./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label23.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label23.c -s /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan --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 ce994d210c7a80b13e4ef9463fc5394f27eb9557 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label23.c -s /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan --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 ce994d210c7a80b13e4ef9463fc5394f27eb9557 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 14:29:56,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 14:29:56,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 14:29:56,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 14:29:56,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 14:29:56,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 14:29:56,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 14:29:56,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 14:29:56,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 14:29:56,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 14:29:56,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 14:29:56,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 14:29:56,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 14:29:56,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 14:29:56,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 14:29:56,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 14:29:56,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 14:29:56,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 14:29:56,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 14:29:56,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 14:29:56,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 14:29:56,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 14:29:56,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 14:29:56,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 14:29:56,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 14:29:56,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 14:29:56,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 14:29:56,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 14:29:56,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 14:29:56,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 14:29:56,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 14:29:56,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 14:29:56,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 14:29:56,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 14:29:56,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 14:29:56,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 14:29:56,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 14:29:56,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 14:29:56,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 14:29:56,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 14:29:56,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 14:29:56,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 14:29:56,469 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 14:29:56,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 14:29:56,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 14:29:56,470 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 14:29:56,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 14:29:56,470 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 14:29:56,470 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 14:29:56,470 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 14:29:56,470 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 14:29:56,470 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 14:29:56,470 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 14:29:56,471 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 14:29:56,471 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 14:29:56,471 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 14:29:56,471 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 14:29:56,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 14:29:56,472 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 14:29:56,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 14:29:56,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 14:29:56,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 14:29:56,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 14:29:56,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 14:29:56,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 14:29:56,472 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 14:29:56,473 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 14:29:56,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 14:29:56,473 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 14:29:56,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 14:29:56,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 14:29:56,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 14:29:56,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:29:56,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 14:29:56,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 14:29:56,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 14:29:56,474 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 14:29:56,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 14:29:56,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 14:29:56,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 14:29:56,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 14:29:56,474 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-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce994d210c7a80b13e4ef9463fc5394f27eb9557 [2020-12-09 14:29:56,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 14:29:56,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 14:29:56,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 14:29:56,676 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 14:29:56,676 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 14:29:56,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label23.c [2020-12-09 14:29:56,719 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/data/7893d621e/793d5b5cd054426bb4c20b99e1faf6b3/FLAGacb9f761f [2020-12-09 14:29:57,153 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 14:29:57,153 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/sv-benchmarks/c/eca-rers2012/Problem10_label23.c [2020-12-09 14:29:57,164 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/data/7893d621e/793d5b5cd054426bb4c20b99e1faf6b3/FLAGacb9f761f [2020-12-09 14:29:57,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/data/7893d621e/793d5b5cd054426bb4c20b99e1faf6b3 [2020-12-09 14:29:57,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 14:29:57,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 14:29:57,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 14:29:57,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 14:29:57,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 14:29:57,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:29:57" (1/1) ... [2020-12-09 14:29:57,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4653ea0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:29:57, skipping insertion in model container [2020-12-09 14:29:57,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:29:57" (1/1) ... [2020-12-09 14:29:57,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 14:29:57,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 14:29:57,375 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/sv-benchmarks/c/eca-rers2012/Problem10_label23.c[5328,5341] [2020-12-09 14:29:57,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:29:57,486 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 14:29:57,511 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/sv-benchmarks/c/eca-rers2012/Problem10_label23.c[5328,5341] [2020-12-09 14:29:57,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:29:57,588 INFO L208 MainTranslator]: Completed translation [2020-12-09 14:29:57,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:29:57 WrapperNode [2020-12-09 14:29:57,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 14:29:57,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 14:29:57,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 14:29:57,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 14:29:57,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:29:57" (1/1) ... [2020-12-09 14:29:57,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:29:57" (1/1) ... [2020-12-09 14:29:57,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 14:29:57,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 14:29:57,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 14:29:57,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 14:29:57,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:29:57" (1/1) ... [2020-12-09 14:29:57,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:29:57" (1/1) ... [2020-12-09 14:29:57,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:29:57" (1/1) ... [2020-12-09 14:29:57,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:29:57" (1/1) ... [2020-12-09 14:29:57,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:29:57" (1/1) ... [2020-12-09 14:29:57,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:29:57" (1/1) ... [2020-12-09 