 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-10-13 07:51:40,155 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/data/e6516d7d5/e9d8e4e58cd04f8f94de808abe76451a/FLAG5b983884e [2021-10-13 07:51:40,392 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/data/e6516d7d5/e9d8e4e58cd04f8f94de808abe76451a [2021-10-13 07:51:40,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:51:40,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:51:40,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:40,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:51:40,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:51:40,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:40" (1/1) ... [2021-10-13 07:51:40,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e64acf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:40, skipping insertion in model container [2021-10-13 07:51:40,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:40" (1/1) ... [2021-10-13 07:51:40,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:51:40,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:51:40,867 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_37334c6e-77db-4265-a109-aa0ba90bc9f6/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17591,17604] [2021-10-13 07:51:40,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:40,907 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:51:40,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:51:40,987 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_37334c6e-77db-4265-a109-aa0ba90bc9f6/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17591,17604] [2021-10-13 07:51:40,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:41,014 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:51:41,121 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_37334c6e-77db-4265-a109-aa0ba90bc9f6/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17591,17604] [2021-10-13 07:51:41,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:41,152 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:51:41,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:41 WrapperNode [2021-10-13 07:51:41,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:41,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:51:41,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:51:41,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:51:41,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:41" (1/1) ... [2021-10-13 07:51:41,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:41" (1/1) ... [2021-10-13 07:51:41,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:51:41,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:51:41,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:51:41,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:51:41,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:41" (1/1) ... [2021-10-13 07:51:41,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:41" (1/1) ... [2021-10-13 07:51:41,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:41" (1/1) ... [2021-10-13 07:51:41,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:41" (1/1) ... [2021-10-13 07:51:41,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:41" (1/1) ... [2021-10-13 07:51:41,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:41" (1/1) ... [2021-10-13 07:51:41,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:41" (1/1) ... [2021-10-13 07:51:41,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:51:41,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:51:41,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:51:41,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:51:41,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:41" (1/1) ... [2021-10-13 07:51:41,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:51:41,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:51:41,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:51:41,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:51:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:51:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:51:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:51:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:51:44,332 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:51:44,333 INFO L299 CfgBuilder]: Removed 290 assume(true) statements. [2021-10-13 07:51:44,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:51:44 BoogieIcfgContainer [2021-10-13 07:51:44,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:51:44,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:51:44,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:51:44,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:51:44,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:51:40" (1/3) ... [2021-10-13 07:51:44,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d23d631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:51:44, skipping insertion in model container [2021-10-13 07:51:44,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:41" (2/3) ... [2021-10-13 07:51:44,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d23d631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:51:44, skipping insertion in model container [2021-10-13 07:51:44,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:51:44" (3/3) ... [2021-10-13 07:51:44,346 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2021-10-13 07:51:44,352 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:51:44,352 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:51:44,409 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:51:44,417 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, mConcurrency=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 [2021-10-13 07:51:44,417 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:51:44,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 194 states have (on average 1.5463917525773196) internal successors, (300), 197 states have internal predecessors, (300), 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) [2021-10-13 07:51:44,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 07:51:44,461 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:44,462 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:44,463 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:44,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:44,477 INFO L82 PathProgramCache]: Analyzing trace with hash -750612192, now seen corresponding path program 1 times [2021-10-13 07:51:44,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:44,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1400165993] [2021-10-13 07:51:44,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:44,496 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:44,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:44,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:44,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:51:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:44,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:51:44,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:44,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:44,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:44,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:44,927 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:44,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1400165993] [2021-10-13 07:51:44,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1400165993] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:44,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:44,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:51:44,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142352645] [2021-10-13 07:51:44,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:51:44,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:44,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:51:44,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:51:44,956 INFO L87 Difference]: Start difference. First operand has 198 states, 194 states have (on average 1.5463917525773196) internal successors, (300), 197 states have internal predecessors, (300), 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) [2021-10-13 07:51:45,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:45,001 INFO L93 Difference]: Finished difference Result 389 states and 592 transitions. [2021-10-13 07:51:45,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:51:45,003 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 [2021-10-13 07:51:45,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:45,015 INFO L225 Difference]: With dead ends: 389 [2021-10-13 07:51:45,015 INFO L226 Difference]: Without dead ends: 194 [2021-10-13 07:51:45,018 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:51:45,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-13 07:51:45,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2021-10-13 07:51:45,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 191 states have (on average 1.5078534031413613) internal successors, (288), 193 states have internal predecessors, (288), 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) [2021-10-13 07:51:45,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 288 transitions. [2021-10-13 07:51:45,071 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 288 transitions. Word has length 19 [2021-10-13 07:51:45,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:45,072 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 288 transitions. [2021-10-13 07:51:45,072 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) [2021-10-13 07:51:45,072 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 288 transitions. [2021-10-13 07:51:45,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 07:51:45,074 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:45,074 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:45,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:45,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:45,293 