./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label21.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_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/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_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/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_43c29390-4bb2-41ab-b1b0-60d61105de18/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 6e9574c26e16f99da6e5d05d78ddc62ede46e8a1 ....................................................................................................................................................................................................................................................................................................................................................... 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_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/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_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/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_43c29390-4bb2-41ab-b1b0-60d61105de18/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 6e9574c26e16f99da6e5d05d78ddc62ede46e8a1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:02:48,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:02:48,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:02:48,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:02:48,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:02:48,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:02:48,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:02:48,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:02:48,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:02:48,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:02:48,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:02:48,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:02:48,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:02:48,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:02:48,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:02:48,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:02:48,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:02:48,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:02:48,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:02:48,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:02:48,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:02:48,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:02:48,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:02:48,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:02:48,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:02:48,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:02:48,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:02:48,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:02:48,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:02:48,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:02:48,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:02:48,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:02:48,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:02:48,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:02:48,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:02:48,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:02:48,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:02:48,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:02:48,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:02:48,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:02:48,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:02:48,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 08:02:48,476 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:02:48,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:02:48,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:02:48,478 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:02:48,479 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:02:48,479 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:02:48,479 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:02:48,480 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:02:48,486 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:02:48,487 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:02:48,488 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:02:48,488 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:02:48,489 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:02:48,489 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:02:48,489 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:02:48,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:02:48,490 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:02:48,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:02:48,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:02:48,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:02:48,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:02:48,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:02:48,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:02:48,492 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:02:48,492 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:02:48,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:02:48,493 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:02:48,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:02:48,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:02:48,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:02:48,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:02:48,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:02:48,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:02:48,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:02:48,497 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:02:48,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:02:48,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:02:48,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:02:48,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:02:48,498 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_43c29390-4bb2-41ab-b1b0-60d61105de18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9574c26e16f99da6e5d05d78ddc62ede46e8a1 [2021-10-13 08:02:48,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:02:48,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:02:48,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:02:48,806 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:02:48,807 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:02:48,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/eca-rers2012/Problem11_label21.c [2021-10-13 08:02:48,899 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/data/f9428a0ba/34d120e55a4f4b03ba87a3798254c45f/FLAG706cec56f [2021-10-13 08:02:49,544 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:02:49,544 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/sv-benchmarks/c/eca-rers2012/Problem11_label21.c [2021-10-13 08:02:49,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/data/f9428a0ba/34d120e55a4f4b03ba87a3798254c45f/FLAG706cec56f [2021-10-13 08:02:49,756 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/data/f9428a0ba/34d120e55a4f4b03ba87a3798254c45f [2021-10-13 08:02:49,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:02:49,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:02:49,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:02:49,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:02:49,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:02:49,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:49" (1/1) ... [2021-10-13 08:02:49,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffd5ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:49, skipping insertion in model container [2021-10-13 08:02:49,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:02:49" (1/1) ... [2021-10-13 08:02:49,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:02:49,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:02:50,117 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_43c29390-4bb2-41ab-b1b0-60d61105de18/sv-benchmarks/c/eca-rers2012/Problem11_label21.c[3545,3558] [2021-10-13 08:02:50,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:02:50,495 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:02:50,515 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_43c29390-4bb2-41ab-b1b0-60d61105de18/sv-benchmarks/c/eca-rers2012/Problem11_label21.c[3545,3558] [2021-10-13 08:02:50,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:02:50,714 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:02:50,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:50 WrapperNode [2021-10-13 08:02:50,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:02:50,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:02:50,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:02:50,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:02:50,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:50" (1/1) ... [2021-10-13 08:02:50,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:50" (1/1) ... [2021-10-13 08:02:50,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:02:50,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:02:50,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:02:50,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:02:50,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:50" (1/1) ... [2021-10-13 08:02:50,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:50" (1/1) ... [2021-10-13 08:02:50,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:50" (1/1) ... [2021-10-13 08:02:50,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:50" (1/1) ... [2021-10-13 08:02:50,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:50" (1/1) ... [2021-10-13 08:02:51,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:50" (1/1) ... [2021-10-13 08:02:51,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:50" (1/1) ... [2021-10-13 08:02:51,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:02:51,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:02:51,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:02:51,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:02:51,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:50" (1/1) ... [2021-10-13 08:02:51,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:02:51,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:02:51,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:02:51,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:02:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 08:02:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:02:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:02:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:03:15,797 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:03:15,798 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 08:03:15,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:03:15 BoogieIcfgContainer [2021-10-13 08:03:15,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:03:15,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:03:15,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:03:15,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:03:15,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:02:49" (1/3) ... [2021-10-13 08:03:15,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a7c272d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:03:15, skipping insertion in model container [2021-10-13 08:03:15,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:02:50" (2/3) ... [2021-10-13 08:03:15,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a7c272d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:03:15, skipping insertion in model container [2021-10-13 08:03:15,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:03:15" (3/3) ... [2021-10-13 08:03:15,836 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label21.c [2021-10-13 08:03:15,842 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:03:15,842 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 08:03:15,949 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:03:15,956 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 08:03:15,956 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 08:03:15,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 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 08:03:15,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 08:03:15,977 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:03:15,978 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-13 08:03:15,979 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:03:15,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:03:15,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1190292130, now seen corresponding path program 1 times [2021-10-13 08:03:15,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:03:15,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346806374] [2021-10-13 08:03:15,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:03:16,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:03:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:03:16,248 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 08:03:16,249 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:03:16,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346806374] [2021-10-13 08:03:16,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346806374] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:03:16,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:03:16,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 