./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label34.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_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/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 f4a44969557820fe98b70b9dc788f34c237275d3 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/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 f4a44969557820fe98b70b9dc788f34c237275d3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:02:45,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:02:45,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:02:45,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:02:45,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:02:45,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:02:45,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:02:45,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:02:45,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:02:45,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:02:45,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:02:45,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:02:45,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:02:45,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:02:45,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:02:45,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:02:45,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:02:45,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:02:45,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:02:45,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:02:45,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:02:45,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:02:45,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:02:45,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:02:45,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:02:45,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:02:45,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:02:45,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:02:45,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:02:45,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:02:45,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:02:45,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:02:45,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:02:45,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:02:45,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:02:45,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:02:45,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:02:45,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:02:45,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:02:45,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:02:45,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:02:45,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 08:02:45,215 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:02:45,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:02:45,216 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:02:45,216 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:02:45,216 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:02:45,216 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:02:45,216 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 08:02:45,217 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:02:45,217 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:02:45,217 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 08:02:45,217 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 08:02:45,217 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:02:45,217 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 08:02:45,217 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 08:02:45,217 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 08:02:45,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:02:45,218 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:02:45,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 08:02:45,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:02:45,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:02:45,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:02:45,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:02:45,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:02:45,219 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:02:45,219 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:02:45,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:02:45,219 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:02:45,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:02:45,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:02:45,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:02:45,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:02:45,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:02:45,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:02:45,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:02:45,220 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 08:02:45,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 08:02:45,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:02:45,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:02:45,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:02:45,220 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_1e5961ee-ae9c-4349-81cc-db440382e84e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a44969557820fe98b70b9dc788f34c237275d3 [2020-12-09 08:02:45,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:02:45,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:02:45,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:02:45,419 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:02:45,420 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:02:45,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c [2020-12-09 08:02:45,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/data/355e541ef/202998030b0d40b3851cbf4c7f1c8a20/FLAG0dba94c9a [2020-12-09 08:02:45,906 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:02:45,906 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/sv-benchmarks/c/eca-rers2012/Problem10_label34.c [2020-12-09 08:02:45,917 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/data/355e541ef/202998030b0d40b3851cbf4c7f1c8a20/FLAG0dba94c9a [2020-12-09 08:02:45,930 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/data/355e541ef/202998030b0d40b3851cbf4c7f1c8a20 [2020-12-09 08:02:45,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:02:45,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:02:45,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:02:45,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:02:45,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:02:45,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:02:45" (1/1) ... [2020-12-09 08:02:45,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@105fc3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:45, skipping insertion in model container [2020-12-09 08:02:45,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:02:45" (1/1) ... [2020-12-09 08:02:45,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:02:45,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:02:46,116 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_1e5961ee-ae9c-4349-81cc-db440382e84e/sv-benchmarks/c/eca-rers2012/Problem10_label34.c[7166,7179] [2020-12-09 08:02:46,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:02:46,198 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:02:46,218 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_1e5961ee-ae9c-4349-81cc-db440382e84e/sv-benchmarks/c/eca-rers2012/Problem10_label34.c[7166,7179] [2020-12-09 08:02:46,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:02:46,270 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:02:46,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46 WrapperNode [2020-12-09 08:02:46,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:02:46,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:02:46,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:02:46,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:02:46,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2020-12-09 08:02:46,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2020-12-09 08:02:46,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:02:46,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:02:46,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:02:46,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:02:46,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2020-12-09 08:02:46,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2020-12-09 08:02:46,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2020-12-09 08:02:46,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2020-12-09 08:02:46,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2020-12-09 08:02:46,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2020-12-09 08:02:46,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2020-12-09 08:02:46,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:02:46,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:02:46,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:02:46,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:02:46,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/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 08:02:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 08:02:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:02:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:02:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:02:52,260 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:02:52,260 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 08:02:52,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:02:52 BoogieIcfgContainer [2020-12-09 08:02:52,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:02:52,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:02:52,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:02:52,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:02:52,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:02:45" (1/3) ... [2020-12-09 08:02:52,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5093c487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:02:52, skipping insertion in model container [2020-12-09 08:02:52,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (2/3) ... [2020-12-09 08:02:52,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5093c487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:02:52, skipping insertion in model container [2020-12-09 08:02:52,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:02:52" (3/3) ... [2020-12-09 08:02:52,267 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label34.c [2020-12-09 08:02:52,277 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:02:52,280 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 08:02:52,288 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 