./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label16.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_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label16.c -s /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/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 7008b59eaa44c4bc0959fd528d5c5ed41e21fd49 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label16.c -s /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/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 7008b59eaa44c4bc0959fd528d5c5ed41e21fd49 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:38:48,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 18:38:48,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 18:38:48,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 18:38:48,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 18:38:48,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 18:38:48,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 18:38:48,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 18:38:48,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 18:38:48,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 18:38:48,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 18:38:48,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 18:38:48,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 18:38:48,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 18:38:48,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 18:38:48,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 18:38:48,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 18:38:48,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 18:38:48,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 18:38:48,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 18:38:48,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 18:38:48,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 18:38:48,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 18:38:48,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 18:38:48,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 18:38:48,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 18:38:48,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 18:38:48,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 18:38:48,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 18:38:48,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 18:38:48,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 18:38:48,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 18:38:48,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 18:38:48,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 18:38:48,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 18:38:48,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 18:38:48,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 18:38:48,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 18:38:48,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 18:38:48,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 18:38:48,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 18:38:48,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 18:38:48,415 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 18:38:48,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 18:38:48,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 18:38:48,416 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 18:38:48,416 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 18:38:48,416 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 18:38:48,417 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 18:38:48,417 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 18:38:48,417 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 18:38:48,417 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 18:38:48,417 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 18:38:48,417 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 18:38:48,418 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 18:38:48,418 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 18:38:48,418 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 18:38:48,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 18:38:48,419 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 18:38:48,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 18:38:48,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 18:38:48,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 18:38:48,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 18:38:48,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 18:38:48,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 18:38:48,420 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 18:38:48,420 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 18:38:48,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 18:38:48,420 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 18:38:48,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 18:38:48,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 18:38:48,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 18:38:48,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:38:48,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 18:38:48,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 18:38:48,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 18:38:48,422 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 18:38:48,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 18:38:48,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 18:38:48,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 18:38:48,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 18:38:48,423 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_37fafbf4-c58d-4c00-8ee8-264f4859c96c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7008b59eaa44c4bc0959fd528d5c5ed41e21fd49 [2020-12-09 18:38:48,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 18:38:48,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 18:38:48,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 18:38:48,626 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 18:38:48,627 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 18:38:48,627 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label16.c [2020-12-09 18:38:48,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/data/1bc82d6ec/acb3b70ab256459ea1fd658cca0d8123/FLAG327480023 [2020-12-09 18:38:49,157 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 18:38:49,157 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/sv-benchmarks/c/eca-rers2012/Problem16_label16.c [2020-12-09 18:38:49,169 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/data/1bc82d6ec/acb3b70ab256459ea1fd658cca0d8123/FLAG327480023 [2020-12-09 18:38:49,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/data/1bc82d6ec/acb3b70ab256459ea1fd658cca0d8123 [2020-12-09 18:38:49,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 18:38:49,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 18:38:49,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 18:38:49,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 18:38:49,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 18:38:49,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:38:49" (1/1) ... [2020-12-09 18:38:49,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42768dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:49, skipping insertion in model container [2020-12-09 18:38:49,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:38:49" (1/1) ... [2020-12-09 18:38:49,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 18:38:49,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 18:38:49,365 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_37fafbf4-c58d-4c00-8ee8-264f4859c96c/sv-benchmarks/c/eca-rers2012/Problem16_label16.c[4534,4547] [2020-12-09 18:38:49,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:38:49,612 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 18:38:49,627 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_37fafbf4-c58d-4c00-8ee8-264f4859c96c/sv-benchmarks/c/eca-rers2012/Problem16_label16.c[4534,4547] [2020-12-09 18:38:49,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:38:49,766 INFO L208 MainTranslator]: Completed translation [2020-12-09 18:38:49,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:49 WrapperNode [2020-12-09 18:38:49,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 18:38:49,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 18:38:49,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 18:38:49,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 18:38:49,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:49" (1/1) ... [2020-12-09 18:38:49,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:49" (1/1) ... [2020-12-09 18:38:49,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 18:38:49,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 18:38:49,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 18:38:49,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 18:38:49,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:49" (1/1) ... [2020-12-09 18:38:49,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:49" (1/1) ... [2020-12-09 18:38:49,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:49" (1/1) ... [2020-12-09 18:38:49,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:49" (1/1) ... [2020-12-09 18:38:49,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:49" (1/1) ... [2020-12-09 18:38:49,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:49" (1/1) ... [2020-12-09 18:38:50,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:49" (1/1) ... [2020-12-09 18:38:50,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 18:38:50,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 18:38:50,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 18:38:50,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 18:38:50,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/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 18:38:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 18:38:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 18:38:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 18:38:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 18:39:45,861 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 18:39:45,861 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-09 