08:03:16,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504667060] [2021-10-13 08:03:16,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:03:16,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:03:16,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:03:16,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:03:16,277 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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 08:03:16,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:03:16,388 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2021-10-13 08:03:16,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:03:16,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2021-10-13 08:03:16,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:03:16,398 INFO L225 Difference]: With dead ends: 23 [2021-10-13 08:03:16,398 INFO L226 Difference]: Without dead ends: 11 [2021-10-13 08:03:16,401 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:03:16,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-13 08:03:16,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-13 08:03:16,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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 08:03:16,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-10-13 08:03:16,436 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2021-10-13 08:03:16,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:03:16,437 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2021-10-13 08:03:16,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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 08:03:16,438 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-10-13 08:03:16,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 08:03:16,439 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:03:16,439 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2021-10-13 08:03:16,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 08:03:16,440 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:03:16,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:03:16,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1183629614, now seen corresponding path program 1 times [2021-10-13 08:03:16,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:03:16,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614878074] [2021-10-13 08:03:16,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:03:16,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:03:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:03:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:03:17,188 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:03:17,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614878074] [2021-10-13 08:03:17,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614878074] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 08:03:17,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112079101] [2021-10-13 08:03:17,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:03:17,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 08:03:17,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:03:17,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 08:03:17,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 08:03:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:03:17,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 08:03:17,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:03:21,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:03:21,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:09:14,544 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-10-13 08:09:14,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1560815626] [2021-10-13 08:09:14,581 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-10-13 08:09:14,588 INFO L166 IcfgInterpreter]: Building call graph [2021-10-13 08:09:14,594 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-13 08:09:14,601 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-13 08:09:14,602 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-13 08:09:14,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:09:14,648 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 08:09:14,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:09:14,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-13 08:09:14,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-13 08:09:14,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:09:14,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-13 08:09:14,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-13 08:09:14,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:09:14,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:09:14,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 08:09:14,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-13 08:09:14,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:09:14,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-13 08:09:14,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:09:14,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-13 08:09:14,719 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-13 08:09:14,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:14,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:09:14,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 08:09:14,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-10-13 08:09:14,777 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-13 08:09:14,778 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:158 [2021-10-13 08:09:14,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 08:09:14,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 08:09:14,981 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for |v_#valid_10| at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.predicate(SymbolicTools.java:174) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-13 08:09:14,984 INFO L168 Benchmark]: Toolchain (without parser) took 385223.70 ms. Allocated memory was 121.6 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 82.4 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. [2021-10-13 08:09:14,985 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 121.6 MB. Free memory was 95.1 MB in the beginning and 95.1 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:09:14,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 953.82 ms. Allocated memory is still 121.6 MB. Free memory was 82.1 MB in the beginning and 62.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-13 08:09:14,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.30 ms. Allocated memory is still 121.6 MB. Free memory was 62.2 MB in the beginning and 45.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 08:09:14,988 INFO L168 Benchmark]: Boogie Preprocessor took 181.68 ms. Allocated memory is still 121.6 MB. Free memory was 45.5 MB in the beginning and 82.6 MB in the end (delta: -37.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2021-10-13 08:09:14,989 INFO L168 Benchmark]: RCFGBuilder took 24744.43 ms. Allocated memory was 121.6 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 82.6 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 396.9 MB. Max. memory is 16.1 GB. [2021-10-13 08:09:14,990 INFO L168 Benchmark]: TraceAbstraction took 359179.85 ms. Allocated memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: 1.4 GB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -243.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2021-10-13 08:09:15,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 121.6 MB. Free memory was 95.1 MB in the beginning and 95.1 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 953.82 ms. Allocated memory is still 121.6 MB. Free memory was 82.1 MB in the beginning and 62.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 157.30 ms. Allocated memory is still 121.6 MB. Free memory was 62.2 MB in the beginning and 45.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 181.68 ms. Allocated memory is still 121.6 MB. Free memory was 45.5 MB in the beginning and 82.6 MB in the end (delta: -37.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 24744.43 ms. Allocated memory was 121.6 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 82.6 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 396.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 359179.85 ms. Allocated memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: 1.4 GB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -243.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#valid_10| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |v_#valid_10|: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 08:09:15,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:09:17,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:09:17,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:09:17,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:09:17,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:09:17,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:09:17,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:09:18,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:09:18,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:09:18,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:09:18,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:09:18,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:09:18,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:09:18,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:09:18,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:09:18,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:09:18,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:09:18,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:09:18,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:09:18,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:09:18,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:09:18,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:09:18,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:09:18,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:09:18,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:09:18,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:09:18,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:09:18,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:09:18,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:09:18,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:09:18,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:09:18,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:09:18,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:09:18,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:09:18,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:09:18,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:09:18,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:09:18,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:09:18,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:09:18,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:09:18,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:09:18,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 08:09:18,128 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:09:18,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:09:18,130 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:09:18,130 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:09:18,131 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:09:18,131 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:09:18,131 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:09:18,132 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:09:18,132 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:09:18,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:09:18,133 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:09:18,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:09:18,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:09:18,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:09:18,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:09:18,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:09:18,135 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:09:18,136 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 08:09:18,136 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 08:09:18,136 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:09:18,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:09:18,137 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:09:18,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:09:18,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:09:18,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 08:09:18,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:09:18,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:09:18,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:09:18,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:09:18,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:09:18,140 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 08:09:18,140 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 08:09:18,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:09:18,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:09:18,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:09:18,141 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_43c29390-4bb2-41ab-b1b0-60d61105de18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9574c26e16f99da6e5d05d78ddc62ede46e8a1 [2021-10-13 