08:02:52,304 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:02:52,305 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:02:52,305 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:02:52,305 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:02:52,305 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:02:52,305 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:02:52,305 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:02:52,305 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:02:52,313 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 08:02:52,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 08:02:52,316 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:02:52,317 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 08:02:52,317 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:02:52,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:02:52,321 INFO L82 PathProgramCache]: Analyzing trace with hash 857619290, now seen corresponding path program 1 times [2020-12-09 08:02:52,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:02:52,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292057776] [2020-12-09 08:02:52,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:02:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:02:52,504 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 08:02:52,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292057776] [2020-12-09 08:02:52,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:02:52,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:02:52,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884520482] [2020-12-09 08:02:52,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 08:02:52,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 08:02:52,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 08:02:52,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 08:02:52,521 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2020-12-09 08:02:52,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:02:52,610 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2020-12-09 08:02:52,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:02:52,611 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-12-09 08:02:52,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:02:52,619 INFO L225 Difference]: With dead ends: 23 [2020-12-09 08:02:52,620 INFO L226 Difference]: Without dead ends: 11 [2020-12-09 08:02:52,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 08:02:52,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-09 08:02:52,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-12-09 08:02:52,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-09 08:02:52,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-09 08:02:52,651 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2020-12-09 08:02:52,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:02:52,651 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-12-09 08:02:52,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 08:02:52,651 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-09 08:02:52,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 08:02:52,652 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:02:52,652 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-12-09 08:02:52,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 08:02:52,652 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:02:52,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:02:52,653 INFO L82 PathProgramCache]: Analyzing trace with hash -381860087, now seen corresponding path program 1 times [2020-12-09 08:02:52,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:02:52,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763155934] [2020-12-09 08:02:52,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:02:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:02:52,929 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 08:02:52,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763155934] [2020-12-09 08:02:52,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858916249] [2020-12-09 08:02:52,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/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 08:02:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:02:53,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 08:02:53,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:02:53,190 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 135 [2020-12-09 08:02:53,237 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,239 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,243 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,245 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,251 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,257 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,260 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,263 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,264 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,267 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,268 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,270 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,275 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,278 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,280 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,283 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 08:02:53,284 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,286 INFO L639 QuantifierPusher]: Distributing 9 conjuncts over 2 disjuncts [2020-12-09 08:02:53,287 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,288 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,291 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,295 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,297 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,302 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,308 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,308 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,313 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,319 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,324 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,326 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,327 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,332 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,335 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,342 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,346 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,349 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,353 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,355 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,356 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,357 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,360 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,363 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,365 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,367 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,370 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,371 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,373 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,375 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,380 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,382 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,385 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,387 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,388 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,390 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 08:02:53,390 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,392 INFO L639 QuantifierPusher]: Distributing 9 conjuncts over 2 disjuncts [2020-12-09 08:02:53,393 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,394 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,395 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,398 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,399 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,401 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,401 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,402 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,403 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,405 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,409 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,411 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,413 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,413 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,414 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,416 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,417 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,419 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 08:02:53,419 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:02:53,420 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,422 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:02:53,426 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,426 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,429 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,432 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,433 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,435 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,438 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,440 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,442 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,443 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,444 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,445 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,445 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,447 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,450 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,451 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,452 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,454 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 08:02:53,454 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,456 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,457 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,457 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:02:53,458 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,458 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,460 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,461 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,462 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,463 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:02:53,464 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:02:53,464 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:02:53,467 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,470 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,471 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,473 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,478 