18:39:45,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:39:45 BoogieIcfgContainer [2020-12-09 18:39:45,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 18:39:45,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 18:39:45,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 18:39:45,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 18:39:45,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:38:49" (1/3) ... [2020-12-09 18:39:45,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297bd308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:39:45, skipping insertion in model container [2020-12-09 18:39:45,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:49" (2/3) ... [2020-12-09 18:39:45,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297bd308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:39:45, skipping insertion in model container [2020-12-09 18:39:45,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:39:45" (3/3) ... [2020-12-09 18:39:45,869 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label16.c [2020-12-09 18:39:45,878 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 18:39:45,881 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 18:39:45,887 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 18:39:45,903 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 18:39:45,903 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 18:39:45,903 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 18:39:45,903 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 18:39:45,903 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 18:39:45,903 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 18:39:45,903 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 18:39:45,903 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 18:39:45,911 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 18:39:45,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 18:39:45,914 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:39:45,915 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 18:39:45,915 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:39:45,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:39:45,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1732960945, now seen corresponding path program 1 times [2020-12-09 18:39:45,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 18:39:45,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887699589] [2020-12-09 18:39:45,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 18:39:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:39:46,053 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 18:39:46,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887699589] [2020-12-09 18:39:46,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:39:46,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 18:39:46,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910777491] [2020-12-09 18:39:46,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:39:46,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 18:39:46,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:39:46,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:39:46,068 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-12-09 18:39:46,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:39:46,213 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2020-12-09 18:39:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:39:46,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 18:39:46,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:39:46,221 INFO L225 Difference]: With dead ends: 23 [2020-12-09 18:39:46,221 INFO L226 Difference]: Without dead ends: 11 [2020-12-09 18:39:46,223 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 18:39:46,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-09 18:39:46,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-12-09 18:39:46,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-09 18:39:46,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-09 18:39:46,244 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2020-12-09 18:39:46,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:39:46,244 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-12-09 18:39:46,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:39:46,244 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-09 18:39:46,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 18:39:46,245 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:39:46,245 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-12-09 18:39:46,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 18:39:46,245 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:39:46,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:39:46,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1332309016, now seen corresponding path program 1 times [2020-12-09 18:39:46,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 18:39:46,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753106149] [2020-12-09 18:39:46,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 18:39:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:39:46,815 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 18:39:46,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753106149] [2020-12-09 18:39:46,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038463570] [2020-12-09 18:39:46,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/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 18:39:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:39:46,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-09 18:39:46,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:39:47,517 WARN L197 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 2840 DAG size of output: 149 [2020-12-09 18:39:47,571 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:39:47,573 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,574 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,575 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,576 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,578 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:39:47,579 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,580 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,583 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,584 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,585 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,590 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,595 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,600 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,603 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,604 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,607 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,607 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,611 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,614 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,616 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,617 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:39:47,620 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,624 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:39:47,626 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:39:47,627 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:39:47,628 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:39:47,629 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,632 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:39:47,636 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,637 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,641 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,645 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,646 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,647 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,650 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,654 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,655 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,659 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,664 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,665 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,666 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,667 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,668 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,668 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,669 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,670 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:39:47,674 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,678 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,679 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,683 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,688 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,688 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:39:47,689 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:39:47,691 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:39:47,695 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,695 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,696 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:39:47,699 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,702 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,704 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,705 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,705 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,706 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,709 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,711 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,712 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:39:47,715 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,718 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,718 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,719 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,721 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:39:47,723 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,724 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,727 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:39:47,740 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 9, 5, 5, 5, 3, 5, 3, 5, 2, 5, 1] term [2020-12-09 18:39:47,740 INFO L639 QuantifierPusher]: Distributing 9 conjuncts over 