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:45,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:45,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1114380044, now seen corresponding path program 1 times [2021-10-13 07:51:45,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:45,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898992853] [2021-10-13 07:51:45,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:45,296 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:45,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:45,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:45,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:51:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:45,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:51:45,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:45,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:45,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:45,728 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:45,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898992853] [2021-10-13 07:51:45,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [898992853] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:45,729 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:45,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:51:45,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744967188] [2021-10-13 07:51:45,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:51:45,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:45,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:51:45,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:51:45,737 INFO L87 Difference]: Start difference. First operand 194 states and 288 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) [2021-10-13 07:51:45,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:45,775 INFO L93 Difference]: Finished difference Result 194 states and 288 transitions. [2021-10-13 07:51:45,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:51:45,780 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 [2021-10-13 07:51:45,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:45,784 INFO L225 Difference]: With dead ends: 194 [2021-10-13 07:51:45,785 INFO L226 Difference]: Without dead ends: 75 [2021-10-13 07:51:45,786 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:51:45,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-13 07:51:45,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-13 07:51:45,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4864864864864864) internal successors, (110), 74 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) [2021-10-13 07:51:45,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2021-10-13 07:51:45,805 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 20 [2021-10-13 07:51:45,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:45,806 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2021-10-13 07:51:45,806 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) [2021-10-13 07:51:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2021-10-13 07:51:45,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:51:45,807 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:45,808 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:45,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:46,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:46,023 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:46,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:46,026 INFO L82 PathProgramCache]: Analyzing trace with hash 298878360, now seen corresponding path program 1 times [2021-10-13 07:51:46,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:46,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1951530629] [2021-10-13 07:51:46,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:46,027 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:46,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:46,030 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:46,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:51:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:46,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:51:46,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:46,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:46,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:46,530 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:46,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1951530629] [2021-10-13 07:51:46,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1951530629] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:46,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:46,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:51:46,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639274529] [2021-10-13 07:51:46,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:51:46,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:46,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:51:46,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:51:46,537 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:46,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:46,561 INFO L93 Difference]: Finished difference Result 143 states and 213 transitions. [2021-10-13 07:51:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:51:46,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 07:51:46,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:46,563 INFO L225 Difference]: With dead ends: 143 [2021-10-13 07:51:46,563 INFO L226 Difference]: Without dead ends: 75 [2021-10-13 07:51:46,565 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:51:46,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-13 07:51:46,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-13 07:51:46,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.472972972972973) internal successors, (109), 74 states have internal predecessors, (109), 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) [2021-10-13 07:51:46,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions. [2021-10-13 07:51:46,579 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 26 [2021-10-13 07:51:46,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:46,580 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 109 transitions. [2021-10-13 07:51:46,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:46,581 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2021-10-13 07:51:46,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 07:51:46,584 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:46,585 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:46,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-13 07:51:46,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:46,802 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:46,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:46,803 INFO L82 PathProgramCache]: Analyzing trace with hash -149422890, now seen corresponding path program 1 times [2021-10-13 07:51:46,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:46,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512609845] [2021-10-13 07:51:46,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:46,804 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:46,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:46,810 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:46,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:51:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:47,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:51:47,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:47,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:47,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:47,235 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:47,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512609845] [2021-10-13 07:51:47,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1512609845] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:47,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:47,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:51:47,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678476025] [2021-10-13 07:51:47,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:51:47,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:47,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:51:47,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:51:47,238 INFO L87 Difference]: Start difference. First operand 75 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-10-13 07:51:47,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:47,315 INFO L93 Difference]: Finished difference Result 155 states and 227 transitions. [2021-10-13 07:51:47,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:51:47,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2021-10-13 07:51:47,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:47,317 INFO L225 Difference]: With dead ends: 155 [2021-10-13 07:51:47,317 INFO L226 Difference]: Without dead ends: 87 [2021-10-13 07:51:47,318 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:51:47,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-13 07:51:47,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2021-10-13 07:51:47,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 84 states have internal predecessors, (119), 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) [2021-10-13 07:51:47,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 119 transitions. [2021-10-13 07:51:47,346 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 119 transitions. Word has length 29 [2021-10-13 07:51:47,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:47,347 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 119 transitions. [2021-10-13 07:51:47,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-10-13 07:51:47,348 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2021-10-13 