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,479 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,481 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,482 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,484 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,485 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:02:53,486 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,487 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,490 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,490 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:02:53,495 INFO L639 QuantifierPusher]: Distributing 9 conjuncts over 2 disjuncts [2020-12-09 08:02:53,495 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,497 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 08:02:53,497 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,501 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 08:02:53,502 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,502 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,504 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:02:53,505 INFO L639 QuantifierPusher]: Distributing 9 conjuncts over 2 disjuncts [2020-12-09 08:02:53,506 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,507 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,508 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,510 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,513 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,515 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,516 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,518 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,519 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,520 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,521 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,524 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,528 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,530 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,532 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,533 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,534 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,536 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,537 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,540 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,541 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,541 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,542 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,545 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,546 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:02:53,546 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,547 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,549 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:02:53,550 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,550 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,554 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,554 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,555 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:02:53,555 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,556 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,558 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,560 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,561 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,562 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:02:53,563 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,564 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,568 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 08:02:53,568 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 08:02:53,569 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:02:53,569 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:02:53,571 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,576 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,576 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,578 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,581 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:02:53,582 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:02:53,584 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 08:02:53,585 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:02:53,587 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 08:02:53,588 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:02:53,590 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:02:53,592 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:02:53,593 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,595 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:02:53,597 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:02:53,599 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,600 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,601 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,601 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,602 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,604 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,604 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:02:53,604 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,605 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,606 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:02:53,606 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,607 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,622 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,625 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:02:53,626 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,629 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:02:53,632 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,633 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,634 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,635 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,637 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,638 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,640 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,643 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,647 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,649 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,652 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,653 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,654 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,656 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 08:02:53,657 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,659 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,660 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,662 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,663 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,665 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,666 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:02:53,666 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,668 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:02:53,670 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,670 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:02:53,674 INFO L639 QuantifierPusher]: Distributing 9 conjuncts over 2 disjuncts [2020-12-09 08:02:53,674 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,676 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 08:02:53,677 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,680 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 08:02:53,681 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:02:53,682 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,683 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,686 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,687 INFO L639 QuantifierPusher]: Distributing 9 conjuncts over 2 disjuncts [2020-12-09 08:02:53,688 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,690 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:02:53,690 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:02:53,694 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 12, 3, 9, 3, 6, 3, 4, 3, 2, 3, 1] term [2020-12-09 08:02:53,694 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 08:02:53,697 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 6, 3, 4, 3, 2, 3, 1] term [2020-12-09 08:02:53,697 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 08:02:53,697 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2020-12-09 08:02:53,698 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,698 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 4, 3, 2, 3, 1] term [2020-12-09 08:02:53,698 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:02:53,699 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 1] term [2020-12-09 08:02:53,699 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:02:53,700 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 3, 2, 3, 1] term [2020-12-09 08:02:53,700 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:02:53,701 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 9, 3, 6, 3, 4, 3, 2, 3, 1] term [2020-12-09 08:02:53,701 INFO L639 QuantifierPusher]: Distributing 9 conjuncts over 3 disjuncts [2020-12-09 08:02:53,701 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 6, 3, 4, 3, 2, 3, 1] term [2020-12-09 08:02:53,702 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 08:02:53,753 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 08:02:53,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:02:53,932 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1666 DAG size of output: 821 [2020-12-09 08:02:53,940 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 08:02:53,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [47436635] [2020-12-09 08:02:53,955 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 08:02:53,955 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 08:02:53,958 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 08:02:53,962 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 08:02:53,962 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 08:02:54,108 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2020-12-09 08:02:55,033 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2020-12-09 08:02:56,194 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1624 DAG size of output: 1536 [2020-12-09 08:09:18,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 08:09:18,133 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: variable got div captured at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.findBestReplacementSbr(DualJunctionDer.java:305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.tryToEliminateSbr(DualJunctionDer.java:319) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:190) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:141) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminate(DualJunctionDer.java:119) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:776) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:739) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:656) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:358) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.