2 disjuncts [2020-12-09 18:39:47,742 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 5, 5, 3, 5, 3, 5, 2, 5, 1] term [2020-12-09 18:39:47,742 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:39:47,743 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 5, 3, 5, 2, 5, 1] term [2020-12-09 18:39:47,743 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:39:47,743 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 5, 2, 5, 1] term [2020-12-09 18:39:47,744 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:39:47,744 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-12-09 18:39:47,744 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:39:47,968 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-12-09 18:39:47,977 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 7, 4, 1] term [2020-12-09 18:39:47,977 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 18:39:48,080 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 18:39:48,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:39:49,552 WARN L197 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 5467 DAG size of output: 4319 [2020-12-09 18:39:49,663 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 5, 10, 6, 9, 5, 8, 6, 10, 6, 10, 6, 8, 4, 9, 5, 9, 5, 8, 4, 9, 5, 10, 6, 8, 4, 8, 4, 8, 4, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,663 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,666 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 10, 6, 9, 5, 8, 6, 10, 6, 10, 6, 8, 4, 9, 5, 9, 5, 8, 4, 9, 5, 10, 6, 8, 4, 8, 4, 8, 4, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,666 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,670 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 5, 8, 6, 10, 6, 10, 6, 8, 4, 9, 5, 9, 5, 8, 4, 9, 5, 10, 6, 8, 4, 8, 4, 8, 4, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,670 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,672 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 6, 10, 6, 10, 6, 8, 4, 9, 5, 9, 5, 8, 4, 9, 5, 10, 6, 8, 4, 8, 4, 8, 4, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,672 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,674 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 10, 6, 10, 6, 8, 4, 9, 5, 9, 5, 8, 4, 9, 5, 10, 6, 8, 4, 8, 4, 8, 4, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,674 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,677 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 10, 6, 8, 4, 9, 5, 9, 5, 8, 4, 9, 5, 10, 6, 8, 4, 8, 4, 8, 4, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,677 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,679 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 4, 9, 5, 9, 5, 8, 4, 9, 5, 10, 6, 8, 4, 8, 4, 8, 4, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,679 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,681 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 5, 9, 5, 8, 4, 9, 5, 10, 6, 8, 4, 8, 4, 8, 4, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,681 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,683 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 5, 8, 4, 9, 5, 10, 6, 8, 4, 8, 4, 8, 4, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,683 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,685 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 4, 9, 5, 10, 6, 8, 4, 8, 4, 8, 4, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,686 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,688 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 5, 10, 6, 8, 4, 8, 4, 8, 4, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,688 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,690 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 10, 6, 8, 4, 8, 4, 8, 4, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,690 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,691 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 4, 8, 4, 8, 4, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,692 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,693 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 4, 8, 4, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,694 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,695 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 4, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,695 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,697 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 10, 6, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,697 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,699 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 5, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,699 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,700 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 5, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,701 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,702 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 4, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,702 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,704 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 4, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,704 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,705 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 5, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,705 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,707 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 6, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,707 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,708 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,708 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,710 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 5, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,710 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,711 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 5, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,711 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,712 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 5, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,712 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,713 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 5, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,713 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,715 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 5, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,715 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,716 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 6, 8, 4, 8, 4, 10, 6, 9, 2, 3, 2, 1] term [2020-12-09 18:39:49,717 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,717 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 4, 8, 4, 10, 6, 9, 2, 1] term [2020-12-09 18:39:49,717 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,718 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 4, 10, 6, 9, 2, 1] term [2020-12-09 18:39:49,718 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,719 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 10, 6, 9, 2, 1] term [2020-12-09 18:39:49,719 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,719 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 9, 1] term [2020-12-09 18:39:49,719 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:39:49,751 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 18:39:49,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1637109674] [2020-12-09 18:39:49,767 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 18:39:49,767 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 18:39:49,770 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 18:39:49,774 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 18:39:49,774 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 18:39:49,927 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2020-12-09 18:39:50,216 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2020-12-09 18:39:57,723 WARN L197 SmtUtils]: Spent 6.98 s on a formula simplification. DAG size of input: 7887 DAG size of output: 7551 [2020-12-09 18:40:29,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 18:40:29,883 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.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.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 18:40:29,893 INFO L168 Benchmark]: Toolchain (without parser) took 100709.36 ms. Allocated memory was 96.5 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 73.1 MB in the beginning and 472.0 MB in the end (delta: -398.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. [2020-12-09 18:40:29,893 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 96.5 MB. Free memory is still 71.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:40:29,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.63 ms. Allocated memory is still 96.5 MB. Free memory was 72.8 MB in the beginning and 40.3 MB in the end (delta: 32.4 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2020-12-09 18:40:29,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.59 ms. Allocated memory is still 96.5 MB. Free memory was 40.3 MB in the beginning and 46.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 18:40:29,895 INFO L168 Benchmark]: Boogie Preprocessor took 119.14 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 46.7 MB in the beginning and 73.1 MB in the end (delta: -26.3 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2020-12-09 18:40:29,895 INFO L168 Benchmark]: RCFGBuilder took 55833.43 ms. Allocated memory was 119.5 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 73.1 MB in the beginning and 467.5 MB in the end (delta: -394.4 MB). Peak memory consumption was 929.5 MB. Max. memory is 16.1 GB. [2020-12-09 18:40:29,896 INFO L168 Benchmark]: TraceAbstraction took 44027.48 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 587.2 MB). Free memory was 467.5 MB in the beginning and 472.0 MB in the end (delta: -4.5 MB). Peak memory consumption was 818.8 MB. Max. memory is 16.1 GB. [2020-12-09 18:40:29,899 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 96.5 MB. Free memory is still 71.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 582.63 ms. Allocated memory is still 96.5 MB. Free memory was 72.8 MB in the beginning and 40.3 MB in the end (delta: 32.4 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 142.59 ms. Allocated memory is still 96.5 MB. Free memory was 40.3 MB in the beginning and 46.