08:09:18,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:09:18,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:09:18,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:09:18,614 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:09:18,615 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:09:18,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/eca-rers2012/Problem11_label21.c [2021-10-13 08:09:18,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/data/17bc7f271/e6f7185975f54a61ad065cc4c4ab0b2c/FLAG0606918c2 [2021-10-13 08:09:19,546 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:09:19,547 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/sv-benchmarks/c/eca-rers2012/Problem11_label21.c [2021-10-13 08:09:19,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/data/17bc7f271/e6f7185975f54a61ad065cc4c4ab0b2c/FLAG0606918c2 [2021-10-13 08:09:19,731 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/data/17bc7f271/e6f7185975f54a61ad065cc4c4ab0b2c [2021-10-13 08:09:19,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:09:19,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:09:19,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:09:19,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:09:19,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:09:19,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:09:19" (1/1) ... [2021-10-13 08:09:19,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be03ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:19, skipping insertion in model container [2021-10-13 08:09:19,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:09:19" (1/1) ... [2021-10-13 08:09:19,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:09:19,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:09:20,161 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_43c29390-4bb2-41ab-b1b0-60d61105de18/sv-benchmarks/c/eca-rers2012/Problem11_label21.c[3545,3558] [2021-10-13 08:09:20,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:09:20,624 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:09:20,645 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_43c29390-4bb2-41ab-b1b0-60d61105de18/sv-benchmarks/c/eca-rers2012/Problem11_label21.c[3545,3558] [2021-10-13 08:09:20,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:09:20,871 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:09:20,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:20 WrapperNode [2021-10-13 08:09:20,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:09:20,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:09:20,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:09:20,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:09:20,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:20" (1/1) ... [2021-10-13 08:09:20,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:20" (1/1) ... [2021-10-13 08:09:21,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:09:21,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:09:21,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:09:21,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:09:21,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:20" (1/1) ... [2021-10-13 08:09:21,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:20" (1/1) ... [2021-10-13 08:09:21,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:20" (1/1) ... [2021-10-13 08:09:21,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:20" (1/1) ... [2021-10-13 08:09:21,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:20" (1/1) ... [2021-10-13 08:09:21,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:20" (1/1) ... [2021-10-13 08:09:21,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:20" (1/1) ... [2021-10-13 08:09:21,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:09:21,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:09:21,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:09:21,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:09:21,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:20" (1/1) ... [2021-10-13 08:09:21,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:09:21,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:09:21,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:09:21,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:09:21,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 08:09:21,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:09:21,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:09:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:09:30,032 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:09:30,032 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 08:09:30,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:09:30 BoogieIcfgContainer [2021-10-13 08:09:30,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:09:30,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:09:30,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:09:30,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:09:30,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:09:19" (1/3) ... [2021-10-13 08:09:30,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33add7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:09:30, skipping insertion in model container [2021-10-13 08:09:30,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:20" (2/3) ... [2021-10-13 08:09:30,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33add7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:09:30, skipping insertion in model container [2021-10-13 08:09:30,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:09:30" (3/3) ... [2021-10-13 08:09:30,045 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label21.c [2021-10-13 08:09:30,051 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:09:30,052 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 08:09:30,107 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:09:30,114 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 08:09:30,114 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 08:09:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 08:09:30,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 08:09:30,145 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:09:30,145 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:09:30,146 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:09:30,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:09:30,153 INFO L82 PathProgramCache]: Analyzing trace with hash -593706766, now seen corresponding path program 1 times [2021-10-13 08:09:30,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:09:30,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478127095] [2021-10-13 08:09:30,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:09:30,170 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:09:30,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:09:30,173 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:09:30,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 08:09:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:09:30,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:09:30,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:09:30,459 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 08:09:30,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:09:30,665 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 08:09:30,666 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:09:30,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478127095] [2021-10-13 08:09:30,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [478127095] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:09:30,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:09:30,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 08:09:30,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530818491] [2021-10-13 08:09:30,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:09:30,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:09:30,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:09:30,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:09:30,699 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 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 08:09:55,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:09:55,848 INFO L93 Difference]: Finished difference Result 953 states and 1720 transitions. [2021-10-13 08:09:55,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:09:55,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 08:09:55,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:09:55,877 INFO L225 Difference]: With dead ends: 953 [2021-10-13 08:09:55,877 INFO L226 Difference]: Without dead ends: 602 [2021-10-13 08:09:55,882 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:09:55,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2021-10-13 08:09:55,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2021-10-13 08:09:55,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 601 states have (on average 1.3910149750415974) internal successors, (836), 601 states have internal predecessors, (836), 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 08:09:55,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 836 transitions. [2021-10-13 08:09:55,973 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 836 transitions. Word has length 24 [2021-10-13 08:09:55,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:09:55,974 INFO L470 AbstractCegarLoop]: Abstraction has 602 states and 836 transitions. [2021-10-13 08:09:55,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 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 08:09:55,974 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 836 transitions. [2021-10-13 08:09:55,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-10-13 08:09:55,979 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:09:55,980 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:09:55,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 08:09:56,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:09:56,187 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:09:56,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:09:56,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1988470316, now seen corresponding path program 1 times [2021-10-13 08:09:56,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:09:56,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550437475] [2021-10-13 08:09:56,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:09:56,192 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:09:56,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:09:56,193 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:09:56,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 08:09:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:09:56,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:09:56,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:09:56,847 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:56,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:09:58,179 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:58,180 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:09:58,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [550437475] [2021-10-13 08:09:58,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [550437475] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:09:58,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:09:58,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 08:09:58,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778774439] [2021-10-13 08:09:58,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:09:58,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:09:58,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:09:58,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:09:58,184 INFO L87 Difference]: Start difference. First operand 602 states and 836 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:10:11,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:10:11,721 INFO L93 Difference]: Finished difference Result 2328 states and 3247 transitions. [2021-10-13 08:10:11,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:10:11,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-10-13 08:10:11,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:10:11,739 INFO L225 Difference]: With dead ends: 2328 [2021-10-13 08:10:11,740 INFO L226 Difference]: Without dead ends: 1728 [2021-10-13 08:10:11,743 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:10:11,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2021-10-13 08:10:11,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1710. [2021-10-13 08:10:11,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1710 states, 1709 states have (on average 1.2890579286132242) internal successors, (2203), 1709 states have internal predecessors, (2203), 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 08:10:11,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 2203 transitions. [2021-10-13 08:10:11,813 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 2203 transitions. Word has length 93 [2021-10-13 08:10:11,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:10:11,814 INFO L470 AbstractCegarLoop]: Abstraction has 1710 states and 2203 transitions. [2021-10-13 08:10:11,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:10:11,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2203 transitions. [2021-10-13 08:10:11,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-10-13 08:10:11,818 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:10:11,819 