14:29:57,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:29:57" (1/1) ... [2020-12-09 14:29:57,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 14:29:57,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 14:29:57,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 14:29:57,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 14:29:57,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:29:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:29:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 14:29:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 14:29:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 14:29:57,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 14:30:03,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 14:30:03,680 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 14:30:03,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:30:03 BoogieIcfgContainer [2020-12-09 14:30:03,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 14:30:03,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 14:30:03,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 14:30:03,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 14:30:03,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:29:57" (1/3) ... [2020-12-09 14:30:03,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b2c896c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:30:03, skipping insertion in model container [2020-12-09 14:30:03,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:29:57" (2/3) ... [2020-12-09 14:30:03,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b2c896c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:30:03, skipping insertion in model container [2020-12-09 14:30:03,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:30:03" (3/3) ... [2020-12-09 14:30:03,687 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label23.c [2020-12-09 14:30:03,697 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 14:30:03,700 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 14:30:03,706 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 14:30:03,725 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 14:30:03,725 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 14:30:03,725 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 14:30:03,725 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 14:30:03,725 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 14:30:03,725 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 14:30:03,726 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 14:30:03,726 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 14:30:03,734 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 14:30:03,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 14:30:03,737 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:30:03,737 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 14:30:03,737 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:30:03,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:30:03,741 INFO L82 PathProgramCache]: Analyzing trace with hash 857614938, now seen corresponding path program 1 times [2020-12-09 14:30:03,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:30:03,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503338310] [2020-12-09 14:30:03,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:30:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:30:03,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:30:03,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503338310] [2020-12-09 14:30:03,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:30:03,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:30:03,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349886136] [2020-12-09 14:30:03,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:30:03,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:30:03,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:30:03,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:30:03,917 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-12-09 14:30:03,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:30:03,978 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2020-12-09 14:30:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:30:03,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 14:30:03,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:30:03,984 INFO L225 Difference]: With dead ends: 23 [2020-12-09 14:30:03,984 INFO L226 Difference]: Without dead ends: 11 [2020-12-09 14:30:03,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:30:03,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-09 14:30:04,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-12-09 14:30:04,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-09 14:30:04,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-09 14:30:04,007 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2020-12-09 14:30:04,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:30:04,007 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-12-09 14:30:04,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:30:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-09 14:30:04,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 14:30:04,008 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:30:04,008 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-12-09 14:30:04,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 14:30:04,008 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:30:04,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:30:04,009 INFO L82 PathProgramCache]: Analyzing trace with hash 29697052, now seen corresponding path program 1 times [2020-12-09 14:30:04,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 14:30:04,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724617008] [2020-12-09 14:30:04,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 14:30:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:30:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:30:04,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724617008] [2020-12-09 14:30:04,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184778159] [2020-12-09 14:30:04,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 14:30:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:30:04,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-09 14:30:04,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:30:04,529 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 133 [2020-12-09 14:30:04,573 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:30:04,576 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,578 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:30:04,579 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,580 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:30:04,582 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:30:04,584 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:30:04,586 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:30:04,591 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:30:04,593 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,595 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,599 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:30:04,604 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,606 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,608 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:30:04,610 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:30:04,611 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,615 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:30:04,620 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:30:04,622 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,623 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,624 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,627 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:30:04,631 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:30:04,633 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:30:04,634 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:30:04,636 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 14:30:04,638 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 14:30:04,640 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 14:30:04,644 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:30:04,648 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,650 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:30:04,651 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:30:04,653 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,656 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:30:04,660 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,661 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,662 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:30:04,664 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:30:04,665 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 14:30:04,668 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,671 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:30:04,672 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,673 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,674 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 14:30:04,676 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 14:30:04,682 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 