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.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.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 08:09:18,144 INFO L168 Benchmark]: Toolchain (without parser) took 392206.29 ms. Allocated memory was 94.4 MB in the beginning and 872.4 MB in the end (delta: 778.0 MB). Free memory was 52.8 MB in the beginning and 586.6 MB in the end (delta: -533.7 MB). Peak memory consumption was 567.2 MB. Max. memory is 16.1 GB. [2020-12-09 08:09:18,146 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 94.4 MB. Free memory was 70.8 MB in the beginning and 70.7 MB in the end (delta: 115.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:09:18,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.69 ms. Allocated memory is still 94.4 MB. Free memory was 74.0 MB in the beginning and 47.4 MB in the end (delta: 26.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-09 08:09:18,151 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.07 ms. Allocated memory is still 94.4 MB. Free memory was 47.4 MB in the beginning and 64.5 MB in the end (delta: -17.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:09:18,154 INFO L168 Benchmark]: Boogie Preprocessor took 52.93 ms. Allocated memory is still 94.4 MB. Free memory was 64.5 MB in the beginning and 59.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 08:09:18,156 INFO L168 Benchmark]: RCFGBuilder took 5870.03 ms. Allocated memory was 94.4 MB in the beginning and 260.0 MB in the end (delta: 165.7 MB). Free memory was 59.5 MB in the beginning and 129.7 MB in the end (delta: -70.2 MB). Peak memory consumption was 158.8 MB. Max. memory is 16.1 GB. [2020-12-09 08:09:18,158 INFO L168 Benchmark]: TraceAbstraction took 385876.50 ms. Allocated memory was 260.0 MB in the beginning and 872.4 MB in the end (delta: 612.4 MB). Free memory was 128.6 MB in the beginning and 586.6 MB in the end (delta: -458.0 MB). Peak memory consumption was 474.2 MB. Max. memory is 16.1 GB. [2020-12-09 08:09:18,168 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 94.4 MB. Free memory was 70.8 MB in the beginning and 70.7 MB in the end (delta: 115.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 320.69 ms. Allocated memory is still 94.4 MB. Free memory was 74.0 MB in the beginning and 47.4 MB in the end (delta: 26.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.07 ms. Allocated memory is still 94.4 MB. Free memory was 47.4 MB in the beginning and 64.5 MB in the end (delta: -17.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.93 ms. Allocated memory is still 94.4 MB. Free memory was 64.5 MB in the beginning and 59.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5870.03 ms. Allocated memory was 94.4 MB in the beginning and 260.0 MB in the end (delta: 165.7 MB). Free memory was 59.5 MB in the beginning and 129.7 MB in the end (delta: -70.2 MB). Peak memory consumption was 158.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 385876.50 ms. Allocated memory was 260.0 MB in the beginning and 872.4 MB in the end (delta: 612.4 MB). Free memory was 128.6 MB in the beginning and 586.6 MB in the end (delta: -458.0 MB). Peak memory consumption was 474.2 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 08:09:19,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:09:19,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:09:19,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:09:19,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:09:19,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:09:19,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:09:19,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:09:19,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:09:19,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:09:19,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:09:19,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:09:19,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:09:19,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:09:19,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:09:19,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:09:19,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:09:19,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:09:19,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:09:19,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:09:19,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:09:19,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:09:19,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:09:19,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:09:19,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:09:19,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:09:19,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:09:19,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:09:19,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:09:19,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:09:19,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:09:19,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:09:19,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:09:19,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:09:19,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:09:19,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:09:19,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:09:19,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:09:19,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:09:19,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:09:19,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:09:19,759 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 08:09:19,783 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:09:19,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:09:19,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:09:19,784 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:09:19,784 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:09:19,784 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:09:19,784 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:09:19,784 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:09:19,785 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:09:19,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:09:19,785 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:09:19,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:09:19,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:09:19,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:09:19,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:09:19,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:09:19,786 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:09:19,786 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 08:09:19,786 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 08:09:19,786 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:09:19,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:09:19,787 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:09:19,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:09:19,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:09:19,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 08:09:19,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:09:19,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:09:19,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:09:19,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:09:19,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:09:19,788 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 08:09:19,788 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 08:09:19,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:09:19,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:09:19,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:09:19,789 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_1e5961ee-ae9c-4349-81cc-db440382e84e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a44969557820fe98b70b9dc788f34c237275d3 [2020-12-09 08:09:20,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:09:20,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:09:20,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:09:20,042 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:09:20,043 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:09:20,043 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c [2020-12-09 08:09:20,084 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/data/9b33bb3a5/a230f1e83673478aabe14f65b7a8db40/FLAGa564276f6 [2020-12-09 08:09:20,539 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:09:20,539 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/sv-benchmarks/c/eca-rers2012/Problem10_label34.c [2020-12-09 08:09:20,551 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/data/9b33bb3a5/a230f1e83673478aabe14f65b7a8db40/FLAGa564276f6 [2020-12-09 08:09:20,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/data/9b33bb3a5/a230f1e83673478aabe14f65b7a8db40 [2020-12-09 08:09:20,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:09:20,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:09:20,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:09:20,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:09:20,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:09:20,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:09:20" (1/1) ... [2020-12-09 08:09:20,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12bece12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:20, skipping insertion in model container [2020-12-09 08:09:20,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:09:20" (1/1) ... [2020-12-09 08:09:20,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:09:20,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:09:20,764 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_1e5961ee-ae9c-4349-81cc-db440382e84e/sv-benchmarks/c/eca-rers2012/Problem10_label34.c[7166,7179] [2020-12-09 08:09:20,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:09:20,874 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:09:20,908 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_1e5961ee-ae9c-4349-81cc-db440382e84e/sv-benchmarks/c/eca-rers2012/Problem10_label34.c[7166,7179] [2020-12-09 08:09:20,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:09:20,990 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:09:20,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:20 WrapperNode [2020-12-09 08:09:20,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:09:20,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:09:20,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:09:20,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:09:20,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:20" (1/1) ... [2020-12-09 08:09:21,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:20" (1/1) ... [2020-12-09 