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:10:11,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 08:10:12,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:10:12,032 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:10:12,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:10:12,033 INFO L82 PathProgramCache]: Analyzing trace with hash 878955798, now seen corresponding path program 1 times [2021-10-13 08:10:12,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:10:12,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [984163863] [2021-10-13 08:10:12,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:10:12,037 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:10:12,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:10:12,038 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:10:12,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 08:10:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:10:12,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:10:12,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:10:12,658 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:10:12,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:10:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:10:13,055 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:10:13,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [984163863] [2021-10-13 08:10:13,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [984163863] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:10:13,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:10:13,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 08:10:13,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145576452] [2021-10-13 08:10:13,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:10:13,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:10:13,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:10:13,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:10:13,058 INFO L87 Difference]: Start difference. First operand 1710 states and 2203 transitions. Second operand has 4 states, 4 states have (on average 44.25) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:10:24,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:10:24,495 INFO L93 Difference]: Finished difference Result 4708 states and 6125 transitions. [2021-10-13 08:10:24,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:10:24,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-10-13 08:10:24,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:10:24,519 INFO L225 Difference]: With dead ends: 4708 [2021-10-13 08:10:24,519 INFO L226 Difference]: Without dead ends: 3000 [2021-10-13 08:10:24,522 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:10:24,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3000 states. [2021-10-13 08:10:24,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3000 to 2813. [2021-10-13 08:10:24,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2812 states have (on average 1.2251066856330015) internal successors, (3445), 2812 states have internal predecessors, (3445), 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 08:10:24,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3445 transitions. [2021-10-13 08:10:24,626 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3445 transitions. Word has length 100 [2021-10-13 08:10:24,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:10:24,626 INFO L470 AbstractCegarLoop]: Abstraction has 2813 states and 3445 transitions. [2021-10-13 08:10:24,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:10:24,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3445 transitions. [2021-10-13 08:10:24,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-10-13 08:10:24,640 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:10:24,641 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:10:24,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 08:10:24,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:10:24,854 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:10:24,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:10:24,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1472586055, now seen corresponding path program 1 times [2021-10-13 08:10:24,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:10:24,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013204959] [2021-10-13 08:10:24,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:10:24,859 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:10:24,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:10:24,860 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:10:24,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 08:10:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:10:25,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:10:25,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:10:25,596 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:10:25,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:10:25,929 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:10:25,932 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:10:25,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013204959] [2021-10-13 08:10:25,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013204959] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:10:25,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:10:25,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:10:25,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805310461] [2021-10-13 08:10:25,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:10:25,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:10:25,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:10:25,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:10:25,937 INFO L87 Difference]: Start difference. First operand 2813 states and 3445 transitions. Second operand has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:10:36,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:10:36,119 INFO L93 Difference]: Finished difference Result 6376 states and 7932 transitions. [2021-10-13 08:10:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:10:36,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2021-10-13 08:10:36,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:10:36,139 INFO L225 Difference]: With dead ends: 6376 [2021-10-13 08:10:36,140 INFO L226 Difference]: Without dead ends: 3749 [2021-10-13 08:10:36,143 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:10:36,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3749 states. [2021-10-13 08:10:36,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3749 to 3735. [2021-10-13 08:10:36,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3735 states, 3734 states have (on average 1.204338510980182) internal successors, (4497), 3734 states have internal predecessors, (4497), 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 08:10:36,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3735 states to 3735 states and 4497 transitions. [2021-10-13 08:10:36,261 INFO L78 Accepts]: Start accepts. Automaton has 3735 states and 4497 transitions. Word has length 151 [2021-10-13 08:10:36,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:10:36,262 INFO L470 AbstractCegarLoop]: Abstraction has 3735 states and 4497 transitions. [2021-10-13 08:10:36,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 4 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:10:36,263 INFO L276 IsEmpty]: Start isEmpty. Operand 3735 states and 4497 transitions. [2021-10-13 08:10:36,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-10-13 08:10:36,268 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:10:36,268 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:10:36,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 08:10:36,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:10:36,484 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:10:36,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:10:36,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1825817793, now seen corresponding path program 1 times [2021-10-13 08:10:36,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:10:36,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815249173] [2021-10-13 08:10:36,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:10:36,488 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:10:36,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:10:36,489 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:10:36,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 08:10:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:10:36,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 08:10:36,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:10:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 43 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:10:39,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:10:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:10:42,856 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:10:42,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815249173] [2021-10-13 08:10:42,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815249173] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 08:10:42,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 08:10:42,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-13 08:10:42,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777805443] [2021-10-13 08:10:42,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:10:42,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:10:42,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:10:42,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 08:10:42,859 INFO L87 Difference]: Start difference. First operand 3735 states and 4497 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 08:10:57,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:10:57,748 INFO L93 Difference]: Finished difference Result 7278 states and 8932 transitions. [2021-10-13 08:10:57,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:10:57,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 206 [2021-10-13 08:10:57,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:10:57,777 INFO L225 Difference]: With dead ends: 7278 [2021-10-13 08:10:57,777 INFO L226 Difference]: Without dead ends: 4655 [2021-10-13 08:10:57,780 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 61.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 08:10:57,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4655 states. [2021-10-13 08:10:57,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4655 to 4655. [2021-10-13 08:10:57,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4655 states, 4654 states have (on average 1.211645896003438) internal successors, (5639), 4654 states have internal predecessors, (5639), 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 08:10:57,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4655 states to 4655 states and 5639 transitions. [2021-10-13 08:10:57,880 INFO L78 Accepts]: Start accepts. Automaton has 4655 states and 5639 transitions. Word has length 206 [2021-10-13 08:10:57,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:10:57,881 INFO L470 AbstractCegarLoop]: Abstraction has 4655 states and 5639 transitions. [2021-10-13 08:10:57,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 08:10:57,882 INFO L276 IsEmpty]: Start isEmpty. Operand 4655 states and 5639 transitions. [2021-10-13 08:10:57,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-10-13 08:10:57,885 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:10:57,885 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:10:57,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 08:10:58,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:10:58,101 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:10:58,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:10:58,102 INFO L82 PathProgramCache]: Analyzing trace with hash -2044124472, now seen corresponding path program 1 times [2021-10-13 08:10:58,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:10:58,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609133267] [2021-10-13 08:10:58,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:10:58,105 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:10:58,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:10:58,106 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:10:58,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 08:10:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:10:58,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 08:10:58,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:11:02,865 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 22 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:11:02,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:11:36,583 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 101 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:11:36,584 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:11:36,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609133267] [2021-10-13 08:11:36,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1609133267] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 08:11:36,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1764502142] [2021-10-13 08:11:36,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:11:36,585 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 08:11:36,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 08:11:36,589 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 08:11:36,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-13 08:11:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:11:38,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 08:11:38,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:11:40,794 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-13 08:11:40,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:11:41,286 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-13 08:11:41,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1764502142] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:11:41,286 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 08:11:41,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4, 4] total 10 [2021-10-13 08:11:41,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245546875] [2021-10-13 08:11:41,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:11:41,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:11:41,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:11:41,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-13 08:11:41,288 INFO L87 Difference]: Start difference. First operand 4655 states and 5639 transitions. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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 08:12:25,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:12:25,751 INFO L93 Difference]: Finished difference Result 11892 states and 14668 transitions. [2021-10-13 08:12:25,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:12:25,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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 216 [2021-10-13 08:12:25,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:12:25,812 INFO L225 Difference]: With dead ends: 11892 [2021-10-13 08:12:25,812 INFO L226 Difference]: Without dead ends: 7423 [2021-10-13 08:12:25,841 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 860 GetRequests, 852 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1361.5ms TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-13 08:12:25,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7423 states. [2021-10-13 08:12:25,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7423 to 6679. [2021-10-13 08:12:25,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6679 states, 6678 states have (on average 1.1949685534591195) internal successors, (7980), 6678 states have internal predecessors, (7980), 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 08:12:25,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6679 states to 6679 states and 7980 transitions. [2021-10-13 08:12:25,995 INFO L78 Accepts]: Start accepts. Automaton has 6679 states and 7980 transitions. Word has length 216 [2021-10-13 08:12:25,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:12:25,996 INFO L470 AbstractCegarLoop]: Abstraction has 6679 states and 7980 transitions. [2021-10-13 08:12:25,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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 08:12:25,997 INFO L276 IsEmpty]: Start isEmpty. Operand 6679 states and 7980 transitions. [2021-10-13 08:12:26,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-10-13 08:12:26,007 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:12:26,008 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:12:26,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2021-10-13 08:12:26,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 08:12:26,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:12:26,418 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:12:26,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:12:26,419 INFO L82 PathProgramCache]: Analyzing trace with hash 991660947, now seen corresponding path program 1 times [2021-10-13 08:12:26,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:12:26,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155157450] [2021-10-13 08:12:26,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:12:26,420 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:12:26,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:12:26,421 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:12:26,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 08:12:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:12:27,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 08:12:27,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:12:28,915 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 204 proven. 97 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 08:12:28,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:12:29,994 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 08:12:29,995 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:12:29,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1155157450] [2021-10-13 08:12:29,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1155157450] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 08:12:29,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 08:12:29,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-13 08:12:29,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668598813] [2021-10-13 08:12:29,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:12:29,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:12:29,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:12:29,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 08:12:29,997 INFO L87 Difference]: Start difference. First operand 6679 states and 7980 transitions. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 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 08:12:49,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:12:49,358 INFO L93 Difference]: Finished difference Result 14643 states and 17514 transitions. [2021-10-13 08:12:49,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:12:49,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 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 330 [2021-10-13 08:12:49,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:12:49,394 INFO L225 Difference]: With dead ends: 14643 [2021-10-13 08:12:49,395 INFO L226 Difference]: Without dead ends: 8704 [2021-10-13 08:12:49,400 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 655 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.9ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 08:12:49,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8704 states. [2021-10-13 08:12:49,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8704 to 8704. [2021-10-13 08:12:49,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8704 states, 8703 states have (on average 1.1744226128921063) internal successors, (10221), 8703 states have internal predecessors, (10221), 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 08:12:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8704 states to 8704 states and 10221 transitions. [2021-10-13 08:12:49,594 INFO L78 Accepts]: Start accepts. Automaton has 8704 states and 10221 transitions. Word has length 330 [2021-10-13 08:12:49,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:12:49,594 INFO L470 AbstractCegarLoop]: Abstraction has 8704 states and 10221 transitions. [2021-10-13 08:12:49,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 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 08:12:49,596 INFO L276 IsEmpty]: Start isEmpty. Operand 8704 states and 10221 transitions. [2021-10-13 08:12:49,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-10-13 08:12:49,607 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:12:49,607 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:12:49,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 08:12:49,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:12:49,823 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:12:49,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:12:49,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1207461918, now seen corresponding path program 1 times [2021-10-13 08:12:49,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:12:49,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482721430] [2021-10-13 08:12:49,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:12:49,825 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:12:49,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:12:49,827 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:12:49,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 08:12:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:12:51,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 08:12:51,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:12:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 204 proven. 102 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 08:12:52,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:12:53,811 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 08:12:53,815 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:12:53,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482721430] [2021-10-13 08:12:53,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482721430] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 08:12:53,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 08:12:53,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-13 08:12:53,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893771610] [2021-10-13 08:12:53,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:12:53,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:12:53,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:12:53,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 08:12:53,822 INFO L87 Difference]: Start difference. First operand 8704 states and 10221 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 08:13:28,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:13:28,555 INFO L93 Difference]: Finished difference Result 18327 states and 21591 transitions. [2021-10-13 08:13:28,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:13:28,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 335 [2021-10-13 08:13:28,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:13:28,575 INFO L225 Difference]: With dead ends: 18327 [2021-10-13 08:13:28,575 INFO L226 Difference]: Without dead ends: 10547 [2021-10-13 08:13:28,582 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 665 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 08:13:28,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10547 states. [2021-10-13 08:13:28,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10547 to 10544. [2021-10-13 08:13:28,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10544 states, 10543 states have (on average 1.1582092383572038) internal successors, (12211), 10543 states have internal predecessors, (12211), 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 08:13:28,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10544 states to 10544 states and 12211 transitions. [2021-10-13 08:13:28,883 INFO L78 Accepts]: Start accepts. Automaton has 10544 states and 12211 transitions. Word has length 335 [2021-10-13 08:13:28,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:13:28,884 INFO L470 AbstractCegarLoop]: Abstraction has 10544 states and 12211 transitions. [2021-10-13 08:13:28,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 08:13:28,884 INFO L276 IsEmpty]: Start isEmpty. Operand 10544 states and 12211 transitions. [2021-10-13 08:13:28,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-10-13 08:13:28,960 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:13:28,960 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:13:28,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 08:13:29,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:13:29,161 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:13:29,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:13:29,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1796501245, now seen corresponding path program 1 times [2021-10-13 08:13:29,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:13:29,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [213648386] [2021-10-13 08:13:29,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:13:29,163 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:13:29,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:13:29,165 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:13:29,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 08:13:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:13:30,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 08:13:30,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:13:32,296 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-10-13 08:13:32,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:13:33,742 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-10-13 08:13:33,742 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:13:33,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [213648386] [2021-10-13 08:13:33,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [213648386] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 08:13:33,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [749853957] [2021-10-13 08:13:33,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:13:33,743 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 08:13:33,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 08:13:33,744 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 08:13:33,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-13 08:13:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:13:35,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:13:35,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:13:36,648 