9, 4, 5, 4, 4, 4, 3, 4, 1] term [2020-12-09 14:30:04,682 INFO L639 QuantifierPusher]: Distributing 9 conjuncts over 2 disjuncts [2020-12-09 14:30:04,683 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 5, 4, 4, 4, 3, 4, 1] term [2020-12-09 14:30:04,684 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 14:30:04,685 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 4, 4, 3, 4, 1] term [2020-12-09 14:30:04,685 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 14:30:04,686 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 4, 1] term [2020-12-09 14:30:04,686 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 14:30:04,688 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 4, 4, 3, 4, 1] term [2020-12-09 14:30:04,689 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 14:30:04,778 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 14:30:04,779 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 14:30:04,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:30:04,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 14:30:05,089 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1667 DAG size of output: 1146 [2020-12-09 14:30:05,102 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 14:30:05,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [214472634] [2020-12-09 14:30:05,117 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 14:30:05,117 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 14:30:05,120 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 14:30:05,123 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 14:30:05,124 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 14:30:05,231 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 41 [2020-12-09 14:30:05,848 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 41 [2020-12-09 14:30:06,802 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1677 DAG size of output: 1592 [2020-12-09 14:39:03,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 14:39:03,706 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: variable got div captured at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.findBestReplacementSbr(DualJunctionDer.java:305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.tryToEliminateSbr(DualJunctionDer.java:319) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:190) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:141) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminate(DualJunctionDer.java:119) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:776) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:739) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:656) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:358) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.doit(QuantifierPusher.java:523) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:378) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.eliminate(QuantifierPusher.java:151) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.eliminate(QuantifierPusher.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elimPushPull(PartialQuantifierElimination.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elimPushPull(PartialQuantifierElimination.java:202) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) 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.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) 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:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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) [2020-12-09 14:39:03,709 INFO L168 Benchmark]: Toolchain (without parser) took 546526.75 ms. Allocated memory was 117.4 MB in the beginning and 977.3 MB in the end (delta: 859.8 MB). Free memory was 78.2 MB in the beginning and 409.0 MB in the end (delta: -330.8 MB). Peak memory consumption was 636.3 MB. Max. memory is 16.1 GB. [2020-12-09 14:39:03,709 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 117.4 MB. Free memory is still 96.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:39:03,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.30 ms. Allocated memory is still 117.4 MB. Free memory was 78.0 MB in the beginning and 75.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 14:39:03,711 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.90 ms. Allocated memory is still 117.4 MB. Free memory was 75.9 MB in the beginning and 68.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 14:39:03,711 INFO L168 Benchmark]: Boogie Preprocessor took 62.22 ms. Allocated memory is still 117.4 MB. Free memory was 68.0 MB in the beginning and 62.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 14:39:03,712 INFO L168 Benchmark]: RCFGBuilder took 5947.25 ms. Allocated memory was 117.4 MB in the beginning and 243.3 MB in the end (delta: 125.8 MB). Free memory was 62.7 MB in the beginning and 86.6 MB in the end (delta: -23.9 MB). Peak memory consumption was 143.8 MB. Max. memory is 16.1 GB. [2020-12-09 14:39:03,713 INFO L168 Benchmark]: TraceAbstraction took 540024.74 ms. Allocated memory was 243.3 MB in the beginning and 977.3 MB in the end (delta: 734.0 MB). Free memory was 85.5 MB in the beginning and 409.0 MB in the end (delta: -323.5 MB). Peak memory consumption was 517.5 MB. Max. memory is 16.1 GB. [2020-12-09 14:39:03,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 117.4 MB. Free memory is still 96.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 406.30 ms. Allocated memory is still 117.4 MB. Free memory was 78.0 MB in the beginning and 75.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.90 ms. Allocated memory is still 117.4 MB. Free memory was 75.9 MB in the beginning and 68.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.22 ms. Allocated memory is still 117.4 MB. Free memory was 68.0 MB in the beginning and 62.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5947.25 ms. Allocated memory was 117.4 MB in the beginning and 243.3 MB in the end (delta: 125.8 MB). Free memory was 62.7 MB in the beginning and 86.6 MB in the end (delta: -23.9 MB). Peak memory consumption was 143.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 540024.74 ms. Allocated memory was 243.3 MB in the beginning and 977.3 MB in the end (delta: 734.0 MB). Free memory was 85.5 MB in the beginning and 409.0 MB in the end (delta: -323.5 MB). Peak memory consumption was 517.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: variable got div captured de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: variable got div captured: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 14:39:05,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 14:39:05,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 14:39:05,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 14:39:05,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 14:39:05,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 14:39:05,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 14:39:05,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 14:39:05,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 14:39:05,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 14:39:05,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 14:39:05,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 14:39:05,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 14:39:05,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 14:39:05,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 14:39:05,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 14:39:05,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 14:39:05,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 14:39:05,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 14:39:05,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 14:39:05,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 14:39:05,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 14:39:05,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 14:39:05,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 14:39:05,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 14:39:05,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 14:39:05,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 14:39:05,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 14:39:05,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 14:39:05,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 14:39:05,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 14:39:05,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 14:39:05,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 14:39:05,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 14:39:05,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 14:39:05,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 14:39:05,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 14:39:05,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 14:39:05,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 14:39:05,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 14:39:05,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 14:39:05,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 14:39:05,341 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 14:39:05,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 14:39:05,342 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 14:39:05,342 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 14:39:05,343 