08:09:21,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:09:21,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:09:21,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:09:21,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:09:21,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:20" (1/1) ... [2020-12-09 08:09:21,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:20" (1/1) ... [2020-12-09 08:09:21,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:20" (1/1) ... [2020-12-09 08:09:21,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:20" (1/1) ... [2020-12-09 08:09:21,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:20" (1/1) ... [2020-12-09 08:09:21,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:20" (1/1) ... [2020-12-09 08:09:21,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:20" (1/1) ... [2020-12-09 08:09:21,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:09:21,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:09:21,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:09:21,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:09:21,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/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 08:09:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 08:09:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:09:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:09:21,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:09:23,206 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:09:23,206 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 08:09:23,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:09:23 BoogieIcfgContainer [2020-12-09 08:09:23,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:09:23,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:09:23,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:09:23,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:09:23,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:09:20" (1/3) ... [2020-12-09 08:09:23,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41956eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:09:23, skipping insertion in model container [2020-12-09 08:09:23,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:09:20" (2/3) ... [2020-12-09 08:09:23,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41956eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:09:23, skipping insertion in model container [2020-12-09 08:09:23,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:09:23" (3/3) ... [2020-12-09 08:09:23,215 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label34.c [2020-12-09 08:09:23,227 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:09:23,229 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 08:09:23,236 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 08:09:23,254 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:09:23,254 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:09:23,254 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:09:23,255 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:09:23,255 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:09:23,255 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:09:23,255 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:09:23,255 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:09:23,266 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-09 08:09:23,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-09 08:09:23,274 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:09:23,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:09:23,275 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:09:23,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:09:23,280 INFO L82 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2020-12-09 08:09:23,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:09:23,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510138918] [2020-12-09 08:09:23,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/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 08:09:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:09:23,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:09:23,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:09:23,485 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 08:09:23,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:09:23,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510138918] [2020-12-09 08:09:23,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:09:23,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:09:23,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332256288] [2020-12-09 08:09:23,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:09:23,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:09:23,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:09:23,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:09:23,506 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-12-09 08:09:26,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:09:26,274 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2020-12-09 08:09:26,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:09:26,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-12-09 08:09:26,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:09:26,285 INFO L225 Difference]: With dead ends: 552 [2020-12-09 08:09:26,285 INFO L226 Difference]: Without dead ends: 282 [2020-12-09 08:09:26,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 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 08:09:26,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-09 08:09:26,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-12-09 08:09:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-09 08:09:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2020-12-09 08:09:26,327 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 63 [2020-12-09 08:09:26,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:09:26,328 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2020-12-09 08:09:26,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:09:26,328 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2020-12-09 08:09:26,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-09 08:09:26,332 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:09:26,332 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 08:09:26,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 08:09:26,535 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:09:26,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:09:26,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1562755460, now seen corresponding path program 1 times [2020-12-09 08:09:26,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:09:26,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956780350] [2020-12-09 08:09:26,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/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 08:09:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:09:26,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:09:26,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:09:26,756 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:09:26,756 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:09:26,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [956780350] [2020-12-09 08:09:26,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:09:26,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:09:26,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661739266] [2020-12-09 08:09:26,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:09:26,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:09:26,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:09:26,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:09:26,759 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2020-12-09 08:09:29,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:09:29,314 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2020-12-09 08:09:29,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:09:29,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-12-09 08:09:29,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:09:29,318 INFO L225 Difference]: With dead ends: 701 [2020-12-09 08:09:29,318 INFO L226 Difference]: Without dead ends: 421 [2020-12-09 08:09:29,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 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 08:09:29,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-12-09 08:09:29,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-12-09 08:09:29,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-09 08:09:29,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2020-12-09 08:09:29,336 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 129 [2020-12-09 08:09:29,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:09:29,337 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2020-12-09 08:09:29,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:09:29,337 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2020-12-09 08:09:29,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-09 08:09:29,339 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:09:29,339 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 08:09:29,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 08:09:29,541 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:09:29,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:09:29,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1045343629, now seen corresponding path program 1 times [2020-12-09 08:09:29,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:09:29,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528107358] [2020-12-09 08:09:29,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/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 08:09:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:09:29,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 08:09:29,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:09:29,850 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:09:29,850 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:09:29,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [528107358] [2020-12-09 08:09:29,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:09:29,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:09:29,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707595165] [2020-12-09 08:09:29,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:09:29,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:09:29,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:09:29,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:09:29,853 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand 3 states. [2020-12-09 08:09:31,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:09:31,775 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2020-12-09 08:09:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:09:31,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-12-09 