07:51:47,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 07:51:47,349 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:47,349 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:47,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:47,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:47,550 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:47,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:47,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1951483845, now seen corresponding path program 1 times [2021-10-13 07:51:47,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:47,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600352981] [2021-10-13 07:51:47,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:47,552 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:47,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:47,553 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:47,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:51:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:47,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:51:47,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:47,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:48,068 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:48,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600352981] [2021-10-13 07:51:48,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1600352981] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:48,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:48,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:51:48,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450298904] [2021-10-13 07:51:48,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:51:48,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:48,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:51:48,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:51:48,079 INFO L87 Difference]: Start difference. First operand 85 states and 119 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-13 07:51:48,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:48,204 INFO L93 Difference]: Finished difference Result 223 states and 310 transitions. [2021-10-13 07:51:48,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:51:48,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-13 07:51:48,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:48,207 INFO L225 Difference]: With dead ends: 223 [2021-10-13 07:51:48,207 INFO L226 Difference]: Without dead ends: 145 [2021-10-13 07:51:48,208 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:51:48,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-10-13 07:51:48,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 94. [2021-10-13 07:51:48,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 93 states have internal predecessors, (128), 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) [2021-10-13 07:51:48,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 128 transitions. [2021-10-13 07:51:48,222 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 128 transitions. Word has length 35 [2021-10-13 07:51:48,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:48,223 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 128 transitions. [2021-10-13 07:51:48,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-13 07:51:48,224 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2021-10-13 07:51:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 07:51:48,225 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:48,225 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:48,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:48,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:48,449 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:48,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:48,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1410019742, now seen corresponding path program 1 times [2021-10-13 07:51:48,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:48,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251009143] [2021-10-13 07:51:48,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:48,450 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:48,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:48,451 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:48,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:51:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:48,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:51:48,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:48,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:48,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:48,956 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:48,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251009143] [2021-10-13 07:51:48,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251009143] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:48,957 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:48,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:51:48,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787896996] [2021-10-13 07:51:48,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:51:48,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:48,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:51:48,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:51:48,959 INFO L87 Difference]: Start difference. First operand 94 states and 128 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-13 07:51:49,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:49,153 INFO L93 Difference]: Finished difference Result 313 states and 429 transitions. [2021-10-13 07:51:49,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 07:51:49,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-13 07:51:49,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:49,155 INFO L225 Difference]: With dead ends: 313 [2021-10-13 07:51:49,155 INFO L226 Difference]: Without dead ends: 226 [2021-10-13 07:51:49,156 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 48.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:51:49,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-10-13 07:51:49,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 93. [2021-10-13 07:51:49,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.358695652173913) internal successors, (125), 92 states have internal predecessors, (125), 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) [2021-10-13 07:51:49,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 125 transitions. [2021-10-13 07:51:49,171 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 125 transitions. Word has length 35 [2021-10-13 07:51:49,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:49,172 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 125 transitions. [2021-10-13 07:51:49,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-13 07:51:49,172 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 125 transitions. [2021-10-13 07:51:49,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 07:51:49,173 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:49,174 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:49,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:49,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:49,388 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:49,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:49,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1642418873, now seen corresponding path program 1 times [2021-10-13 07:51:49,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:49,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1130325648] [2021-10-13 07:51:49,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:49,390 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:49,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:49,390 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:49,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:51:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:49,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:51:49,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:49,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:49,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:49,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:49,865 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:49,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1130325648] [2021-10-13 07:51:49,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1130325648] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:49,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:49,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:51:49,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40858288] [2021-10-13 07:51:49,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:51:49,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:49,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:51:49,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:51:49,870 INFO L87 Difference]: Start difference. First operand 93 states and 125 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 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) [2021-10-13 07:51:49,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:49,969 INFO L93 Difference]: Finished difference Result 240 states and 321 transitions. [2021-10-13 07:51:49,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:51:49,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 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 35 [2021-10-13 07:51:49,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:49,971 INFO L225 Difference]: With dead ends: 240 [2021-10-13 07:51:49,972 INFO L226 Difference]: Without dead ends: 154 [2021-10-13 07:51:49,974 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 26.