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-10-13 08:13:36,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:13:37,305 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-10-13 08:13:37,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [749853957] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:13:37,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 08:13:37,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 6 [2021-10-13 08:13:37,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329646266] [2021-10-13 08:13:37,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:13:37,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:13:37,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:13:37,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 08:13:37,308 INFO L87 Difference]: Start difference. First operand 10544 states and 12211 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 08:13:47,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:13:47,336 INFO L93 Difference]: Finished difference Result 20895 states and 24426 transitions. [2021-10-13 08:13:47,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:13:47,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 344 [2021-10-13 08:13:47,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:13:47,366 INFO L225 Difference]: With dead ends: 20895 [2021-10-13 08:13:47,366 INFO L226 Difference]: Without dead ends: 12751 [2021-10-13 08:13:47,374 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1372 GetRequests, 1367 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 36.7ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 08:13:47,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12751 states. [2021-10-13 08:13:47,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12751 to 12567. [2021-10-13 08:13:47,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12567 states, 12566 states have (on average 1.1349673722743912) internal successors, (14262), 12566 states have internal predecessors, (14262), 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 08:13:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12567 states to 12567 states and 14262 transitions. [2021-10-13 08:13:47,656 INFO L78 Accepts]: Start accepts. Automaton has 12567 states and 14262 transitions. Word has length 344 [2021-10-13 08:13:47,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:13:47,657 INFO L470 AbstractCegarLoop]: Abstraction has 12567 states and 14262 transitions. [2021-10-13 08:13:47,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 08:13:47,657 INFO L276 IsEmpty]: Start isEmpty. Operand 12567 states and 14262 transitions. [2021-10-13 08:13:47,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-10-13 08:13:47,674 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:13:47,674 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:13:47,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 08:13:47,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-13 08:13:48,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 08:13:48,092 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:13:48,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:13:48,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1740921667, now seen corresponding path program 1 times [2021-10-13 08:13:48,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:13:48,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306505325] [2021-10-13 08:13:48,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:13:48,095 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:13:48,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:13:48,095 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:13:48,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-13 08:13:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:13:49,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 08:13:49,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:13:51,074 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 81 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 08:13:51,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:13:52,648 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-13 08:13:52,649 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:13:52,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306505325] [2021-10-13 08:13:52,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306505325] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 08:13:52,649 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 08:13:52,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-13 08:13:52,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420949134] [2021-10-13 08:13:52,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:13:52,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:13:52,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:13:52,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 08:13:52,652 INFO L87 Difference]: Start difference. First operand 12567 states and 14262 transitions. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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 08:14:07,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:14:07,844 INFO L93 Difference]: Finished difference Result 24210 states and 27515 transitions. [2021-10-13 08:14:07,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:14:07,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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 383 [2021-10-13 08:14:07,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:14:07,864 INFO L225 Difference]: With dead ends: 24210 [2021-10-13 08:14:07,864 INFO L226 Difference]: Without dead ends: 12751 [2021-10-13 08:14:07,874 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 764 GetRequests, 761 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 08:14:07,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12751 states. [2021-10-13 08:14:08,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12751 to 12751. [2021-10-13 08:14:08,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12751 states, 12750 states have (on average 1.1273725490196078) internal successors, (14374), 12750 states have internal predecessors, (14374), 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 08:14:08,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12751 states to 12751 states and 14374 transitions. [2021-10-13 08:14:08,164 INFO L78 Accepts]: Start accepts. Automaton has 12751 states and 14374 transitions. Word has length 383 [2021-10-13 08:14:08,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:14:08,165 INFO L470 AbstractCegarLoop]: Abstraction has 12751 states and 14374 transitions. [2021-10-13 08:14:08,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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 08:14:08,165 INFO L276 IsEmpty]: Start isEmpty. Operand 12751 states and 14374 transitions. [2021-10-13 08:14:08,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-10-13 08:14:08,180 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:14:08,181 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:14:08,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-13 08:14:08,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:14:08,400 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:14:08,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:14:08,401 INFO L82 PathProgramCache]: Analyzing trace with hash 678613974, now seen corresponding path program 1 times [2021-10-13 08:14:08,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:14:08,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457989979] [2021-10-13 08:14:08,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:14:08,403 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:14:08,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:14:08,404 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:14:08,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 08:14:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:14:10,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 08:14:10,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:14:15,776 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 65 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:14:15,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:14:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 146 proven. 203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:14:53,428 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:14:53,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457989979] [2021-10-13 08:14:53,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457989979] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 08:14:53,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [959280452] [2021-10-13 08:14:53,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:14:53,429 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 08:14:53,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 08:14:53,430 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 08:14:53,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-13 08:14:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:14:57,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:14:57,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:14:58,141 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-10-13 08:14:58,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:14:58,834 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-10-13 08:14:58,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [959280452] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:14:58,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 08:14:58,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 10 [2021-10-13 08:14:58,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816800758] [2021-10-13 08:14:58,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:14:58,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:14:58,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:14:58,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-10-13 08:14:58,837 INFO L87 Difference]: Start difference. First operand 12751 states and 14374 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 08:15:08,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:15:08,728 INFO L93 Difference]: Finished difference Result 25862 states and 29240 transitions. [2021-10-13 08:15:08,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:15:08,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 393 [2021-10-13 08:15:08,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:15:08,730 INFO L225 Difference]: With dead ends: 25862 [2021-10-13 08:15:08,730 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 08:15:08,744 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1568 GetRequests, 1560 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1585.0ms TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-10-13 08:15:08,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 08:15:08,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 08:15:08,745 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 08:15:08,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 08:15:08,745 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 393 [2021-10-13 08:15:08,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:15:08,746 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 08:15:08,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 08:15:08,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 08:15:08,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 08:15:08,748 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:15:08,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-10-13 08:15:08,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-10-13 08:15:09,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:15:09,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 08:15:09,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:15:09,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:15:09,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:15:14,315 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-13 08:15:14,315 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,315 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-13 08:15:14,315 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,315 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,316 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,316 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,316 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,316 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,316 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-13 08:15:14,316 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-13 08:15:14,316 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-13 08:15:14,316 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,317 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,317 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,318 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,318 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,318 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,318 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,320 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,320 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,320 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,321 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-13 08:15:14,321 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-13 08:15:14,321 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-13 08:15:14,321 