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 14:39:05,343 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 14:39:05,343 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 14:39:05,343 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 14:39:05,343 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 14:39:05,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 14:39:05,344 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 14:39:05,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 14:39:05,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 14:39:05,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 14:39:05,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 14:39:05,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 14:39:05,345 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 14:39:05,345 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 14:39:05,345 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 14:39:05,345 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 14:39:05,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 14:39:05,345 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 14:39:05,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 14:39:05,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 14:39:05,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 14:39:05,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 14:39:05,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:39:05,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 14:39:05,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 14:39:05,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 14:39:05,351 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 14:39:05,351 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 14:39:05,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 14:39:05,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 14:39:05,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 14:39:05,351 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-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce994d210c7a80b13e4ef9463fc5394f27eb9557 [2020-12-09 14:39:05,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 14:39:05,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 14:39:05,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 14:39:05,585 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 14:39:05,586 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 14:39:05,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label23.c [2020-12-09 14:39:05,628 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/data/a2683379a/dcd2095cdedd49e4ba0f0879ba8e931d/FLAGbdebb657a [2020-12-09 14:39:06,063 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 14:39:06,063 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/sv-benchmarks/c/eca-rers2012/Problem10_label23.c [2020-12-09 14:39:06,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/data/a2683379a/dcd2095cdedd49e4ba0f0879ba8e931d/FLAGbdebb657a [2020-12-09 14:39:06,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/data/a2683379a/dcd2095cdedd49e4ba0f0879ba8e931d [2020-12-09 14:39:06,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 14:39:06,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 14:39:06,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 14:39:06,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 14:39:06,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 14:39:06,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:39:06" (1/1) ... [2020-12-09 14:39:06,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246ac7e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:39:06, skipping insertion in model container [2020-12-09 14:39:06,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:39:06" (1/1) ... [2020-12-09 14:39:06,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 14:39:06,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 14:39:06,266 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/sv-benchmarks/c/eca-rers2012/Problem10_label23.c[5328,5341] [2020-12-09 14:39:06,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:39:06,421 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 14:39:06,445 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/sv-benchmarks/c/eca-rers2012/Problem10_label23.c[5328,5341] [2020-12-09 14:39:06,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:39:06,535 INFO L208 MainTranslator]: Completed translation [2020-12-09 14:39:06,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:39:06 WrapperNode [2020-12-09 14:39:06,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 14:39:06,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 14:39:06,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 14:39:06,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 14:39:06,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:39:06" (1/1) ... [2020-12-09 14:39:06,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:39:06" (1/1) ... [2020-12-09 14:39:06,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 14:39:06,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 14:39:06,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 14:39:06,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 14:39:06,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:39:06" (1/1) ... [2020-12-09 14:39:06,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:39:06" (1/1) ... [2020-12-09 14:39:06,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:39:06" (1/1) ... [2020-12-09 14:39:06,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:39:06" (1/1) ... [2020-12-09 14:39:06,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:39:06" (1/1) ... [2020-12-09 14:39:06,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:39:06" (1/1) ... [2020-12-09 14:39:06,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:39:06" (1/1) ... [2020-12-09 14:39:06,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 14:39:06,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 14:39:06,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 14:39:06,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 14:39:06,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:39:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:39:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 14:39:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 14:39:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 14:39:06,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 14:39:08,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 14:39:08,770 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 14:39:08,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:39:08 BoogieIcfgContainer [2020-12-09 14:39:08,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 14:39:08,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 14:39:08,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 14:39:08,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 14:39:08,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:39:06" (1/3) ... [2020-12-09 14:39:08,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3092cc60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:39:08, skipping insertion in model container [2020-12-09 14:39:08,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:39:06" (2/3) ... [2020-12-09 14:39:08,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3092cc60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:39:08, skipping insertion in model container [2020-12-09 14:39:08,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:39:08" (3/3) ... [2020-12-09 14:39:08,779 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label23.c [2020-12-09 14:39:08,788 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 14:39:08,791 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 14:39:08,798 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 14:39:08,815 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 14:39:08,815 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 14:39:08,815 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 14:39:08,815 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 14:39:08,815 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 14:39:08,815 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 14:39:08,815 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 14:39:08,816 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 14:39:08,828 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-09 14:39:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-09 14:39:08,834 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:39:08,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 14:39:08,835 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:39:08,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:39:08,839 INFO L82 PathProgramCache]: Analyzing trace with hash 291089130, now seen corresponding path program 1 times [2020-12-09 14:39:08,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:39:08,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575807793] [2020-12-09 14:39:08,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 14:39:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:39:08,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 14:39:08,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:39:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:39:08,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 