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:51:49,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-10-13 07:51:49,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 99. [2021-10-13 07:51:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.336734693877551) internal successors, (131), 98 states have internal predecessors, (131), 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) [2021-10-13 07:51:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 131 transitions. [2021-10-13 07:51:49,990 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 131 transitions. Word has length 35 [2021-10-13 07:51:49,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:49,991 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 131 transitions. [2021-10-13 07:51:49,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 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) [2021-10-13 07:51:49,991 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 131 transitions. [2021-10-13 07:51:49,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 07:51:49,992 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:49,993 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:50,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:50,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:50,206 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:50,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:50,206 INFO L82 PathProgramCache]: Analyzing trace with hash 2065742409, now seen corresponding path program 1 times [2021-10-13 07:51:50,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:50,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1098049867] [2021-10-13 07:51:50,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:50,208 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:50,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:50,210 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:50,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:51:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:50,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:51:50,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:50,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:50,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:50,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:50,750 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:50,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1098049867] [2021-10-13 07:51:50,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1098049867] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:50,751 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:50,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:51:50,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395570316] [2021-10-13 07:51:50,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:51:50,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:50,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:51:50,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:51:50,753 INFO L87 Difference]: Start difference. First operand 99 states and 131 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-10-13 07:51:50,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:50,841 INFO L93 Difference]: Finished difference Result 291 states and 389 transitions. [2021-10-13 07:51:50,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:51:50,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-13 07:51:50,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:50,844 INFO L225 Difference]: With dead ends: 291 [2021-10-13 07:51:50,844 INFO L226 Difference]: Without dead ends: 199 [2021-10-13 07:51:50,845 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:51:50,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-10-13 07:51:50,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 168. [2021-10-13 07:51:50,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.3293413173652695) internal successors, (222), 167 states have internal predecessors, (222), 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) [2021-10-13 07:51:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 222 transitions. [2021-10-13 07:51:50,868 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 222 transitions. Word has length 35 [2021-10-13 07:51:50,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:50,868 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 222 transitions. [2021-10-13 07:51:50,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-10-13 07:51:50,869 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 222 transitions. [2021-10-13 07:51:50,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 07:51:50,870 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:50,870 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:50,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:51,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:51,084 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:51,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:51,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1741083913, now seen corresponding path program 1 times [2021-10-13 07:51:51,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:51,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [921716126] [2021-10-13 07:51:51,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:51,085 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:51,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:51,086 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:51,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:51:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:51,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:51:51,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:51,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:51,780 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:51,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [921716126] [2021-10-13 07:51:51,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [921716126] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:51,781 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:51,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:51:51,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133470515] [2021-10-13 07:51:51,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:51:51,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:51,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:51:51,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:51:51,783 INFO L87 Difference]: Start difference. First operand 168 states and 222 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:53,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:53,651 INFO L93 Difference]: Finished difference Result 809 states and 1078 transitions. [2021-10-13 07:51:53,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:51:53,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-13 07:51:53,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:53,657 INFO L225 Difference]: With dead ends: 809 [2021-10-13 07:51:53,657 INFO L226 Difference]: Without dead ends: 648 [2021-10-13 07:51:53,658 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 80.5ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:51:53,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2021-10-13 07:51:53,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 291. [2021-10-13 07:51:53,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 290 states have (on average 1.306896551724138) internal successors, (379), 290 states have internal predecessors, (379), 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) [2021-10-13 07:51:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 379 transitions. [2021-10-13 07:51:53,702 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 379 transitions. Word has length 36 [2021-10-13 07:51:53,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:53,703 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 379 transitions. [2021-10-13 07:51:53,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:53,703 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 379 transitions. [2021-10-13 07:51:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-13 07:51:53,705 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:53,706 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:53,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:53,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:53,921 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:53,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:53,922 INFO L82 PathProgramCache]: Analyzing trace with hash -905921982, now seen corresponding path program 1 times [2021-10-13 07:51:53,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:53,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1964935978] [2021-10-13 07:51:53,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:53,922 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:53,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:53,924 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:53,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 07:51:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:54,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:51:54,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:54,490 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-13 07:51:54,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-13 07:51:54,650 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:54,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1964935978] [2021-10-13 07:51:54,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1964935978] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:54,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:54,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:51:54,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171729145] [2021-10-13 07:51:54,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:51:54,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:54,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:51:54,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:51:54,653 