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 119.14 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 46.7 MB in the beginning and 73.1 MB in the end (delta: -26.3 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 55833.43 ms. Allocated memory was 119.5 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 73.1 MB in the beginning and 467.5 MB in the end (delta: -394.4 MB). Peak memory consumption was 929.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 44027.48 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 587.2 MB). Free memory was 467.5 MB in the beginning and 472.0 MB in the end (delta: -4.5 MB). Peak memory consumption was 818.8 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 18:40:31,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 18:40:31,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 18:40:31,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 18:40:31,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 18:40:31,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 18:40:31,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 18:40:31,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 18:40:31,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 18:40:31,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 18:40:31,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 18:40:31,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 18:40:31,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 18:40:31,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 18:40:31,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 18:40:31,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 18:40:31,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 18:40:31,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 18:40:31,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 18:40:31,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 18:40:31,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 18:40:31,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 18:40:31,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 18:40:31,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 18:40:31,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 18:40:31,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 18:40:31,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 18:40:31,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 18:40:31,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 18:40:31,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 18:40:31,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 18:40:31,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 18:40:31,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 18:40:31,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 18:40:31,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 18:40:31,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 18:40:31,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 18:40:31,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 18:40:31,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 18:40:31,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 18:40:31,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 18:40:31,542 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 18:40:31,561 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 18:40:31,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 18:40:31,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 18:40:31,562 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 18:40:31,563 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 18:40:31,563 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 18:40:31,563 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 18:40:31,563 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 18:40:31,563 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 18:40:31,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 18:40:31,564 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 18:40:31,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 18:40:31,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 18:40:31,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 18:40:31,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 18:40:31,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 18:40:31,565 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 18:40:31,565 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 18:40:31,565 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 18:40:31,565 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 18:40:31,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 18:40:31,566 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 18:40:31,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 18:40:31,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 18:40:31,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 18:40:31,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 18:40:31,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:40:31,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 18:40:31,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 18:40:31,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 18:40:31,567 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 18:40:31,567 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 18:40:31,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 18:40:31,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 18:40:31,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 18:40:31,568 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_37fafbf4-c58d-4c00-8ee8-264f4859c96c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7008b59eaa44c4bc0959fd528d5c5ed41e21fd49 [2020-12-09 18:40:31,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 18:40:31,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 18:40:31,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 18:40:31,830 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 18:40:31,831 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 18:40:31,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label16.c [2020-12-09 18:40:31,871 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/data/db2e21093/96cbdc0153d644edba0a126114e4a539/FLAG1dab2b7b1 [2020-12-09 18:40:32,360 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 18:40:32,361 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/sv-benchmarks/c/eca-rers2012/Problem16_label16.c [2020-12-09 18:40:32,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/data/db2e21093/96cbdc0153d644edba0a126114e4a539/FLAG1dab2b7b1 [2020-12-09 18:40:32,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/data/db2e21093/96cbdc0153d644edba0a126114e4a539 [2020-12-09 18:40:32,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 18:40:32,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 18:40:32,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 18:40:32,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 18:40:32,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 18:40:32,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:40:32" (1/1) ... [2020-12-09 18:40:32,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a95b506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:32, skipping insertion in model container [2020-12-09 18:40:32,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:40:32" (1/1) ... [2020-12-09 18:40:32,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 18:40:32,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 18:40:32,581 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_37fafbf4-c58d-4c00-8ee8-264f4859c96c/sv-benchmarks/c/eca-rers2012/Problem16_label16.c[4534,4547] [2020-12-09 18:40:32,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:40:32,922 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 18:40:32,942 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_37fafbf4-c58d-4c00-8ee8-264f4859c96c/sv-benchmarks/c/eca-rers2012/Problem16_label16.c[4534,4547] [2020-12-09 18:40:33,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:40:33,111 INFO L208 MainTranslator]: Completed translation [2020-12-09 18:40:33,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:33 WrapperNode [2020-12-09 18:40:33,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 18:40:33,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 18:40:33,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 18:40:33,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 18:40:33,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:33" (1/1) ... [2020-12-09 18:40:33,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:33" (1/1) ... [2020-12-09 18:40:33,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 18:40:33,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 18:40:33,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 18:40:33,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 18:40:33,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:33" (1/1) ... [2020-12-09 18:40:33,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:33" (1/1) ... [2020-12-09 18:40:33,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:33" (1/1) ... [2020-12-09 18:40:33,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:33" (1/1) ... [2020-12-09 18:40:33,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:33" (1/1) ... [2020-12-09 18:40:33,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:33" (1/1) ... [2020-12-09 18:40:33,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:33" (1/1) ... [2020-12-09 18:40:33,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 18:40:33,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 18:40:33,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 18:40:33,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 18:40:33,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/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 18:40:33,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 18:40:33,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 18:40:33,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 18:40:33,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 18:40:39,798 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 18:40:39,799 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-09 18:40:39,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:40:39 