14:39:08,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575807793] [2020-12-09 14:39:08,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:39:08,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:39:08,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253308057] [2020-12-09 14:39:08,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:39:08,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 14:39:08,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:39:08,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:39:09,000 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-12-09 14:39:11,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:39:11,812 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2020-12-09 14:39:11,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:39:11,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-12-09 14:39:11,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:39:11,822 INFO L225 Difference]: With dead ends: 552 [2020-12-09 14:39:11,822 INFO L226 Difference]: Without dead ends: 282 [2020-12-09 14:39:11,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:39:11,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-09 14:39:11,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-12-09 14:39:11,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-09 14:39:11,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2020-12-09 14:39:11,860 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 46 [2020-12-09 14:39:11,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:39:11,861 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2020-12-09 14:39:11,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:39:11,861 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2020-12-09 14:39:11,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-09 14:39:11,864 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:39:11,864 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 14:39:12,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 14:39:12,067 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:39:12,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:39:12,070 INFO L82 PathProgramCache]: Analyzing trace with hash 413449494, now seen corresponding path program 1 times [2020-12-09 14:39:12,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:39:12,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023324444] [2020-12-09 14:39:12,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 14:39:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:39:12,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 14:39:12,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:39:12,315 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:39:12,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 14:39:12,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023324444] [2020-12-09 14:39:12,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:39:12,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 14:39:12,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828803046] [2020-12-09 14:39:12,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:39:12,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 14:39:12,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:39:12,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:39:12,318 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2020-12-09 14:39:14,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:39:14,826 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2020-12-09 14:39:14,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:39:14,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-09 14:39:14,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:39:14,830 INFO L225 Difference]: With dead ends: 701 [2020-12-09 14:39:14,830 INFO L226 Difference]: Without dead ends: 421 [2020-12-09 14:39:14,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:39:14,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-12-09 14:39:14,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-12-09 14:39:14,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-09 14:39:14,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2020-12-09 14:39:14,848 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 112 [2020-12-09 14:39:14,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:39:14,849 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2020-12-09 14:39:14,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:39:14,849 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2020-12-09 14:39:14,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-09 14:39:14,851 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:39:14,851 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 14:39:15,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 14:39:15,053 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:39:15,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:39:15,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1323359063, now seen corresponding path program 1 times [2020-12-09 14:39:15,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:39:15,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1261443642] [2020-12-09 14:39:15,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 14:39:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:39:15,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 14:39:15,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:39:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:39:15,302 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 14:39:15,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1261443642] [2020-12-09 14:39:15,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:39:15,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:39:15,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814803378] [2020-12-09 14:39:15,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:39:15,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 14:39:15,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:39:15,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:39:15,303 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand 3 states. [2020-12-09 14:39:17,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:39:17,309 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2020-12-09 14:39:17,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:39:17,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-12-09 14:39:17,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:39:17,312 INFO L225 Difference]: With dead ends: 979 [2020-12-09 14:39:17,312 INFO L226 Difference]: Without dead ends: 560 [2020-12-09 14:39:17,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:39:17,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-09 14:39:17,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-12-09 14:39:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-09 14:39:17,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2020-12-09 14:39:17,327 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 119 [2020-12-09 14:39:17,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:39:17,327 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2020-12-09 14:39:17,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:39:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2020-12-09 14:39:17,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-09 14:39:17,330 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:39:17,330 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 14:39:17,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 14:39:17,531 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:39:17,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:39:17,532 INFO L82 PathProgramCache]: Analyzing trace with hash 2053972964, now seen corresponding path program 1 times [2020-12-09 14:39:17,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:39:17,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346793693] [2020-12-09 14:39:17,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 14:39:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:39:17,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 14:39:17,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:39:17,772 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:39:17,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 14:39:18,045 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:39:18,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346793693] [2020-12-09 14:39:18,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [107062844] [2020-12-09 14:39:18,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt [2020-12-09 14:39:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:39:18,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 14:39:18,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:39:18,308 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:39:18,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 14:39:18,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 14:39:18,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 9 [2020-12-09 14:39:18,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094090078] [2020-12-09 14:39:18,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 14:39:18,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 14:39:18,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 14:39:18,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-12-09 