INFO L87 Difference]: Start difference. First operand 291 states and 379 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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) [2021-10-13 07:51:54,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:54,814 INFO L93 Difference]: Finished difference Result 935 states and 1217 transitions. [2021-10-13 07:51:54,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:51:54,815 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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 63 [2021-10-13 07:51:54,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:54,821 INFO L225 Difference]: With dead ends: 935 [2021-10-13 07:51:54,821 INFO L226 Difference]: Without dead ends: 651 [2021-10-13 07:51:54,822 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 64.4ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:51:54,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2021-10-13 07:51:54,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 300. [2021-10-13 07:51:54,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 299 states have (on average 1.2976588628762542) internal successors, (388), 299 states have internal predecessors, (388), 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) [2021-10-13 07:51:54,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 388 transitions. [2021-10-13 07:51:54,877 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 388 transitions. Word has length 63 [2021-10-13 07:51:54,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:54,877 INFO L470 AbstractCegarLoop]: Abstraction has 300 states and 388 transitions. [2021-10-13 07:51:54,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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) [2021-10-13 07:51:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 388 transitions. [2021-10-13 07:51:54,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-13 07:51:54,881 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:54,881 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:54,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:55,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:55,103 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:55,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:55,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1164087420, now seen corresponding path program 1 times [2021-10-13 07:51:55,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:55,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172898168] [2021-10-13 07:51:55,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:55,104 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:55,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:55,106 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:55,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 07:51:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:55,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:51:55,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:55,775 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 07:51:55,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:56,116 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 07:51:56,116 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:56,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172898168] [2021-10-13 07:51:56,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172898168] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:51:56,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2131808358] [2021-10-13 07:51:56,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:56,117 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:51:56,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:51:56,119 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:51:56,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-13 07:51:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:56,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:51:56,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:56,958 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:56,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:57,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2131808358] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:51:57,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449011185] [2021-10-13 07:51:57,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:57,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:51:57,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:51:57,244 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:51:57,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-13 07:51:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:57,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:51:57,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:57,907 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:57,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:58,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:58,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449011185] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:51:58,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:51:58,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2021-10-13 07:51:58,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814213485] [2021-10-13 07:51:58,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-13 07:51:58,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:58,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-13 07:51:58,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-13 07:51:58,131 INFO L87 Difference]: Start difference. First operand 300 states and 388 transitions. Second operand has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 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) [2021-10-13 07:52:07,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:52:07,147 INFO L93 Difference]: Finished difference Result 561 states and 732 transitions. [2021-10-13 07:52:07,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-13 07:52:07,148 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 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 63 [2021-10-13 07:52:07,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:52:07,149 INFO L225 Difference]: With dead ends: 561 [2021-10-13 07:52:07,149 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:52:07,151 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 541.2ms TimeCoverageRelationStatistics Valid=252, Invalid=804, Unknown=0, NotChecked=0, Total=1056 [2021-10-13 07:52:07,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:52:07,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:52:07,151 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) [2021-10-13 07:52:07,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:52:07,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-10-13 07:52:07,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:52:07,152 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:52:07,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 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) [2021-10-13 07:52:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:52:07,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:52:07,155 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:52:07,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:52:07,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:52:07,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-13 07:52:07,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-13 07:52:07,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-13 07:52:07,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:52:07,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:52:07,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:08,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:12,777 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 931) no Hoare annotation was computed. [2021-10-13 07:52:12,778 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 904) no Hoare annotation was computed. [2021-10-13 07:52:12,778 INFO L860 garLoopResultBuilder]: At program point L895(lines 876 898) the Hoare annotation is: true [2021-10-13 07:52:12,778 INFO L853 garLoopResultBuilder]: At program point L862(lines 858 864) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:52:12,778 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 474) no Hoare annotation was computed. [2021-10-13 07:52:12,779 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 466 474) no Hoare annotation was computed. [2021-10-13 07:52:12,779 INFO L857 garLoopResultBuilder]: For program point L466-2(lines 466 474) no Hoare annotation was computed. [2021-10-13 07:52:12,779 INFO L857 garLoopResultBuilder]: For program point L466-3(lines 466 474) no Hoare annotation was computed. [2021-10-13 07:52:12,779 INFO L857 garLoopResultBuilder]: For program point L466-4(lines 466 474) no Hoare annotation was computed. [2021-10-13 07:52:12,779 INFO L857 garLoopResultBuilder]: For program point L466-5(lines 466 474) no Hoare annotation was computed. [2021-10-13 07:52:12,780 INFO L857 garLoopResultBuilder]: For program point L466-6(lines 466 474) no Hoare annotation was computed. [2021-10-13 07:52:12,780 INFO L857 garLoopResultBuilder]: For program point L466-7(lines 466 474) no Hoare annotation was computed. [2021-10-13 07:52:12,780 INFO L857 garLoopResultBuilder]: For program point L466-8(lines 466 474) no Hoare annotation was computed. [2021-10-13 07:52:12,780 INFO L857 garLoopResultBuilder]: For program point L466-9(lines 466 474) no Hoare annotation was computed. [2021-10-13 07:52:12,780 INFO L857 garLoopResultBuilder]: For program point L466-10(lines 466 474) no Hoare annotation was computed. [2021-10-13 07:52:12,781 INFO L857 garLoopResultBuilder]: For program point L466-11(lines 466 474) no Hoare annotation