BoogieIcfgContainer [2020-12-09 18:40:39,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 18:40:39,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 18:40:39,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 18:40:39,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 18:40:39,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:40:32" (1/3) ... [2020-12-09 18:40:39,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc06ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:40:39, skipping insertion in model container [2020-12-09 18:40:39,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:33" (2/3) ... [2020-12-09 18:40:39,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc06ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:40:39, skipping insertion in model container [2020-12-09 18:40:39,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:40:39" (3/3) ... [2020-12-09 18:40:39,808 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label16.c [2020-12-09 18:40:39,817 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 18:40:39,819 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 18:40:39,829 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 18:40:39,848 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 18:40:39,848 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 18:40:39,848 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 18:40:39,849 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 18:40:39,849 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 18:40:39,849 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 18:40:39,849 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 18:40:39,849 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 18:40:39,868 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states. [2020-12-09 18:40:39,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-09 18:40:39,872 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:40:39,873 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] [2020-12-09 18:40:39,873 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:40:39,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:40:39,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1824112922, now seen corresponding path program 1 times [2020-12-09 18:40:39,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:40:39,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101365308] [2020-12-09 18:40:39,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/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 18:40:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:40:39,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 18:40:39,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:40:40,021 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 18:40:40,021 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:40:40,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1101365308] [2020-12-09 18:40:40,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:40:40,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 18:40:40,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205763125] [2020-12-09 18:40:40,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:40:40,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:40:40,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:40:40,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:40:40,036 INFO L87 Difference]: Start difference. First operand 396 states. Second operand 3 states. [2020-12-09 18:40:49,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:40:49,631 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2020-12-09 18:40:49,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:40:49,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-12-09 18:40:49,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:40:49,646 INFO L225 Difference]: With dead ends: 1122 [2020-12-09 18:40:49,646 INFO L226 Difference]: Without dead ends: 662 [2020-12-09 18:40:49,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 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 18:40:49,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-12-09 18:40:49,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-12-09 18:40:49,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-12-09 18:40:49,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 980 transitions. [2020-12-09 18:40:49,707 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 980 transitions. Word has length 42 [2020-12-09 18:40:49,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:40:49,708 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 980 transitions. [2020-12-09 18:40:49,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:40:49,708 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 980 transitions. [2020-12-09 18:40:49,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-09 18:40:49,711 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:40:49,711 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:40:49,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 18:40:49,914 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:40:49,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:40:49,916 INFO L82 PathProgramCache]: Analyzing trace with hash 644377546, now seen corresponding path program 1 times [2020-12-09 18:40:49,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:40:49,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [817540171] [2020-12-09 18:40:49,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/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 18:40:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:40:50,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 18:40:50,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:40:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:40:50,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:40:50,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [817540171] [2020-12-09 18:40:50,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:40:50,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 18:40:50,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746836292] [2020-12-09 18:40:50,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:40:50,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:40:50,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:40:50,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:40:50,133 INFO L87 Difference]: Start difference. First operand 662 states and 980 transitions. Second operand 3 states. [2020-12-09 18:40:56,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:40:56,889 INFO L93 Difference]: Finished difference Result 1651 states and 2341 transitions. [2020-12-09 18:40:56,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:40:56,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-12-09 18:40:56,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:40:56,895 INFO L225 Difference]: With dead ends: 1651 [2020-12-09 18:40:56,895 INFO L226 Difference]: Without dead ends: 991 [2020-12-09 18:40:56,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 112 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 18:40:56,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2020-12-09 18:40:56,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2020-12-09 18:40:56,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2020-12-09 18:40:56,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1339 transitions. [2020-12-09 18:40:56,925 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1339 transitions. Word has length 114 [2020-12-09 18:40:56,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:40:56,926 INFO L481 AbstractCegarLoop]: Abstraction has 991 states and 1339 transitions. [2020-12-09 18:40:56,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:40:56,926 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1339 transitions. [2020-12-09 18:40:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-09 18:40:56,928 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:40:56,929 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:40:57,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 18:40:57,131 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:40:57,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:40:57,133 INFO L82 PathProgramCache]: Analyzing trace with hash -389809175, now seen corresponding path program 1 times [2020-12-09 18:40:57,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:40:57,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78997111] [2020-12-09 18:40:57,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/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 18:40:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:40:57,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 18:40:57,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:40:57,340 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:40:57,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:40:57,550 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:40:57,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78997111] [2020-12-09 18:40:57,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2019084730] [2020-12-09 18:40:57,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt [2020-12-09 18:40:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:40:57,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 18:40:57,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:40:57,799 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:40:57,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:40:57,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 18:40:57,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3, 3] total 8 [2020-12-09 18:40:57,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728585871] [2020-12-09 18:40:57,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 18:40:57,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:40:57,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 18:40:57,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-09 18:40:57,801 INFO L87 Difference]: Start difference. First operand 991 states and 1339 transitions. Second operand 4 states. [2020-12-09 18:41:23,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:41:23,513 INFO L93 Difference]: Finished difference Result 2987 states and 4267 transitions. [2020-12-09 18:41:23,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 