14:39:18,310 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 4 states. [2020-12-09 14:39:24,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:39:24,177 INFO L93 Difference]: Finished difference Result 1535 states and 1937 transitions. [2020-12-09 14:39:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 14:39:24,178 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-12-09 14:39:24,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:39:24,181 INFO L225 Difference]: With dead ends: 1535 [2020-12-09 14:39:24,181 INFO L226 Difference]: Without dead ends: 699 [2020-12-09 14:39:24,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-12-09 14:39:24,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-12-09 14:39:24,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-12-09 14:39:24,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-09 14:39:24,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 866 transitions. [2020-12-09 14:39:24,193 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 866 transitions. Word has length 121 [2020-12-09 14:39:24,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:39:24,193 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 866 transitions. [2020-12-09 14:39:24,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 14:39:24,193 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 866 transitions. [2020-12-09 14:39:24,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-12-09 14:39:24,196 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:39:24,196 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 14:39:24,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3,6 cvc4 --incremental --print-success --lang smt [2020-12-09 14:39:24,599 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:39:24,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:39:24,601 INFO L82 PathProgramCache]: Analyzing trace with hash -2065258068, now seen corresponding path program 1 times [2020-12-09 14:39:24,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:39:24,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236671456] [2020-12-09 14:39:24,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-09 14:39:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:39:24,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 14:39:24,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:39:24,810 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-12-09 14:39:24,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 14:39:24,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236671456] [2020-12-09 14:39:24,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:39:24,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 14:39:24,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723701812] [2020-12-09 14:39:24,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:39:24,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 14:39:24,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:39:24,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:39:24,811 INFO L87 Difference]: Start difference. First operand 699 states and 866 transitions. Second operand 3 states. [2020-12-09 14:39:27,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:39:27,114 INFO L93 Difference]: Finished difference Result 1813 states and 2297 transitions. [2020-12-09 14:39:27,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:39:27,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2020-12-09 14:39:27,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:39:27,120 INFO L225 Difference]: With dead ends: 1813 [2020-12-09 14:39:27,120 INFO L226 Difference]: Without dead ends: 1255 [2020-12-09 14:39:27,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 14:39:27,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-12-09 14:39:27,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 977. [2020-12-09 14:39:27,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-12-09 14:39:27,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1190 transitions. [2020-12-09 14:39:27,137 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1190 transitions. Word has length 227 [2020-12-09 14:39:27,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:39:27,137 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1190 transitions. [2020-12-09 14:39:27,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:39:27,137 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1190 transitions. [2020-12-09 14:39:27,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-12-09 14:39:27,140 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:39:27,140 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-12-09 14:39:27,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 14:39:27,342 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 14:39:27,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:39:27,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1004432922, now seen corresponding path program 1 times [2020-12-09 14:39:27,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:39:27,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786775760] [2020-12-09 14:39:27,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-12-09 14:39:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:39:27,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 14:39:27,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:39:27,677 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 87 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:39:27,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 14:39:28,197 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-09 14:39:28,554 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 87 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 14:39:28,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786775760] [2020-12-09 14:39:28,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [948651351] [2020-12-09 14:39:28,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt [2020-12-09 14:39:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:39:28,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 14:39:28,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:39:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-12-09 14:39:28,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 14:39:28,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 14:39:28,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 7 [2020-12-09 14:39:28,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995731393] [2020-12-09 14:39:28,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 14:39:28,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 14:39:28,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 14:39:28,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 14:39:28,879 INFO L87 Difference]: Start difference. First operand 977 states and 1190 transitions. Second operand 3 states. [2020-12-09 14:39:30,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:39:30,999 INFO L93 Difference]: Finished difference Result 2089 states and 2595 transitions. [2020-12-09 14:39:30,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 14:39:30,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2020-12-09 14:39:31,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:39:31,000 INFO L225 Difference]: With dead ends: 2089 [2020-12-09 14:39:31,000 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 14:39:31,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 762 GetRequests, 757 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 14:39:31,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 14:39:31,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 14:39:31,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 14:39:31,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 14:39:31,002 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 255 [2020-12-09 14:39:31,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:39:31,003 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 14:39:31,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 14:39:31,003 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 14:39:31,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 14:39:31,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt,8 mathsat -unsat_core_generation=3 [2020-12-09 14:39:31,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 14:39:31,524 INFO L262 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-09 14:39:31,525 INFO L262 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-09 14:39:31,525 INFO L262 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-09 14:39:31,525 INFO L262 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-09 14:39:31,525 INFO L262 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-09 14:39:31,525 INFO L262 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-09 14:39:31,525 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,525 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,525 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,525 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,525 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,525 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,525 INFO L262 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-09 14:39:31,525 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-09 14:39:31,525 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-09 14:39:31,526 