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,321 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-13 08:15:14,321 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-13 08:15:14,321 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,321 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,321 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,321 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,321 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,321 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,322 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-13 08:15:14,322 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-13 08:15:14,322 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-13 08:15:14,322 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,322 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,322 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,323 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse4 (= ~a25~0 (_ bv12 32)))) (let ((.cse3 (not (bvslt (_ bv245 32) ~a29~0))) (.cse5 (not (bvslt (_ bv4294967253 32) ~a23~0))) (.cse0 (not (bvslt (_ bv277 32) ~a29~0))) (.cse1 (not (= (_ bv13 32) ~a25~0))) (.cse2 (not .cse4))) (or (and (not (= (_ bv11 32) ~a25~0)) (or .cse0 .cse1) (or .cse0 .cse2)) (not (bvsge (_ bv138 32) ~a23~0)) (and .cse3 (not (bvsle ~a29~0 (_ bv140 32)))) (and .cse4 .cse5) (and .cse3 .cse5) (and .cse0 (not (bvsge (_ bv245 32) ~a29~0))) (not (= ~a4~0 (_ bv1 32))) (and .cse1 (exists ((v_~a29~0_510 (_ BitVec 32))) (and (bvsge (_ bv245 32) v_~a29~0_510) (bvslt (_ bv140 32) v_~a29~0_510) (= (bvadd (_ bv27123 32) (bvsdiv (bvadd (bvmul v_~a29~0_510 (_ bv10 32)) (_ bv1077150 32)) (_ bv9 32))) ~a29~0))) .cse2)))) [2021-10-13 08:15:14,323 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,323 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-13 08:15:14,323 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-13 08:15:14,323 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,323 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,323 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,323 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,323 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,324 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,324 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-13 08:15:14,324 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-13 08:15:14,324 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-13 08:15:14,324 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-13 08:15:14,324 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,324 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,324 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,325 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,325 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,325 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,325 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,325 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-13 08:15:14,325 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-13 08:15:14,325 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-13 08:15:14,325 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,325 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,325 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,325 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,325 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,326 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,326 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,326 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,326 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,326 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-13 08:15:14,326 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-13 08:15:14,326 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-13 08:15:14,326 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,328 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse4 (= ~a25~0 (_ bv12 32)))) (let ((.cse3 (not (bvslt (_ bv245 32) ~a29~0))) (.cse5 (not (bvslt (_ bv4294967253 32) ~a23~0))) (.cse0 (not (bvslt (_ bv277 32) ~a29~0))) (.cse1 (not (= (_ bv13 32) ~a25~0))) (.cse2 (not .cse4))) (or (and (not (= (_ bv11 32) ~a25~0)) (or .cse0 .cse1) (or .cse0 .cse2)) (not (bvsge (_ bv138 32) ~a23~0)) (and .cse3 (not (bvsle ~a29~0 (_ bv140 32)))) (and .cse4 .cse5) (and .cse3 .cse5) (and .cse0 (not (bvsge (_ bv245 32) ~a29~0))) (not (= ~a4~0 (_ bv1 32))) (and .cse1 (exists ((v_~a29~0_510 (_ BitVec 32))) (and (bvsge (_ bv245 32) v_~a29~0_510) (bvslt (_ bv140 32) v_~a29~0_510) (= (bvadd (_ bv27123 32) (bvsdiv (bvadd (bvmul v_~a29~0_510 (_ bv10 32)) (_ bv1077150 32)) (_ bv9 32))) ~a29~0))) .cse2)))) [2021-10-13 08:15:14,328 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,328 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,328 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,328 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,328 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,328 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,328 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,328 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,328 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-13 08:15:14,328 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-13 08:15:14,328 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-13 08:15:14,329 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-13 08:15:14,331 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-13 08:15:14,331 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-13 08:15:14,331 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-13 08:15:14,331 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,331 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,332 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,332 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,332 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,332 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,332 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,332 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,332 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,332 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,332 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 08:15:14,332 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-13 08:15:14,332 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-13 08:15:14,332 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-13 08:15:14,332 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-13 08:15:14,332 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,333 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,333 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,333 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,333 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,333 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-13 08:15:14,333 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-13 08:15:14,333 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-13 08:15:14,333 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,339 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,340 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,340 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,340 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-13 08:15:14,340 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-13 08:15:14,340 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,340 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,340 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,340 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,340 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,342 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,342 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-13 08:15:14,342 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-13 08:15:14,342 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,342 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,342 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-13 08:15:14,342 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-13 08:15:14,342 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-13 08:15:14,343 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 08:15:14,343 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2021-10-13 08:15:14,343 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,343 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,343 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,343 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,343 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,343 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,343 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,343 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-13 08:15:14,343 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-13 08:15:14,343 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-13 08:15:14,343 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-13 08:15:14,344 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-13 08:15:14,344 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-13 08:15:14,344 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-13 08:15:14,344 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,344 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,344 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-13 08:15:14,344 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-13 08:15:14,344 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,344 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,344 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,344 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,344 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,344 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-13 08:15:14,345 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-13 08:15:14,345 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-13 08:15:14,345 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,345 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,345 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,345 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,345 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,345 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,345 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-13 08:15:14,345 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-13 08:15:14,345 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-13 08:15:14,346 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,346 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,346 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,346 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,346 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,346 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,346 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,346 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,346 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-13 08:15:14,346 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-13 08:15:14,346 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-13 08:15:14,346 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,346 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,346 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,346 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,347 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,347 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,347 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,347 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,349 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,349 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,349 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,349 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-13 08:15:14,349 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-13 08:15:14,349 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-13 08:15:14,349 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-13 08:15:14,349 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-13 08:15:14,350 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,350 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,350 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,350 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,350 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,350 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,350 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,350 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-13 08:15:14,350 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-13 08:15:14,350 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-13 08:15:14,350 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,350 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,350 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,350 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-13 08:15:14,351 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-13 08:15:14,351 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,351 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,351 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,351 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,351 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,351 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-13 08:15:14,351 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-13 