18:41:23,514 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2020-12-09 18:41:23,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:41:23,522 INFO L225 Difference]: With dead ends: 2987 [2020-12-09 18:41:23,523 INFO L226 Difference]: Without dead ends: 2327 [2020-12-09 18:41:23,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-09 18:41:23,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2020-12-09 18:41:23,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 2307. [2020-12-09 18:41:23,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2307 states. [2020-12-09 18:41:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3021 transitions. [2020-12-09 18:41:23,557 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3021 transitions. Word has length 129 [2020-12-09 18:41:23,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:41:23,557 INFO L481 AbstractCegarLoop]: Abstraction has 2307 states and 3021 transitions. [2020-12-09 18:41:23,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 18:41:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3021 transitions. [2020-12-09 18:41:23,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2020-12-09 18:41:23,571 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:41:23,571 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:23,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt [2020-12-09 18:41:23,974 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:41:23,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:41:23,975 INFO L82 PathProgramCache]: Analyzing trace with hash -2020282062, now seen corresponding path program 1 times [2020-12-09 18:41:23,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:41:23,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541925312] [2020-12-09 18:41:23,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 18:41:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:41:24,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 18:41:24,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:41:24,807 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 233 proven. 56 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-12-09 18:41:24,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:41:25,615 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 233 proven. 56 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-12-09 18:41:25,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541925312] [2020-12-09 18:41:25,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [383449588] [2020-12-09 18:41:25,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt [2020-12-09 18:41:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:41:25,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 18:41:25,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:41:26,168 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:41:26,171 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:41:26,523 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-09 18:41:26,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:41:26,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 18:41:26,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2020-12-09 18:41:26,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134778492] [2020-12-09 18:41:26,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 18:41:26,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:41:26,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 18:41:26,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-12-09 18:41:26,526 INFO L87 Difference]: Start difference. First operand 2307 states and 3021 transitions. Second operand 7 states. [2020-12-09 18:41:54,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:41:54,444 INFO L93 Difference]: Finished difference Result 5045 states and 6809 transitions. [2020-12-09 18:41:54,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 18:41:54,444 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 494 [2020-12-09 18:41:54,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:41:54,455 INFO L225 Difference]: With dead ends: 5045 [2020-12-09 18:41:54,455 INFO L226 Difference]: Without dead ends: 2307 [2020-12-09 18:41:54,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1481 GetRequests, 1471 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-12-09 18:41:54,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2020-12-09 18:41:54,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2020-12-09 18:41:54,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2307 states. [2020-12-09 18:41:54,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 2439 transitions. [2020-12-09 18:41:54,493 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 2439 transitions. Word has length 494 [2020-12-09 18:41:54,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:41:54,493 INFO L481 AbstractCegarLoop]: Abstraction has 2307 states and 2439 transitions. [2020-12-09 18:41:54,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 18:41:54,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2439 transitions. [2020-12-09 18:41:54,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2020-12-09 18:41:54,508 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:41:54,508 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:54,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt,6 mathsat -unsat_core_generation=3 [2020-12-09 18:41:54,910 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:41:54,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:41:54,911 INFO L82 PathProgramCache]: Analyzing trace with hash 866333128, now seen corresponding path program 1 times [2020-12-09 18:41:54,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:41:54,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541999222] [2020-12-09 18:41:54,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/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 18:41:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:41:55,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 18:41:55,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:41:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 562 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-09 18:41:55,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:41:55,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541999222] [2020-12-09 18:41:55,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:41:55,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 18:41:55,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367189783] [2020-12-09 18:41:55,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 18:41:55,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:41:55,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 18:41:55,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 18:41:55,895 INFO L87 Difference]: Start difference. First operand 2307 states and 2439 transitions. Second operand 4 states. [2020-12-09 18:41:59,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:41:59,962 INFO L93 Difference]: Finished difference Result 3954 states and 4209 transitions. [2020-12-09 18:41:59,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 18:41:59,971 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 699 [2020-12-09 18:41:59,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:41:59,978 INFO L225 Difference]: With dead ends: 3954 [2020-12-09 18:41:59,979 INFO L226 Difference]: Without dead ends: 2307 [2020-12-09 18:41:59,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 696 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 18:41:59,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2020-12-09 18:42:00,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2020-12-09 18:42:00,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2307 states. [2020-12-09 18:42:00,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 2434 transitions. [2020-12-09 18:42:00,007 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 2434 transitions. Word has length 699 [2020-12-09 18:42:00,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:42:00,007 INFO L481 AbstractCegarLoop]: Abstraction has 2307 states and 2434 transitions. [2020-12-09 18:42:00,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 18:42:00,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2434 transitions. [2020-12-09 18:42:00,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 804 [2020-12-09 18:42:00,013 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:42:00,014 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:00,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 18:42:00,215 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:42:00,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:42:00,218 INFO L82 PathProgramCache]: Analyzing trace with hash -2058522200, now seen corresponding path program 1 times [2020-12-09 18:42:00,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:42:00,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [508281060] [2020-12-09 18:42:00,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-12-09 18:42:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:42:00,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 18:42:00,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:42:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 802 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-12-09 18:42:01,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:42:01,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [508281060] [2020-12-09 18:42:01,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:42:01,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 18:42:01,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882785787] [2020-12-09 18:42:01,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:42:01,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:42:01,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:42:01,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:42:01,204 INFO L87 Difference]: Start difference. First operand 2307 states and 2434 transitions. Second operand 3 states. [2020-12-09 18:42:05,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:42:05,014 INFO L93 Difference]: Finished difference Result 4941 states and 5276 transitions. [2020-12-09 18:42:05,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:42:05,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 803 [2020-12-09 