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-09 14:39:31,526 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-09 14:39:31,526 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-09 14:39:31,526 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-09 14:39:31,526 INFO L262 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-09 14:39:31,526 INFO L262 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-09 14:39:31,526 INFO L262 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-09 14:39:31,526 INFO L262 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-09 14:39:31,526 INFO L262 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-09 14:39:31,526 INFO L262 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-09 14:39:31,526 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,526 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,526 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,526 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,527 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,527 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,527 INFO L262 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-09 14:39:31,527 INFO L262 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-09 14:39:31,527 INFO L262 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-09 14:39:31,527 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-09 14:39:31,527 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 14:39:31,527 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-09 14:39:31,527 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-09 14:39:31,527 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-09 14:39:31,527 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-09 14:39:31,527 INFO L262 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-09 14:39:31,527 INFO L262 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-09 14:39:31,527 INFO L262 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-09 14:39:31,528 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,528 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,528 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,528 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,528 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,528 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,528 INFO L262 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-09 14:39:31,528 INFO L262 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-09 14:39:31,528 INFO L262 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-09 14:39:31,528 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-09 14:39:31,528 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-09 14:39:31,528 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-09 14:39:31,528 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-09 14:39:31,529 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-09 14:39:31,529 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-09 14:39:31,529 INFO L262 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-09 14:39:31,529 INFO L262 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-09 14:39:31,529 INFO L262 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-09 14:39:31,529 INFO L262 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-09 14:39:31,529 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,529 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,529 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,529 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,529 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,529 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,529 INFO L262 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-09 14:39:31,529 INFO L262 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-09 14:39:31,530 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 14:39:31,530 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-09 14:39:31,530 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-09 14:39:31,530 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 14:39:31,530 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-09 14:39:31,530 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-09 14:39:31,530 INFO L262 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-09 14:39:31,530 INFO L262 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-09 14:39:31,530 INFO L262 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-09 14:39:31,530 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,530 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,530 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,530 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,531 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,531 INFO L262 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-09 14:39:31,531 INFO L262 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-09 14:39:31,531 INFO L262 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-09 14:39:31,531 INFO L262 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-09 14:39:31,531 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-09 14:39:31,531 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 14:39:31,531 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-09 14:39:31,531 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-09 14:39:31,531 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-09 14:39:31,531 INFO L262 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-09 14:39:31,531 INFO L262 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-09 14:39:31,532 INFO L262 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-09 14:39:31,532 INFO L262 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-09 14:39:31,532 INFO L262 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-09 14:39:31,532 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,532 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,532 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,532 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,532 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,532 INFO L262 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-09 14:39:31,532 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 14:39:31,532 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-09 14:39:31,532 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-09 14:39:31,533 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-09 14:39:31,533 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-09 14:39:31,533 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-09 14:39:31,533 INFO L258 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (or (not (bvsle ~a1~0 (_ bv4294967283 32))) (= (_ bv9 32) ~a19~0) (not (= (_ bv0 32) (bvadd ~a4~0 (_ bv4294967282 32)))) (= (_ bv10 32) ~a19~0) (not (= (_ bv0 32) ~a12~0)) (not (= (_ bv1 32) ~a10~0))) [2020-12-09 14:39:31,533 INFO L262 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-09 14:39:31,533 INFO L262 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-09 14:39:31,533 INFO L262 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-09 14:39:31,533 INFO L262 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-09 14:39:31,533 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,534 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,534 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,534 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,534 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,534 INFO L262 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-09 14:39:31,534 INFO L262 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-09 14:39:31,534 INFO L262 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-09 14:39:31,534 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-09 14:39:31,534 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 14:39:31,534 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-09 14:39:31,534 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-09 14:39:31,534 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-09 14:39:31,534 INFO L262 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-09 14:39:31,535 INFO L262 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-09 14:39:31,535 INFO L265 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-09 14:39:31,535 INFO L262 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-09 14:39:31,535 INFO L262 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-09 14:39:31,535 INFO L262 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-09 14:39:31,535 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 14:39:31,535 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,535 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,535 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,535 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,535 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,535 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-09 14:39:31,535 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-09 14:39:31,536 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 14:39:31,536 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-09 14:39:31,536 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-09 14:39:31,536 INFO L262 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-09 14:39:31,536 INFO L262 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-09 14:39:31,536 INFO L262 