08:09:31,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:09:31,778 INFO L225 Difference]: With dead ends: 979 [2020-12-09 08:09:31,778 INFO L226 Difference]: Without dead ends: 560 [2020-12-09 08:09:31,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 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 08:09:31,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-09 08:09:31,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-12-09 08:09:31,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-09 08:09:31,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2020-12-09 08:09:31,792 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 136 [2020-12-09 08:09:31,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:09:31,792 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2020-12-09 08:09:31,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:09:31,792 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2020-12-09 08:09:31,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-09 08:09:31,794 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:09:31,794 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 08:09:31,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 08:09:31,996 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:09:31,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:09:31,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1197108312, now seen corresponding path program 1 times [2020-12-09 08:09:32,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:09:32,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875380336] [2020-12-09 08:09:32,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 08:09:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:09:32,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 08:09:32,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:09:32,251 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:09:32,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:09:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 18 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:09:32,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875380336] [2020-12-09 08:09:32,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1414331973] [2020-12-09 08:09:32,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:09:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:09:32,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 08:09:32,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:09:32,985 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:09:32,985 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:09:32,986 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:09:32,995 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:09:32,995 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:09:32,999 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:09:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:09:33,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:09:33,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:09:33,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4] total 11 [2020-12-09 08:09:33,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301818166] [2020-12-09 08:09:33,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 08:09:33,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:09:33,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 08:09:33,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-12-09 08:09:33,083 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 7 states. [2020-12-09 08:09:36,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:09:36,614 INFO L93 Difference]: Finished difference Result 1173 states and 1469 transitions. [2020-12-09 08:09:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 08:09:36,615 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-12-09 08:09:36,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:09:36,617 INFO L225 Difference]: With dead ends: 1173 [2020-12-09 08:09:36,617 INFO L226 Difference]: Without dead ends: 560 [2020-12-09 08:09:36,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 402 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-12-09 08:09:36,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-09 08:09:36,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-12-09 08:09:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-09 08:09:36,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 672 transitions. [2020-12-09 08:09:36,627 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 672 transitions. Word has length 138 [2020-12-09 08:09:36,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:09:36,627 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 672 transitions. [2020-12-09 08:09:36,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 08:09:36,627 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 672 transitions. [2020-12-09 08:09:36,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-12-09 08:09:36,629 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:09:36,629 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 08:09:37,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3,6 cvc4 --incremental --print-success --lang smt [2020-12-09 08:09:37,032 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:09:37,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:09:37,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1693346688, now seen corresponding path program 1 times [2020-12-09 08:09:37,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:09:37,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823141305] [2020-12-09 08:09:37,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-09 08:09:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:09:37,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:09:37,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:09:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:09:37,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:09:37,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823141305] [2020-12-09 08:09:37,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:09:37,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:09:37,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388889828] [2020-12-09 08:09:37,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:09:37,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:09:37,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:09:37,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:09:37,232 INFO L87 Difference]: Start difference. First operand 560 states and 672 transitions. Second operand 3 states. [2020-12-09 08:09:39,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:09:39,712 INFO L93 Difference]: Finished difference Result 1396 states and 1715 transitions. [2020-12-09 08:09:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:09:39,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-12-09 08:09:39,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:09:39,717 INFO L225 Difference]: With dead ends: 1396 [2020-12-09 08:09:39,717 INFO L226 Difference]: Without dead ends: 977 [2020-12-09 08:09:39,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 152 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 08:09:39,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-12-09 08:09:39,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 838. [2020-12-09 08:09:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-12-09 08:09:39,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1003 transitions. [2020-12-09 08:09:39,730 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1003 transitions. Word has length 154 [2020-12-09 08:09:39,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:09:39,730 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1003 transitions. [2020-12-09 08:09:39,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:09:39,730 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1003 transitions. [2020-12-09 08:09:39,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-12-09 08:09:39,733 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:09:39,733 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:09:39,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 08:09:39,935 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:09:39,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:09:39,936 INFO L82 PathProgramCache]: Analyzing trace with hash 252709898, now seen corresponding path program 1 times [2020-12-09 08:09:39,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:09:39,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1939651449] [2020-12-09 08:09:39,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/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 08:09:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:09:40,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:09:40,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:09:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-09 08:09:40,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:09:40,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1939651449] [2020-12-09 08:09:40,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:09:40,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:09:40,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771280152] [2020-12-09 08:09:40,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:09:40,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:09:40,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:09:40,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:09:40,194 INFO L87 Difference]: Start difference. First operand 838 states and 1003 transitions. Second operand 3 states. [2020-12-09 08:09:42,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:09:42,614 INFO L93 Difference]: Finished difference Result 1813 states and 2263 transitions. [2020-12-09 08:09:42,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:09:42,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2020-12-09 08:09:42,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:09:42,619 INFO L225 Difference]: With dead ends: 1813 [2020-12-09 08:09:42,619 INFO L226 Difference]: Without dead ends: 1116 [2020-12-09 08:09:42,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 240 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 08:09:42,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-12-09 08:09:42,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-12-09 08:09:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-12-09 08:09:42,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1331 transitions. [2020-12-09 08:09:42,634 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1331 transitions. Word has length 242 [2020-12-09 08:09:42,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:09:42,634 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1331 transitions. [2020-12-09 08:09:42,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:09:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1331 transitions. [2020-12-09 08:09:42,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-12-09 