18:42:05,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:42:05,024 INFO L225 Difference]: With dead ends: 4941 [2020-12-09 18:42:05,024 INFO L226 Difference]: Without dead ends: 2965 [2020-12-09 18:42:05,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 801 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 18:42:05,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2020-12-09 18:42:05,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2965. [2020-12-09 18:42:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2965 states. [2020-12-09 18:42:05,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 3112 transitions. [2020-12-09 18:42:05,056 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 3112 transitions. Word has length 803 [2020-12-09 18:42:05,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:42:05,056 INFO L481 AbstractCegarLoop]: Abstraction has 2965 states and 3112 transitions. [2020-12-09 18:42:05,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:42:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 3112 transitions. [2020-12-09 18:42:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 911 [2020-12-09 18:42:05,063 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:42:05,064 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:05,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-12-09 18:42:05,265 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:42:05,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:42:05,266 INFO L82 PathProgramCache]: Analyzing trace with hash 339184221, now seen corresponding path program 1 times [2020-12-09 18:42:05,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:42:05,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987258042] [2020-12-09 18:42:05,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-12-09 18:42:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:42:05,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 18:42:05,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:42:06,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 695 proven. 0 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2020-12-09 18:42:06,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:42:06,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987258042] [2020-12-09 18:42:06,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:42:06,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 18:42:06,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026338700] [2020-12-09 18:42:06,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:42:06,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:42:06,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:42:06,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:42:06,886 INFO L87 Difference]: Start difference. First operand 2965 states and 3112 transitions. Second operand 3 states. [2020-12-09 18:42:10,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:42:10,100 INFO L93 Difference]: Finished difference Result 5270 states and 5560 transitions. [2020-12-09 18:42:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:42:10,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 910 [2020-12-09 18:42:10,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:42:10,110 INFO L225 Difference]: With dead ends: 5270 [2020-12-09 18:42:10,110 INFO L226 Difference]: Without dead ends: 2965 [2020-12-09 18:42:10,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 909 GetRequests, 908 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 18:42:10,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2020-12-09 18:42:10,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2965. [2020-12-09 18:42:10,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2965 states. [2020-12-09 18:42:10,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 3111 transitions. [2020-12-09 18:42:10,142 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 3111 transitions. Word has length 910 [2020-12-09 18:42:10,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:42:10,142 INFO L481 AbstractCegarLoop]: Abstraction has 2965 states and 3111 transitions. [2020-12-09 18:42:10,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:42:10,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 3111 transitions. [2020-12-09 18:42:10,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 971 [2020-12-09 18:42:10,150 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:42:10,150 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:10,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-12-09 18:42:10,352 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:42:10,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:42:10,354 INFO L82 PathProgramCache]: Analyzing trace with hash -2059259115, now seen corresponding path program 1 times [2020-12-09 18:42:10,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:42:10,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [259270343] [2020-12-09 18:42:10,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-12-09 18:42:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:42:10,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 18:42:10,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:42:12,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 731 proven. 317 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2020-12-09 18:42:12,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:42:15,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 731 proven. 317 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2020-12-09 18:42:15,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [259270343] [2020-12-09 18:42:15,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1573996956] [2020-12-09 18:42:15,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt [2020-12-09 18:42:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:42:15,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 18:42:15,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:42:16,270 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:16,271 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 771 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2020-12-09 18:42:17,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:42:17,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 18:42:17,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 4] total 11 [2020-12-09 18:42:17,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407853521] [2020-12-09 18:42:17,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 18:42:17,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:42:17,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 18:42:17,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-12-09 18:42:17,003 INFO L87 Difference]: Start difference. First operand 2965 states and 3111 transitions. Second operand 6 states. [2020-12-09 18:42:23,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:42:23,886 INFO L93 Difference]: Finished difference Result 6255 states and 6700 transitions. [2020-12-09 18:42:23,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 18:42:23,887 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 970 [2020-12-09 18:42:23,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:42:23,888 INFO L225 Difference]: With dead ends: 6255 [2020-12-09 18:42:23,888 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 18:42:23,891 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2907 GetRequests, 2898 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-12-09 18:42:23,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 18:42:23,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 18:42:23,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 18:42:23,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 18:42:23,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 970 [2020-12-09 18:42:23,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:42:23,891 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 18:42:23,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 18:42:23,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 18:42:23,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 18:42:24,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3,12 cvc4 --incremental --print-success --lang smt [2020-12-09 18:42:24,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 18:42:24,522 INFO L262 CegarLoopResult]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,522 INFO L262 CegarLoopResult]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,522 INFO L262 CegarLoopResult]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,522 INFO L262 CegarLoopResult]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,522 INFO L262 CegarLoopResult]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,523 INFO L262 CegarLoopResult]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,524 INFO L262 CegarLoopResult]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,525 INFO L262 CegarLoopResult]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,526 INFO L262 CegarLoopResult]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,526 INFO L262 CegarLoopResult]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,526 INFO L262 CegarLoopResult]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,526 INFO L262 CegarLoopResult]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,526 INFO L262 CegarLoopResult]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,526 INFO L262 CegarLoopResult]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,526 INFO L262 CegarLoopResult]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,526 INFO L262 CegarLoopResult]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,526 INFO L262 CegarLoopResult]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,526 INFO L262 CegarLoopResult]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,526 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-09 18:42:24,526 INFO L262 CegarLoopResult]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,526 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 18:42:24,526 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-09 18:42:24,526 INFO L258 CegarLoopResult]: At program point L1501(lines 33 1502) the Hoare annotation is: (or (not (= (_ bv3 32) ~a15~0)) (not (bvslt (_ bv4294967140 32) ~a18~0)) (not (bvsge (_ bv4294967217 32) ~a18~0)) (= (_ bv7 32) ~a12~0) (not (= (_ bv8 32) ~a16~0)) (= (_ bv5 32) ~a12~0) (= (_ bv6 