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-09 14:39:31,536 INFO L262 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-09 14:39:31,536 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,536 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,536 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,536 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,536 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 14:39:31,537 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,537 INFO L262 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-09 14:39:31,537 INFO L262 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-09 14:39:31,537 INFO L262 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-09 14:39:31,537 INFO L262 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-09 14:39:31,537 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 14:39:31,537 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-09 14:39:31,537 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-09 14:39:31,537 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-09 14:39:31,537 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-09 14:39:31,537 INFO L262 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-09 14:39:31,537 INFO L262 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-09 14:39:31,537 INFO L262 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-09 14:39:31,538 INFO L258 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (or (not (bvsle ~a1~0 (_ bv4294967283 32))) (= (_ bv9 32) ~a19~0) (not (= (_ bv0 32) (bvadd ~a4~0 (_ bv4294967282 32)))) (= (_ bv10 32) ~a19~0) (not (= (_ bv0 32) ~a12~0)) (not (= (_ bv1 32) ~a10~0))) [2020-12-09 14:39:31,538 INFO L262 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-09 14:39:31,538 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,538 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,538 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,538 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,538 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-09 14:39:31,538 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,538 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,538 INFO L262 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-09 14:39:31,538 INFO L262 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-09 14:39:31,538 INFO L262 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-09 14:39:31,539 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-09 14:39:31,539 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 14:39:31,539 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-09 14:39:31,539 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-09 14:39:31,539 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-09 14:39:31,539 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-09 14:39:31,539 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 14:39:31,539 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2020-12-09 14:39:31,539 INFO L262 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-09 14:39:31,539 INFO L262 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-09 14:39:31,539 INFO L262 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-09 14:39:31,539 INFO L262 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-09 14:39:31,540 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,540 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,540 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,540 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,540 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,540 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 14:39:31,540 INFO L262 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-09 14:39:31,540 INFO L262 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-09 14:39:31,540 INFO L262 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-09 14:39:31,540 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-09 14:39:31,540 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-09 14:39:31,540 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-09 14:39:31,540 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-09 14:39:31,541 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-09 14:39:31,541 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-09 14:39:31,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:39:31 BoogieIcfgContainer [2020-12-09 14:39:31,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 14:39:31,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 14:39:31,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 14:39:31,553 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 14:39:31,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:39:08" (3/4) ... [2020-12-09 14:39:31,555 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 14:39:31,570 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 14:39:31,571 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 14:39:31,573 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 14:39:31,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 14:39:31,664 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_061b144f-2b1c-4eac-8114-a6b30b888b8e/bin/utaipan/witness.graphml [2020-12-09 14:39:31,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 14:39:31,665 INFO L168 Benchmark]: Toolchain (without parser) took 25577.79 ms. Allocated memory was 67.1 MB in the beginning and 125.8 MB in the end (delta: 58.7 MB). Free memory was 48.4 MB in the beginning and 68.7 MB in the end (delta: -20.3 MB). Peak memory consumption was 36.9 MB. Max. memory is 16.1 GB. [2020-12-09 14:39:31,665 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 67.1 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:39:31,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.06 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 48.2 MB in the beginning and 67.2 MB in the end (delta: -19.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2020-12-09 14:39:31,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.29 ms. Allocated memory is still 86.0 MB. Free memory was 67.2 MB in the beginning and 61.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 14:39:31,666 INFO L168 Benchmark]: Boogie Preprocessor took 64.77 ms. Allocated memory is still 86.0 MB. Free memory was 61.9 MB in the beginning and 57.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 14:39:31,666 INFO L168 Benchmark]: RCFGBuilder took 2097.23 ms. Allocated memory is still 86.0 MB. Free memory was 57.4 MB in the beginning and 62.3 MB in the end (delta: -4.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2020-12-09 14:39:31,666 INFO L168 Benchmark]: TraceAbstraction took 22778.43 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 61.7 MB in the beginning and 83.4 MB in the end (delta: -21.6 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.1 GB. [2020-12-09 14:39:31,667 INFO L168 Benchmark]: Witness Printer took 111.78 ms. Allocated memory is still 125.8 MB. Free memory was 83.4 MB in the beginning and 68.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-09 14:39:31,668 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 67.1 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 448.06 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 48.2 MB in the beginning and 67.2 MB in the end (delta: -19.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.29 ms. Allocated memory is still 86.0 MB. Free memory was 67.2 MB in the beginning and 61.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.77 ms. Allocated memory is still 86.0 MB. Free memory was 61.9 MB in the beginning and 57.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2097.23 ms. Allocated memory is still 86.0 MB. Free memory was 57.4 MB in the beginning and 62.3 MB in the end (delta: -4.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 22778.43 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 61.7 MB in the beginning and 83.4 MB in the end (delta: -21.6 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.1 GB. * Witness Printer took 111.78 ms. Allocated memory is still 125.8 MB. Free memory was 83.4 MB in the beginning and 68.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 152]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((!~bvsle32(a1, 4294967283bv32) || 9bv32 == a19) || !(0bv32 == ~bvadd64(a4, 4294967282bv32))) || 10bv32 == a19) || !(0bv32 == a12)) || !(1bv32 == a10) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((!~bvsle32(a1, 4294967283bv32) || 9bv32 == a19) || !(0bv32 == ~bvadd64(a4, 4294967282bv32))) || 10bv32 == a19) || !(0bv32 == a12)) || !(1bv32 == a10) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.5s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 17.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 623 SDtfs, 716 SDslu, 33 SDs, 0 SdLazy, 2489 SolverSat, 575 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1624 GetRequests, 1607 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 278 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 29 NumberOfFragments, 51 HoareAnnotationTreeSize, 3 FomulaSimplifications, 552 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1256 NumberOfCodeBlocks, 1256 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1622 ConstructedInterpolants, 0 QuantifiedInterpolants, 2720134 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1645 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 681/943 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...