08:09:42,638 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:09:42,638 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:09:42,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 08:09:42,840 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:09:42,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:09:42,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1601492366, now seen corresponding path program 1 times [2020-12-09 08:09:42,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:09:42,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341556109] [2020-12-09 08:09:42,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/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 08:09:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:09:43,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 08:09:43,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:09:43,436 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 90 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:09:43,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:09:44,595 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-09 08:09:45,016 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 90 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:09:45,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341556109] [2020-12-09 08:09:45,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [731328383] [2020-12-09 08:09:45,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:09:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:09:45,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 08:09:45,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:09:45,690 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:09:45,691 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:09:45,691 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:09:45,694 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:09:45,696 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:09:45,699 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:09:45,700 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:09:45,702 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:09:45,907 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-12-09 08:09:45,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:09:45,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:09:45,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4] total 13 [2020-12-09 08:09:45,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990752703] [2020-12-09 08:09:45,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 08:09:45,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:09:45,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 08:09:45,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-12-09 08:09:45,909 INFO L87 Difference]: Start difference. First operand 1116 states and 1331 transitions. Second operand 7 states. [2020-12-09 08:09:49,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:09:49,168 INFO L93 Difference]: Finished difference Result 2255 states and 2756 transitions. [2020-12-09 08:09:49,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 08:09:49,168 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 311 [2020-12-09 08:09:49,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:09:49,172 INFO L225 Difference]: With dead ends: 2255 [2020-12-09 08:09:49,172 INFO L226 Difference]: Without dead ends: 1116 [2020-12-09 08:09:49,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 932 GetRequests, 920 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-12-09 08:09:49,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-12-09 08:09:49,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-12-09 08:09:49,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-12-09 08:09:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1323 transitions. [2020-12-09 08:09:49,188 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1323 transitions. Word has length 311 [2020-12-09 08:09:49,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:09:49,189 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1323 transitions. [2020-12-09 08:09:49,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 08:09:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1323 transitions. [2020-12-09 08:09:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2020-12-09 08:09:49,195 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:09:49,196 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 08:09:49,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt [2020-12-09 08:09:49,598 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:09:49,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:09:49,600 INFO L82 PathProgramCache]: Analyzing trace with hash -554731653, now seen corresponding path program 1 times [2020-12-09 08:09:49,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:09:49,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1713936276] [2020-12-09 08:09:49,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/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 08:09:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:09:49,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 08:09:49,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:09:50,068 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 304 proven. 72 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-12-09 08:09:50,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:09:50,969 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 304 proven. 72 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-12-09 08:09:50,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1713936276] [2020-12-09 08:09:50,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1664367642] [2020-12-09 08:09:50,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/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 08:09:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:09:51,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 08:09:51,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:09:51,685 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:09:51,686 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:09:51,904 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-12-09 08:09:51,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:09:51,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:09:51,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2020-12-09 08:09:51,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764156830] [2020-12-09 08:09:51,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 08:09:51,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:09:51,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 08:09:51,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-12-09 08:09:51,905 INFO L87 Difference]: Start difference. First operand 1116 states and 1323 transitions. Second operand 7 states. [2020-12-09 08:09:56,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:09:56,617 INFO L93 Difference]: Finished difference Result 2426 states and 2903 transitions. [2020-12-09 08:09:56,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 08:09:56,618 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 362 [2020-12-09 08:09:56,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:09:56,619 INFO L225 Difference]: With dead ends: 2426 [2020-12-09 08:09:56,619 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 08:09:56,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1085 GetRequests, 1075 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-12-09 08:09:56,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 08:09:56,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 08:09:56,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 08:09:56,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 08:09:56,621 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 362 [2020-12-09 08:09:56,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:09:56,621 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 08:09:56,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 08:09:56,621 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 08:09:56,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 08:09:57,022 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 08:09:57,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 08:09:57,195 INFO L262 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-09 08:09:57,196 INFO L262 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-09 08:09:57,196 INFO L262 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-09 08:09:57,196 INFO L262 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-09 08:09:57,196 INFO L262 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-09 08:09:57,196 INFO L262 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-09 08:09:57,196 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,196 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,196 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,196 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,196 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,196 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,196 INFO L262 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-09 08:09:57,196 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-09 08:09:57,196 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-09 08:09:57,197 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-09 08:09:57,197 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-09 08:09:57,197 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-09 08:09:57,197 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-09 08:09:57,197 INFO L262 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-09 08:09:57,197 INFO L262 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-09 08:09:57,197 INFO L262 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-09 08:09:57,197 INFO L262 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-09 08:09:57,197 INFO L262 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-09 08:09:57,197 INFO L262 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-09 08:09:57,197 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,197 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,197 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,197 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,197 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,198 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-09 08:09:57,199 INFO L262 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-09 08:09:57,200 INFO L262 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-09 08:09:57,201 INFO L262 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-09 08:09:57,202 INFO L262 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-09 08:09:57,202 INFO L262 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-09 08:09:57,202 INFO L262 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-09 08:09:57,202 