was computed. [2021-10-13 07:52:12,781 INFO L857 garLoopResultBuilder]: For program point L698(lines 697 742) no Hoare annotation was computed. [2021-10-13 07:52:12,781 INFO L857 garLoopResultBuilder]: For program point L699(lines 699 703) no Hoare annotation was computed. [2021-10-13 07:52:12,781 INFO L853 garLoopResultBuilder]: At program point L567(lines 562 570) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-13 07:52:12,782 INFO L853 garLoopResultBuilder]: At program point L567-1(lines 562 570) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:52:12,782 INFO L853 garLoopResultBuilder]: At program point L567-2(lines 562 570) the Hoare annotation is: false [2021-10-13 07:52:12,782 INFO L853 garLoopResultBuilder]: At program point L567-3(lines 562 570) the Hoare annotation is: false [2021-10-13 07:52:12,782 INFO L853 garLoopResultBuilder]: At program point L567-4(lines 562 570) the Hoare annotation is: false [2021-10-13 07:52:12,782 INFO L853 garLoopResultBuilder]: At program point L567-5(lines 562 570) the Hoare annotation is: false [2021-10-13 07:52:12,783 INFO L853 garLoopResultBuilder]: At program point L997(lines 988 1001) the Hoare annotation is: false [2021-10-13 07:52:12,783 INFO L853 garLoopResultBuilder]: At program point L997-1(lines 988 1001) the Hoare annotation is: false [2021-10-13 07:52:12,783 INFO L853 garLoopResultBuilder]: At program point L997-2(lines 988 1001) the Hoare annotation is: false [2021-10-13 07:52:12,783 INFO L853 garLoopResultBuilder]: At program point L997-3(lines 988 1001) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-13 07:52:12,784 INFO L853 garLoopResultBuilder]: At program point L997-4(lines 988 1001) the Hoare annotation is: false [2021-10-13 07:52:12,784 INFO L853 garLoopResultBuilder]: At program point L997-5(lines 988 1001) the Hoare annotation is: false [2021-10-13 07:52:12,784 INFO L853 garLoopResultBuilder]: At program point L997-6(lines 988 1001) the Hoare annotation is: false [2021-10-13 07:52:12,784 INFO L853 garLoopResultBuilder]: At program point L997-7(lines 988 1001) the Hoare annotation is: false [2021-10-13 07:52:12,784 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 737) no Hoare annotation was computed. [2021-10-13 07:52:12,785 INFO L853 garLoopResultBuilder]: At program point L997-8(lines 988 1001) the Hoare annotation is: false [2021-10-13 07:52:12,785 INFO L853 garLoopResultBuilder]: At program point L997-9(lines 988 1001) the Hoare annotation is: false [2021-10-13 07:52:12,785 INFO L857 garLoopResultBuilder]: For program point L733-2(lines 727 738) no Hoare annotation was computed. [2021-10-13 07:52:12,785 INFO L853 garLoopResultBuilder]: At program point L997-10(lines 988 1001) the Hoare annotation is: false [2021-10-13 07:52:12,785 INFO L853 garLoopResultBuilder]: At program point L997-11(lines 988 1001) the Hoare annotation is: false [2021-10-13 07:52:12,786 INFO L857 garLoopResultBuilder]: For program point L635(lines 635 639) no Hoare annotation was computed. [2021-10-13 07:52:12,786 INFO L857 garLoopResultBuilder]: For program point L635-2(lines 635 639) no Hoare annotation was computed. [2021-10-13 07:52:12,786 INFO L857 garLoopResultBuilder]: For program point L635-3(lines 635 639) no Hoare annotation was computed. [2021-10-13 07:52:12,786 INFO L857 garLoopResultBuilder]: For program point L635-5(lines 635 639) no Hoare annotation was computed. [2021-10-13 07:52:12,786 INFO L853 garLoopResultBuilder]: At program point L437(lines 437 443) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-13 07:52:12,787 INFO L857 garLoopResultBuilder]: For program point L635-6(lines 635 639) no Hoare annotation was computed. [2021-10-13 07:52:12,787 INFO L853 garLoopResultBuilder]: At program point L437-1(lines 437 443) the Hoare annotation is: false [2021-10-13 07:52:12,787 INFO L857 garLoopResultBuilder]: For program point L635-8(lines 635 639) no Hoare annotation was computed. [2021-10-13 07:52:12,787 INFO L853 garLoopResultBuilder]: At program point L437-2(lines 437 443) the Hoare annotation is: false [2021-10-13 07:52:12,787 INFO L857 garLoopResultBuilder]: For program point L635-9(lines 635 639) no Hoare annotation was computed. [2021-10-13 07:52:12,788 INFO L857 garLoopResultBuilder]: For program point L635-11(lines 635 639) no Hoare annotation was computed. [2021-10-13 07:52:12,788 INFO L857 garLoopResultBuilder]: For program point L635-12(lines 635 639) no Hoare annotation was computed. [2021-10-13 07:52:12,788 INFO L857 garLoopResultBuilder]: For program point L635-14(lines 635 639) no Hoare annotation was computed. [2021-10-13 07:52:12,788 INFO L857 garLoopResultBuilder]: For program point L635-15(lines 635 639) no Hoare annotation was computed. [2021-10-13 07:52:12,788 INFO L857 garLoopResultBuilder]: For program point L635-17(lines 635 639) no Hoare annotation was computed. [2021-10-13 07:52:12,789 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 904) no Hoare annotation was computed. [2021-10-13 07:52:12,789 INFO L853 garLoopResultBuilder]: At program point L770(lines 430 436) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)))) [2021-10-13 07:52:12,789 INFO L853 garLoopResultBuilder]: At program point L770-1(lines 430 436) the Hoare annotation is: false [2021-10-13 07:52:12,789 INFO L853 garLoopResultBuilder]: At program point L770-2(lines 430 436) the Hoare annotation is: false [2021-10-13 07:52:12,790 INFO L853 garLoopResultBuilder]: At program point L671(lines 1 1010) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:52:12,790 INFO L857 garLoopResultBuilder]: For program point L904(line 904) no Hoare annotation was computed. [2021-10-13 07:52:12,790 INFO L857 garLoopResultBuilder]: For program point L904-1(line 904) no Hoare annotation was computed. [2021-10-13 07:52:12,790 INFO L857 garLoopResultBuilder]: For program point L904-2(line 904) no Hoare annotation was computed. [2021-10-13 07:52:12,790 INFO L857 garLoopResultBuilder]: For program point L707(lines 707 713) no Hoare annotation was computed. [2021-10-13 07:52:12,791 INFO L853 garLoopResultBuilder]: At program point L707-1(lines 707 713) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-13 07:52:12,791 INFO L853 garLoopResultBuilder]: At program point L641(lines 626 644) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~7 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-13 07:52:12,791 INFO L853 garLoopResultBuilder]: At program point L641-1(lines 626 644) the Hoare annotation is: false [2021-10-13 07:52:12,791 INFO L853 garLoopResultBuilder]: At program point L641-2(lines 626 644) the Hoare annotation is: false [2021-10-13 07:52:12,792 INFO L853 garLoopResultBuilder]: At program point L641-3(lines 626 644) the Hoare annotation is: false [2021-10-13 07:52:12,792 INFO L853 garLoopResultBuilder]: At program point L641-4(lines 626 644) the Hoare annotation is: false [2021-10-13 07:52:12,792 INFO L853 garLoopResultBuilder]: At program point L641-5(lines 626 644) the Hoare annotation is: false [2021-10-13 07:52:12,792 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 943) no Hoare annotation was computed. [2021-10-13 07:52:12,792 INFO L853 garLoopResultBuilder]: At program point L1007(lines 1002 1010) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-13 07:52:12,793 INFO L853 garLoopResultBuilder]: At program point L1007-1(lines 1002 1010) the Hoare annotation is: false [2021-10-13 07:52:12,793 INFO L853 garLoopResultBuilder]: At program point L1007-2(lines 1002 1010) the Hoare annotation is: false [2021-10-13 07:52:12,793 INFO L853 garLoopResultBuilder]: At program point L1007-3(lines 1002 1010) the Hoare annotation is: false [2021-10-13 07:52:12,793 INFO L853 garLoopResultBuilder]: At program point L1007-4(lines 1002 1010) the Hoare annotation is: false [2021-10-13 07:52:12,793 INFO L853 garLoopResultBuilder]: At program point L1007-5(lines 1002 1010) the Hoare annotation is: false [2021-10-13 07:52:12,794 INFO L853 garLoopResultBuilder]: At program point L743(lines 696 744) the Hoare annotation is: false [2021-10-13 07:52:12,794 INFO L853 garLoopResultBuilder]: At program point L679(lines 674 682) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:52:12,794 INFO L857 garLoopResultBuilder]: For program point L514(lines 514 531) no Hoare annotation was computed. [2021-10-13 07:52:12,794 INFO L857 garLoopResultBuilder]: For program point L514-1(lines 514 531) no Hoare annotation was computed. [2021-10-13 07:52:12,795 INFO L857 garLoopResultBuilder]: For program point L514-2(lines 514 531) no Hoare annotation was computed. [2021-10-13 07:52:12,795 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:52:12,795 INFO L857 garLoopResultBuilder]: For program point L781(lines 781 798) no Hoare annotation was computed. [2021-10-13 07:52:12,795 INFO L853 garLoopResultBuilder]: At program point L781-1(lines 1 1010) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9)) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse5))) [2021-10-13 07:52:12,795 INFO L853 garLoopResultBuilder]: At program point L814-2(lines 814 828) the Hoare annotation is: false [2021-10-13 07:52:12,796 INFO L857 garLoopResultBuilder]: For program point L781-2(lines 781 798) no Hoare annotation was computed. [2021-10-13 07:52:12,796 INFO L853 garLoopResultBuilder]: At program point L781-3(lines 1 1010) the Hoare annotation is: false [2021-10-13 07:52:12,796 INFO L857 garLoopResultBuilder]: For program point L781-4(lines 781 798) no Hoare annotation was computed. [2021-10-13 07:52:12,796 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,796 INFO L853 garLoopResultBuilder]: At program point L781-5(lines 1 1010) the Hoare annotation is: false [2021-10-13 07:52:12,797 INFO L857 garLoopResultBuilder]: For program point L616-2(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,797 INFO L857 garLoopResultBuilder]: For program point L616-3(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,797 INFO L857 garLoopResultBuilder]: For program point L616-5(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,797 