08:15:14,351 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,351 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,351 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-13 08:15:14,351 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-13 08:15:14,351 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,351 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 08:15:14,351 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,352 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,352 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,352 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,352 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,352 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-13 08:15:14,352 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-13 08:15:14,352 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-13 08:15:14,352 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-13 08:15:14,352 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,352 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,352 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,352 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,352 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,352 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,353 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,353 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,353 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-13 08:15:14,353 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-13 08:15:14,354 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-13 08:15:14,354 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-13 08:15:14,354 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-13 08:15:14,354 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-13 08:15:14,354 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,355 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,355 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,355 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,356 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,357 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,357 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,357 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-13 08:15:14,357 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-13 08:15:14,357 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 08:15:14,357 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,357 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,358 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,358 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,358 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,358 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,358 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-13 08:15:14,358 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-13 08:15:14,358 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,358 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,358 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,358 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,358 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,359 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,359 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,359 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-13 08:15:14,359 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-13 08:15:14,359 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,359 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,359 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-13 08:15:14,359 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-13 08:15:14,359 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-13 08:15:14,359 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-13 08:15:14,364 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 08:15:14,372 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,373 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,373 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,381 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:15:14 BoogieIcfgContainer [2021-10-13 08:15:14,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 08:15:14,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 08:15:14,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 08:15:14,387 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 08:15:14,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:09:30" (3/4) ... [2021-10-13 08:15:14,391 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 08:15:14,416 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 08:15:14,418 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 08:15:14,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 08:15:14,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 08:15:14,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(11bv32 == a25) && (!~bvslt32(277bv32, a29) || !(13bv32 == a25))) && (!~bvslt32(277bv32, a29) || !(a25 == 12bv32))) || !~bvsge32(138bv32, a23)) || (!~bvslt32(245bv32, a29) && !~bvsle32(a29, 140bv32))) || (a25 == 12bv32 && !~bvslt32(4294967253bv32, a23))) || (!~bvslt32(245bv32, a29) && !~bvslt32(4294967253bv32, a23))) || (!~bvslt32(277bv32, a29) && !~bvsge32(245bv32, a29))) || !(a4 == 1bv32)) || ((!(13bv32 == a25) && (\exists v_~a29~0_510 : bv32 :: (~bvsge32(245bv32, v_~a29~0_510) && ~bvslt32(140bv32, v_~a29~0_510)) && ~bvadd64(27123bv32, ~bvsdiv32(~bvadd64(~bvmul32(v_~a29~0_510, 10bv32), 1077150bv32), 9bv32)) == a29)) && !(a25 == 12bv32)) [2021-10-13 08:15:14,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(11bv32 == a25) && (!~bvslt32(277bv32, a29) || !(13bv32 == a25))) && (!~bvslt32(277bv32, a29) || !(a25 == 12bv32))) || !~bvsge32(138bv32, a23)) || (!~bvslt32(245bv32, a29) && !~bvsle32(a29, 140bv32))) || (a25 == 12bv32 && !~bvslt32(4294967253bv32, a23))) || (!~bvslt32(245bv32, a29) && !~bvslt32(4294967253bv32, a23))) || (!~bvslt32(277bv32, a29) && !~bvsge32(245bv32, a29))) || !(a4 == 1bv32)) || ((!(13bv32 == a25) && (\exists v_~a29~0_510 : bv32 :: (~bvsge32(245bv32, v_~a29~0_510) && ~bvslt32(140bv32, v_~a29~0_510)) && ~bvadd64(27123bv32, ~bvsdiv32(~bvadd64(~bvmul32(v_~a29~0_510, 10bv32), 1077150bv32), 9bv32)) == a29)) && !(a25 == 12bv32)) [2021-10-13 08:15:14,582 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 08:15:14,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 08:15:14,584 INFO L168 Benchmark]: Toolchain (without parser) took 354847.36 ms. Allocated memory was 71.3 MB in the beginning and 323.0 MB in the end (delta: 251.7 MB). Free memory was 50.0 MB in the beginning and 163.7 MB in the end (delta: -113.7 MB). Peak memory consumption was 135.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:14,584 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 71.3 MB. Free memory is still 51.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:15:14,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1134.94 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 49.8 MB in the beginning and 71.5 MB in the end (delta: -21.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:14,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.20 ms. Allocated memory is still 104.9 MB. Free memory was 71.5 MB in the beginning and 62.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:14,586 INFO L168 Benchmark]: Boogie Preprocessor took 129.05 ms. Allocated memory is still 104.9 MB. Free memory was 62.6 MB in the beginning and 55.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:14,586 INFO L168 Benchmark]: RCFGBuilder took 8882.38 ms. Allocated memory is still 104.9 MB. Free memory was 55.8 MB in the beginning and 62.3 MB in the end (delta: -6.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:14,586 INFO L168 Benchmark]: TraceAbstraction took 344348.23 ms. Allocated memory was 104.9 MB in the beginning and 323.0 MB in the end (delta: 218.1 MB). Free memory was 61.7 MB in the beginning and 187.8 MB in the end (delta: -126.1 MB). Peak memory consumption was 215.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:14,587 INFO L168 Benchmark]: Witness Printer took 195.65 ms. Allocated memory is still 323.0 MB. Free memory was 187.8 MB in the beginning and 163.7 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:15:14,589 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 71.3 MB. Free memory is still 51.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1134.94 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 49.8 MB in the beginning and 71.5 MB in the end (delta: -21.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 149.20 ms. Allocated memory is still 104.9 MB. Free memory was 71.5 MB in the beginning and 62.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 129.05 ms. Allocated memory is still 104.9 MB. Free memory was 62.6 MB in the beginning and 55.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8882.38 ms. Allocated memory is still 104.9 MB. Free memory was 55.8 MB in the beginning and 62.3 MB in the end (delta: -6.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 344348.23 ms. Allocated memory was 104.9 MB in the beginning and 323.0 MB in the end (delta: 218.1 MB). Free memory was 61.7 MB in the beginning and 187.8 MB in the end (delta: -126.1 MB). Peak memory consumption was 215.4 MB. Max. memory is 16.1 GB. * Witness Printer took 195.65 ms. Allocated memory is still 323.0 MB. Free memory was 187.8 MB in the beginning and 163.7 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] * 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: 88]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 344257.8ms, OverallIterations: 11, TraceHistogramMax: 4, EmptinessCheckTime: 170.4ms, AutomataDifference: 209278.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5164.6ms, InitialAbstractionConstructionTime: 17.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1993 SDtfs, 2603 SDslu, 331 SDs, 0 SdLazy, 8693 SolverSat, 1956 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 189955.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7028 GetRequests, 6987 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3167.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=12751occurred in iteration=10, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1686.7ms AutomataMinimizationTime, 11 MinimizatonAttempts, 1150 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 160 NumberOfFragments, 191 HoareAnnotationTreeSize, 3 FomulaSimplifications, 7546 FormulaSimplificationTreeSizeReduction, 435.5ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 1862 FormulaSimplificationTreeSizeReductionInter, 4720.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 357.8ms SsaConstructionTime, 2071.7ms SatisfiabilityAnalysisTime, 107300.9ms InterpolantComputationTime, 3528 NumberOfCodeBlocks, 3528 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 7028 ConstructedInterpolants, 22 QuantifiedInterpolants, 33735 SizeOfPredicates, 24 NumberOfNonLiveVariables, 4437 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 28 InterpolantComputations, 18 PerfectInterpolantSequences, 4197/5562 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 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant [2021-10-13 08:15:14,598 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,599 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,599 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,600 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,600 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,600 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] Derived loop invariant: ((((((((!(11bv32 == a25) && (!~bvslt32(277bv32, a29) || !(13bv32 == a25))) && (!~bvslt32(277bv32, a29) || !(a25 == 12bv32))) || !~bvsge32(138bv32, a23)) || (!~bvslt32(245bv32, a29) && !~bvsle32(a29, 140bv32))) || (a25 == 12bv32 && !~bvslt32(4294967253bv32, a23))) || (!~bvslt32(245bv32, a29) && !~bvslt32(4294967253bv32, a23))) || (!~bvslt32(277bv32, a29) && !~bvsge32(245bv32, a29))) || !(a4 == 1bv32)) || ((!(13bv32 == a25) && (\exists v_~a29~0_510 : bv32 :: (~bvsge32(245bv32, v_~a29~0_510) && ~bvslt32(140bv32, v_~a29~0_510)) && ~bvadd64(27123bv32, ~bvsdiv32(~bvadd64(~bvmul32(v_~a29~0_510, 10bv32), 1077150bv32), 9bv32)) == a29)) && !(a25 == 12bv32)) - InvariantResult [Line: 32]: Loop Invariant [2021-10-13 08:15:14,601 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,601 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,602 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,602 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,603 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] [2021-10-13 08:15:14,603 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_510,QUANTIFIED] Derived loop invariant: ((((((((!(11bv32 == a25) && (!~bvslt32(277bv32, a29) || !(13bv32 == a25))) && (!~bvslt32(277bv32, a29) || !(a25 == 12bv32))) || !~bvsge32(138bv32, a23)) || (!~bvslt32(245bv32, a29) && !~bvsle32(a29, 140bv32))) || (a25 == 12bv32 && !~bvslt32(4294967253bv32, a23))) || (!~bvslt32(245bv32, a29) && !~bvslt32(4294967253bv32, a23))) || (!~bvslt32(277bv32, a29) && !~bvsge32(245bv32, a29))) || !(a4 == 1bv32)) || ((!(13bv32 == a25) && (\exists v_~a29~0_510 : bv32 :: (~bvsge32(245bv32, v_~a29~0_510) && ~bvslt32(140bv32, v_~a29~0_510)) && ~bvadd64(27123bv32, ~bvsdiv32(~bvadd64(~bvmul32(v_~a29~0_510, 10bv32), 1077150bv32), 9bv32)) == a29)) && !(a25 == 12bv32)) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-13 08:15:14,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c29390-4bb2-41ab-b1b0-60d61105de18/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...