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,202 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,202 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,202 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,202 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,202 INFO L262 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-09 08:09:57,202 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 08:09:57,202 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-09 08:09:57,202 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-09 08:09:57,202 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-09 08:09:57,202 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-09 08:09:57,202 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-09 08:09:57,203 INFO L258 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (or (= (_ bv6 32) ~a19~0) (= (_ bv2 32) ~a10~0) (= (_ bv9 32) ~a19~0) (= (_ bv0 32) ~a10~0) (= (_ bv1 32) ~a10~0) (and (= (_ bv4 32) ~a10~0) (= (_ bv8 32) ~a19~0))) [2020-12-09 08:09:57,203 INFO L262 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-09 08:09:57,203 INFO L262 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-09 08:09:57,203 INFO L262 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-09 08:09:57,203 INFO L262 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-09 08:09:57,203 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,203 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,203 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,203 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,203 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,203 INFO L262 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-09 08:09:57,203 INFO L262 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-09 08:09:57,203 INFO L262 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-09 08:09:57,203 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L265 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,204 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-09 08:09:57,205 INFO L262 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-09 08:09:57,206 INFO L262 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-09 08:09:57,206 INFO L262 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-09 08:09:57,206 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 08:09:57,206 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-09 08:09:57,206 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-09 08:09:57,206 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-09 08:09:57,206 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-09 08:09:57,206 INFO L262 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-09 08:09:57,206 INFO L262 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-09 08:09:57,206 INFO L262 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-09 08:09:57,206 INFO L258 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (or (= (_ bv6 32) ~a19~0) (= (_ bv2 32) ~a10~0) (= (_ bv9 32) ~a19~0) (= (_ bv0 32) ~a10~0) (= (_ bv1 32) ~a10~0) (and (= (_ bv4 32) ~a10~0) (= (_ bv8 32) ~a19~0))) [2020-12-09 08:09:57,206 INFO L262 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-09 08:09:57,206 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,206 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,206 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,206 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,207 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-09 08:09:57,207 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,207 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,207 INFO L262 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-09 08:09:57,207 INFO L262 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-09 08:09:57,207 INFO L262 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-09 08:09:57,207 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-09 08:09:57,207 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 08:09:57,207 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-09 08:09:57,207 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-09 08:09:57,207 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-09 08:09:57,207 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-09 08:09:57,207 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 08:09:57,208 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2020-12-09 08:09:57,208 INFO L262 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-09 08:09:57,208 INFO L262 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-09 08:09:57,208 INFO L262 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-09 08:09:57,208 INFO L262 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-09 08:09:57,208 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,208 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,208 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,208 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,208 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,209 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-09 08:09:57,209 INFO L262 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-09 08:09:57,209 INFO L262 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-09 08:09:57,209 INFO L262 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-09 08:09:57,209 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-09 08:09:57,209 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-09 08:09:57,209 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-09 08:09:57,209 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-09 08:09:57,209 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-09 08:09:57,209 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-09 08:09:57,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:09:57 BoogieIcfgContainer [2020-12-09 08:09:57,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 08:09:57,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 08:09:57,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 08:09:57,225 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 08:09:57,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:09:23" (3/4) ... [2020-12-09 08:09:57,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 08:09:57,247 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 08:09:57,249 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 08:09:57,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:09:57,251 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:09:57,341 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1e5961ee-ae9c-4349-81cc-db440382e84e/bin/utaipan/witness.graphml [2020-12-09 08:09:57,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 08:09:57,342 INFO L168 Benchmark]: Toolchain (without parser) took 36774.24 ms. Allocated memory was 56.6 MB in the beginning and 130.0 MB in the end (delta: 73.4 MB). Free memory was 34.4 MB in the beginning and 42.6 MB in the end (delta: -8.1 MB). Peak memory consumption was 65.2 MB. Max. memory is 16.1 GB. [2020-12-09 08:09:57,343 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 39.2 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:09:57,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.53 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 34.2 MB in the beginning and 42.1 MB in the end (delta: -7.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 08:09:57,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.62 ms. Allocated memory is still 71.3 MB. Free memory was 42.1 MB in the beginning and 36.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 08:09:57,344 INFO L168 Benchmark]: Boogie Preprocessor took 48.98 ms. Allocated memory is still 71.3 MB. Free memory was 36.7 MB in the beginning and 48.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-12-09 08:09:57,344 INFO L168 Benchmark]: RCFGBuilder took 2111.21 ms. Allocated memory was 71.3 MB in the beginning and 88.1 MB in the end (delta: 16.8 MB). Free memory was 48.8 MB in the beginning and 50.2 MB in the end (delta: -1.4 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2020-12-09 08:09:57,344 INFO L168 Benchmark]: TraceAbstraction took 34014.07 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 49.6 MB in the beginning and 57.2 MB in the end (delta: -7.6 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. [2020-12-09 08:09:57,344 INFO L168 Benchmark]: Witness Printer took 117.46 ms. Allocated memory is still 130.0 MB. Free memory was 56.2 MB in the beginning and 42.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 08:09:57,346 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 56.6 MB. Free memory was 39.3 MB in the beginning and 39.2 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 421.53 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 34.2 MB in the beginning and 42.1 MB in the end (delta: -7.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.62 ms. Allocated memory is still 71.3 MB. Free memory was 42.1 MB in the beginning and 36.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.98 ms. Allocated memory is still 71.3 MB. Free memory was 36.7 MB in the beginning and 48.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2111.21 ms. Allocated memory was 71.3 MB in the beginning and 88.1 MB in the end (delta: 16.8 MB). Free memory was 48.8 MB in the beginning and 50.2 MB in the end (delta: -1.4 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 34014.07 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 49.6 MB in the beginning and 57.2 MB in the end (delta: -7.6 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. * Witness Printer took 117.46 ms. Allocated memory is still 130.0 MB. Free memory was 56.2 MB in the beginning and 42.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 203]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((6bv32 == a19 || 2bv32 == a10) || 9bv32 == a19) || 0bv32 == a10) || 1bv32 == a10) || (4bv32 == a10 && 8bv32 == a19) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((6bv32 == a19 || 2bv32 == a10) || 9bv32 == a19) || 0bv32 == a10) || 1bv32 == a10) || (4bv32 == a10 && 8bv32 == a19) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33.7s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 23.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1098 SDtfs, 1591 SDslu, 108 SDs, 0 SdLazy, 4948 SolverSat, 651 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3149 GetRequests, 3111 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1116occurred 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 139 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 47 HoareAnnotationTreeSize, 3 FomulaSimplifications, 382 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 98 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 2346 NumberOfCodeBlocks, 2346 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3143 ConstructedInterpolants, 0 QuantifiedInterpolants, 5457374 SizeOfPredicates, 19 NumberOfNonLiveVariables, 2913 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 2024/2552 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...