32) ~a12~0)) [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,527 INFO L262 CegarLoopResult]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,528 INFO L262 CegarLoopResult]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L258 CegarLoopResult]: At program point L1774(lines 1504 1775) the Hoare annotation is: (or (not (= (_ bv3 32) ~a15~0)) (not (bvslt (_ bv4294967140 32) ~a18~0)) (not (bvsge (_ bv4294967217 32) ~a18~0)) (= (_ bv7 32) ~a12~0) (not (= (_ bv8 32) ~a16~0)) (= (_ bv5 32) ~a12~0) (= (_ bv6 32) ~a12~0)) [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,529 INFO L262 CegarLoopResult]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L262 CegarLoopResult]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,530 INFO L265 CegarLoopResult]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,531 INFO L262 CegarLoopResult]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 143) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L258 CegarLoopResult]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (or (not (= (_ bv3 32) ~a15~0)) (not (bvslt (_ bv4294967140 32) ~a18~0)) (not (bvsge (_ bv4294967217 32) ~a18~0)) (= (_ bv7 32) ~a12~0) (not (= (_ bv8 32) ~a16~0)) (= (_ bv5 32) ~a12~0) (= (_ bv6 32) ~a12~0)) [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,532 INFO L262 CegarLoopResult]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L1788(line 1788) no Hoare annotation was computed. [2020-12-09 18:42:24,533 INFO L262 CegarLoopResult]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-09 18:42:24,534 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-09 18:42:24,535 INFO L262 CegarLoopResult]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,535 INFO L262 CegarLoopResult]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,535 INFO L262 CegarLoopResult]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,535 INFO L262 CegarLoopResult]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,535 INFO L262 CegarLoopResult]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,535 INFO L262 CegarLoopResult]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,535 INFO L262 CegarLoopResult]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,535 INFO L262 CegarLoopResult]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,535 INFO L262 CegarLoopResult]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,535 INFO L262 CegarLoopResult]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,535 INFO L262 CegarLoopResult]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,535 INFO L262 CegarLoopResult]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,535 INFO L262 CegarLoopResult]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,535 INFO L262 CegarLoopResult]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,536 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-09 18:42:24,536 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-09 18:42:24,536 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-09 18:42:24,536 INFO L262 CegarLoopResult]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,536 INFO L262 CegarLoopResult]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,536 INFO L262 CegarLoopResult]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,536 INFO L262 CegarLoopResult]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,536 INFO L262 CegarLoopResult]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,536 INFO L262 CegarLoopResult]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,536 INFO L262 CegarLoopResult]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,536 INFO L262 CegarLoopResult]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,536 INFO L262 CegarLoopResult]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,537 INFO L262 CegarLoopResult]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,538 INFO L262 CegarLoopResult]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,539 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,540 INFO L262 CegarLoopResult]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2020-12-09 18:42:24,541 INFO L262 CegarLoopResult]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,542 INFO L262 CegarLoopResult]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,542 INFO L262 CegarLoopResult]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2020-12-09 18:42:24,542 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-09 18:42:24,542 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-09 18:42:24,542 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-09 18:42:24,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:42:24 BoogieIcfgContainer [2020-12-09 18:42:24,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 18:42:24,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 18:42:24,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 18:42:24,558 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 18:42:24,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:40:39" (3/4) ... [2020-12-09 18:42:24,560 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 18:42:24,589 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-09 18:42:24,591 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 18:42:24,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 18:42:24,596 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 18:42:24,750 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_37fafbf4-c58d-4c00-8ee8-264f4859c96c/bin/utaipan/witness.graphml [2020-12-09 18:42:24,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 18:42:24,752 INFO L168 Benchmark]: Toolchain (without parser) took 112362.81 ms. Allocated memory was 67.1 MB in the beginning and 478.2 MB in the end (delta: 411.0 MB). Free memory was 49.9 MB in the beginning and 292.8 MB in the end (delta: -242.8 MB). Peak memory consumption was 167.3 MB. Max. memory is 16.1 GB. [2020-12-09 18:42:24,752 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 54.5 MB. Free memory was 37.3 MB in the beginning and 37.2 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:42:24,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.90 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 49.7 MB in the beginning and 38.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2020-12-09 18:42:24,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.43 ms. Allocated memory is still 81.8 MB. Free memory was 38.0 MB in the beginning and 45.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-12-09 18:42:24,753 INFO L168 Benchmark]: Boogie Preprocessor took 85.44 ms. Allocated memory is still 81.8 MB. Free memory was 45.7 MB in the beginning and 35.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 18:42:24,754 INFO L168 Benchmark]: RCFGBuilder took 6494.33 ms. Allocated memory was 81.8 MB in the beginning and 123.7 MB in the end (delta: 41.9 MB). Free memory was 35.6 MB in the beginning and 59.1 MB in the end (delta: -23.4 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2020-12-09 18:42:24,754 INFO L168 Benchmark]: TraceAbstraction took 104754.30 ms. Allocated memory was 123.7 MB in the beginning and 478.2 MB in the end (delta: 354.4 MB). Free memory was 59.1 MB in the beginning and 330.5 MB in the end (delta: -271.5 MB). Peak memory consumption was 81.9 MB. Max. memory is 16.1 GB. [2020-12-09 18:42:24,755 INFO L168 Benchmark]: Witness Printer took 192.31 ms. Allocated memory is still 478.2 MB. Free memory was 330.5 MB in the beginning and 292.8 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-12-09 18:42:24,757 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 54.5 MB. Free memory was 37.3 MB in the beginning and 37.2 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 722.90 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 49.7 MB in the beginning and 38.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.43 ms. Allocated memory is still 81.8 MB. Free memory was 38.0 MB in the beginning and 45.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.44 ms. Allocated memory is still 81.8 MB. Free memory was 45.7 MB in the beginning and 35.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 6494.33 ms. Allocated memory was 81.8 MB in the beginning and 123.7 MB in the end (delta: 41.9 MB). Free memory was 35.6 MB in the beginning and 59.1 MB in the end (delta: -23.4 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 104754.30 ms. Allocated memory was 123.7 MB in the beginning and 478.2 MB in the end (delta: 354.4 MB). Free memory was 59.1 MB in the beginning and 330.5 MB in the end (delta: -271.5 MB). Peak memory consumption was 81.9 MB. Max. memory is 16.1 GB. * Witness Printer took 192.31 ms. Allocated memory is still 478.2 MB. Free memory was 330.5 MB in the beginning and 292.8 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 143]: 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: 1504]: Loop Invariant Derived loop invariant: (((((!(3bv32 == a15) || !~bvslt32(4294967140bv32, a18)) || !~bvsge32(4294967217bv32, a18)) || 7bv32 == a12) || !(8bv32 == a16)) || 5bv32 == a12) || 6bv32 == a12 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((!(3bv32 == a15) || !~bvslt32(4294967140bv32, a18)) || !~bvsge32(4294967217bv32, a18)) || 7bv32 == a12) || !(8bv32 == a16)) || 5bv32 == a12) || 6bv32 == a12 - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((!(3bv32 == a15) || !~bvslt32(4294967140bv32, a18)) || !~bvsge32(4294967217bv32, a18)) || 7bv32 == a12) || !(8bv32 == a16)) || 5bv32 == a12) || 6bv32 == a12 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 104.4s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 88.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1988 SDtfs, 4381 SDslu, 97 SDs, 0 SdLazy, 11061 SolverSat, 2413 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 77.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7337 GetRequests, 7305 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2965occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 59 NumberOfFragments, 79 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1611 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 57 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 5754 NumberOfCodeBlocks, 5754 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 7333 ConstructedInterpolants, 0 QuantifiedInterpolants, 25354515 SizeOfPredicates, 17 NumberOfNonLiveVariables, 6437 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 6891/7715 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...