INFO L857 garLoopResultBuilder]: For program point L616-6(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,797 INFO L857 garLoopResultBuilder]: For program point L616-8(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,798 INFO L857 garLoopResultBuilder]: For program point L616-9(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,798 INFO L857 garLoopResultBuilder]: For program point L616-11(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,798 INFO L857 garLoopResultBuilder]: For program point L616-12(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,798 INFO L857 garLoopResultBuilder]: For program point L616-14(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,798 INFO L857 garLoopResultBuilder]: For program point L616-15(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,798 INFO L857 garLoopResultBuilder]: For program point L616-17(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,799 INFO L857 garLoopResultBuilder]: For program point L616-18(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,799 INFO L857 garLoopResultBuilder]: For program point L616-20(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,799 INFO L857 garLoopResultBuilder]: For program point L616-21(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,799 INFO L857 garLoopResultBuilder]: For program point L616-23(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,799 INFO L857 garLoopResultBuilder]: For program point L616-24(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,800 INFO L857 garLoopResultBuilder]: For program point L815(line 815) no Hoare annotation was computed. [2021-10-13 07:52:12,800 INFO L857 garLoopResultBuilder]: For program point L616-26(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,800 INFO L857 garLoopResultBuilder]: For program point L616-27(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,800 INFO L857 garLoopResultBuilder]: For program point L616-29(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,800 INFO L857 garLoopResultBuilder]: For program point L616-30(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,800 INFO L857 garLoopResultBuilder]: For program point L616-32(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,801 INFO L857 garLoopResultBuilder]: For program point L616-33(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,801 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 526) no Hoare annotation was computed. [2021-10-13 07:52:12,801 INFO L857 garLoopResultBuilder]: For program point L518-1(lines 518 526) no Hoare annotation was computed. [2021-10-13 07:52:12,801 INFO L857 garLoopResultBuilder]: For program point L616-35(lines 616 620) no Hoare annotation was computed. [2021-10-13 07:52:12,801 INFO L857 garLoopResultBuilder]: For program point L518-2(lines 518 526) no Hoare annotation was computed. [2021-10-13 07:52:12,802 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 919) no Hoare annotation was computed. [2021-10-13 07:52:12,802 INFO L857 garLoopResultBuilder]: For program point L915-3(lines 915 919) no Hoare annotation was computed. [2021-10-13 07:52:12,802 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 723) no Hoare annotation was computed. [2021-10-13 07:52:12,802 INFO L857 garLoopResultBuilder]: For program point L915-6(lines 915 919) no Hoare annotation was computed. [2021-10-13 07:52:12,802 INFO L853 garLoopResultBuilder]: At program point L717-1(lines 717 723) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-13 07:52:12,803 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:52:12,803 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2021-10-13 07:52:12,803 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 795) no Hoare annotation was computed. [2021-10-13 07:52:12,803 INFO L857 garLoopResultBuilder]: For program point L818-1(lines 818 822) no Hoare annotation was computed. [2021-10-13 07:52:12,803 INFO L857 garLoopResultBuilder]: For program point L785-2(lines 785 795) no Hoare annotation was computed. [2021-10-13 07:52:12,803 INFO L857 garLoopResultBuilder]: For program point L785-4(lines 785 795) no Hoare annotation was computed. [2021-10-13 07:52:12,804 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 505) no Hoare annotation was computed. [2021-10-13 07:52:12,804 INFO L857 garLoopResultBuilder]: For program point L488-1(lines 488 505) no Hoare annotation was computed. [2021-10-13 07:52:12,804 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 505) no Hoare annotation was computed. [2021-10-13 07:52:12,804 INFO L857 garLoopResultBuilder]: For program point L488-3(lines 488 505) no Hoare annotation was computed. [2021-10-13 07:52:12,804 INFO L857 garLoopResultBuilder]: For program point L488-4(lines 488 505) no Hoare annotation was computed. [2021-10-13 07:52:12,805 INFO L857 garLoopResultBuilder]: For program point L488-5(lines 488 505) no Hoare annotation was computed. [2021-10-13 07:52:12,805 INFO L853 garLoopResultBuilder]: At program point L984(lines 979 987) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-10-13 07:52:12,805 INFO L853 garLoopResultBuilder]: At program point L984-1(lines 979 987) the Hoare annotation is: false [2021-10-13 07:52:12,805 INFO L853 garLoopResultBuilder]: At program point L984-2(lines 979 987) the Hoare annotation is: false [2021-10-13 07:52:12,805 INFO L857 garLoopResultBuilder]: For program point L786(lines 786 792) no Hoare annotation was computed. [2021-10-13 07:52:12,806 INFO L857 garLoopResultBuilder]: For program point L786-2(lines 786 792) no Hoare annotation was computed. [2021-10-13 07:52:12,806 INFO L857 garLoopResultBuilder]: For program point L786-4(lines 786 792) no Hoare annotation was computed. [2021-10-13 07:52:12,806 INFO L853 garLoopResultBuilder]: At program point L952(lines 947 955) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-13 07:52:12,806 INFO L853 garLoopResultBuilder]: At program point L952-1(lines 947 955) the Hoare annotation is: false [2021-10-13 07:52:12,806 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 893) no Hoare annotation was computed. [2021-10-13 07:52:12,807 INFO L853 garLoopResultBuilder]: At program point L952-2(lines 947 955) the Hoare annotation is: false [2021-10-13 07:52:12,807 INFO L860 garLoopResultBuilder]: At program point L886-1(lines 886 893) the Hoare annotation is: true [2021-10-13 07:52:12,807 INFO L853 garLoopResultBuilder]: At program point L622(lines 607 625) the Hoare annotation is: false [2021-10-13 07:52:12,807 INFO L853 garLoopResultBuilder]: At program point L622-1(lines 607 625) the Hoare annotation is: false [2021-10-13 07:52:12,807 INFO L853 garLoopResultBuilder]: At program point L622-2(lines 607 625) the Hoare annotation is: false [2021-10-13 07:52:12,808 INFO L853 garLoopResultBuilder]: At program point L622-3(lines 607 625) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-13 07:52:12,808 INFO L853 garLoopResultBuilder]: At program point L622-4(lines 607 625) the Hoare annotation is: false [2021-10-13 07:52:12,808 INFO L853 garLoopResultBuilder]: At program point L622-5(lines 607 625) the Hoare annotation is: false [2021-10-13 07:52:12,808 INFO L853 garLoopResultBuilder]: At program point L622-6(lines 607 625) the Hoare annotation is: false [2021-10-13 07:52:12,808 INFO L853 garLoopResultBuilder]: At program point L622-7(lines 607 625) the Hoare annotation is: false [2021-10-13 07:52:12,809 INFO L853 garLoopResultBuilder]: At program point L622-8(lines 607 625) the Hoare annotation is: false [2021-10-13 07:52:12,809 INFO L853 garLoopResultBuilder]: At program point L622-9(lines 607 625) the Hoare annotation is: false [2021-10-13 07:52:12,809 INFO L853 garLoopResultBuilder]: At program point L622-10(lines 607 625) the Hoare annotation is: false [2021-10-13 07:52:12,809 INFO L853 garLoopResultBuilder]: At program point L622-11(lines 607 625) the Hoare annotation is: false [2021-10-13 07:52:12,809 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:52:12,810 INFO L853 garLoopResultBuilder]: At program point L558(lines 551 561) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-13 07:52:12,810 INFO L853 garLoopResultBuilder]: At program point L558-1(lines 551 561) the Hoare annotation is: false [2021-10-13 07:52:12,810 INFO L857 garLoopResultBuilder]: For program point L492(lines 492 500) no Hoare annotation was computed. [2021-10-13 07:52:12,810 INFO L853 garLoopResultBuilder]: At program point L558-2(lines 551 561) the Hoare annotation is: false [2021-10-13 07:52:12,810 INFO L857 garLoopResultBuilder]: For program point L492-1(lines 492 500) no Hoare annotation was computed. [2021-10-13 07:52:12,810 INFO L857 garLoopResultBuilder]: For program point L492-2(lines 492 500) no Hoare annotation was computed. [2021-10-13 07:52:12,811 INFO L857 garLoopResultBuilder]: For program point L492-3(lines 492 500) no Hoare annotation was computed. [2021-10-13 07:52:12,811 INFO L857 garLoopResultBuilder]: For program point L492-4(lines 492 500) no Hoare annotation was computed. [2021-10-13 07:52:12,811 INFO L857 garLoopResultBuilder]: For program point L492-5(lines 492 500) no Hoare annotation was computed. [2021-10-13 07:52:12,811 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:52:12,812 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 904) no Hoare annotation was computed. [2021-10-13 07:52:12,812 INFO L857 garLoopResultBuilder]: For program point L462(lines 462 479) no Hoare annotation was computed. [2021-10-13 07:52:12,812 INFO L857 garLoopResultBuilder]: For program point L462-1(lines 462 479) no Hoare annotation was computed. [2021-10-13 07:52:12,812 INFO L857 garLoopResultBuilder]: For program point L462-2(lines 462 479) no Hoare annotation was computed. [2021-10-13 07:52:12,812 INFO L857 garLoopResultBuilder]: For program point L462-3(lines 462 479) no Hoare annotation was computed. [2021-10-13 07:52:12,812 INFO L857 garLoopResultBuilder]: For program point L462-4(lines 462 479) no Hoare annotation was computed. [2021-10-13 07:52:12,813 INFO L857 garLoopResultBuilder]: For program point L462-5(lines 462 479) no Hoare annotation was computed. [2021-10-13 07:52:12,813 INFO L857 garLoopResultBuilder]: For program point L462-6(lines 462 479) no Hoare annotation was computed. [2021-10-13 07:52:12,813 INFO L857 garLoopResultBuilder]: For program point L462-7(lines 462 479) no Hoare annotation was computed. [2021-10-13 07:52:12,813 INFO L857 garLoopResultBuilder]: For program point L462-8(lines 462 479) no Hoare annotation was computed. [2021-10-13 07:52:12,813 INFO L857 garLoopResultBuilder]: For program point L462-9(lines 462 479) no Hoare annotation was computed. [2021-10-13 07:52:12,814 INFO L857 garLoopResultBuilder]: For program point L462-10(lines 462 479) no Hoare annotation was computed. [2021-10-13 07:52:12,814 INFO L857 garLoopResultBuilder]: For program point L462-11(lines 462 479) no Hoare annotation was computed. [2021-10-13 07:52:12,814 INFO L853 garLoopResultBuilder]: At program point L760(lines 755 762) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:52:12,814 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 738) no Hoare annotation was computed. [2021-10-13 07:52:12,814 INFO L853 garLoopResultBuilder]: At program point L430(lines 426 448) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-13 07:52:12,815 INFO L853 garLoopResultBuilder]: At program point L430-1(lines 426 448) the Hoare annotation is: false [2021-10-13 07:52:12,815 INFO L853 garLoopResultBuilder]: At program point L430-2(lines 426 448) the Hoare annotation is: false [2021-10-13 07:52:12,815 INFO L857 garLoopResultBuilder]: For program point L992(lines 992 998) no Hoare annotation was computed. [2021-10-13 07:52:12,815 INFO L857 garLoopResultBuilder]: For program point L992-1(lines 992 998) no Hoare annotation was computed. [2021-10-13 07:52:12,815 INFO L857 garLoopResultBuilder]: For program point L992-2(lines 992 998) no Hoare annotation was computed. [2021-10-13 07:52:12,816 INFO L857 garLoopResultBuilder]: For program point L992-3(lines 992 998) no Hoare annotation was computed. [2021-10-13 07:52:12,816 INFO L857 garLoopResultBuilder]: For program point L992-4(lines 992 998) no Hoare annotation was computed. [2021-10-13 07:52:12,816 INFO L857 garLoopResultBuilder]: For program point L992-5(lines 992 998) no Hoare annotation was computed. [2021-10-13 07:52:12,816 INFO L857 garLoopResultBuilder]: For program point L992-6(lines 992 998) no Hoare annotation was computed. [2021-10-13 07:52:12,816 INFO L857 garLoopResultBuilder]: For program point L992-7(lines 992 998) no Hoare annotation was computed. [2021-10-13 07:52:12,817 INFO L857 garLoopResultBuilder]: For program point L992-8(lines 992 998) no Hoare annotation was computed. [2021-10-13 07:52:12,817 INFO L857 garLoopResultBuilder]: For program point L992-9(lines 992 998) no Hoare annotation was computed. [2021-10-13 07:52:12,817 INFO L857 garLoopResultBuilder]: For program point L992-10(lines 992 998) no Hoare annotation was computed. [2021-10-13 07:52:12,817 INFO L857 garLoopResultBuilder]: For program point L992-11(lines 992 998) no Hoare annotation was computed. [2021-10-13 07:52:12,823 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:52:12,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:52:12 BoogieIcfgContainer [2021-10-13 07:52:12,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:52:12,856 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:52:12,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:52:12,856 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:52:12,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:51:44" (3/4) ... [2021-10-13 07:52:12,860 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:52:12,887 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:52:12,889 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:52:12,891 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:52:12,892 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:52:12,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:52:12,896 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:52:12,898 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:52:12,924 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:52:12,925 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:52:12,925 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) [2021-10-13 07:52:12,925 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:52:12,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:52:12,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-10-13 07:52:12,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-10-13 07:52:12,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:52:12,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:52:12,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:52:12,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-10-13 07:52:12,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && 1bv32 == \result [2021-10-13 07:52:13,016 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:52:13,016 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:52:13,018 INFO L168 Benchmark]: Toolchain (without parser) took 32619.92 ms. Allocated memory was 75.5 MB in the beginning and 117.4 MB in the end (delta: 41.9 MB). Free memory was 52.9 MB in the beginning and 30.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 63.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:52:13,018 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory is still 30.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:52:13,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.48 ms. Allocated memory is still 75.5 MB. Free memory was 52.7 MB in the beginning and 43.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:52:13,019 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.22 ms. Allocated memory is still 75.5 MB. Free memory was 43.3 MB in the beginning and 38.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:52:13,020 INFO L168 Benchmark]: Boogie Preprocessor took 117.05 ms. Allocated memory is still 75.5 MB. Free memory was 38.2 MB in the beginning and 55.3 MB in the end (delta: -17.1 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:52:13,020 INFO L168 Benchmark]: RCFGBuilder took 2951.53 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 55.3 MB in the beginning and 60.0 MB in the end (delta: -4.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:52:13,021 INFO L168 Benchmark]: TraceAbstraction took 28517.33 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 59.5 MB in the beginning and 45.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 52.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:52:13,021 INFO L168 Benchmark]: Witness Printer took 160.89 ms. Allocated memory is still 117.4 MB. Free memory was 45.7 MB in the beginning and 30.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:52:13,034 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory is still 30.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 742.48 ms. Allocated memory is still 75.5 MB. Free memory was 52.7 MB in the beginning and 43.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.22 ms. Allocated memory is still 75.5 MB. Free memory was 43.3 MB in the beginning and 38.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 117.05 ms. Allocated memory is still 75.5 MB. Free memory was 38.2 MB in the beginning and 55.3 MB in the end (delta: -17.1 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2951.53 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 55.3 MB in the beginning and 60.0 MB in the end (delta: -4.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 28517.33 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 59.5 MB in the beginning and 45.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 52.9 MB. Max. memory is 16.1 GB. * Witness Printer took 160.89 ms. Allocated memory is still 117.4 MB. Free memory was 45.7 MB in the beginning and 30.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 904]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 904]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 904]: 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, 198 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 28415.6ms, OverallIterations: 11, TraceHistogramMax: 2, EmptinessCheckTime: 42.6ms, AutomataDifference: 11840.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5019.7ms, InitialAbstractionConstructionTime: 18.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1607 SDtfs, 2148 SDslu, 3631 SDs, 0 SdLazy, 580 SolverSat, 100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10447.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1075 GetRequests, 1003 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 831.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=300occurred in iteration=10, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 267.7ms AutomataMinimizationTime, 11 MinimizatonAttempts, 980 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 73 LocationsWithAnnotation, 73 PreInvPairs, 171 NumberOfFragments, 633 HoareAnnotationTreeSize, 73 FomulaSimplifications, 446672 FormulaSimplificationTreeSizeReduction, 1218.6ms HoareSimplificationTime, 73 FomulaSimplificationsInter, 79331 FormulaSimplificationTreeSizeReductionInter, 3781.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 356.1ms SsaConstructionTime, 1580.2ms SatisfiabilityAnalysisTime, 4240.9ms InterpolantComputationTime, 522 NumberOfCodeBlocks, 522 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1018 ConstructedInterpolants, 0 QuantifiedInterpolants, 2000 SizeOfPredicates, 26 NumberOfNonLiveVariables, 2899 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 104/128 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: 707]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && 1bv32 == \result - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:52:13,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37334c6e-77db-4265-a109-aa0ba90bc9f6/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...