./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label33.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_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label33.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/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 ab2f82b3a20098c3c150387b3445f37093d89f89 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label33.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/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 ab2f82b3a20098c3c150387b3445f37093d89f89 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:13:23,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:13:23,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:13:23,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:13:23,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:13:23,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:13:23,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:13:23,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:13:23,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:13:23,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:13:23,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:13:23,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:13:23,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:13:23,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:13:23,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:13:23,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:13:23,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:13:23,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:13:23,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:13:23,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:13:23,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:13:23,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:13:23,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:13:23,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:13:23,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:13:23,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:13:23,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:13:23,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:13:23,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:13:23,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:13:23,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:13:23,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:13:23,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:13:23,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:13:23,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:13:23,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:13:23,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:13:23,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:13:23,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:13:23,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:13:23,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:13:23,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 08:13:23,154 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:13:23,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:13:23,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:13:23,155 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:13:23,155 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:13:23,155 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:13:23,156 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 08:13:23,156 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:13:23,156 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:13:23,156 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 08:13:23,156 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 08:13:23,156 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:13:23,157 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 08:13:23,163 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 08:13:23,163 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 08:13:23,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:13:23,164 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:13:23,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 08:13:23,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:13:23,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:13:23,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:13:23,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:13:23,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:13:23,165 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:13:23,166 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:13:23,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:13:23,166 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:13:23,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:13:23,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:13:23,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:13:23,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:13:23,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:13:23,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:13:23,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:13:23,167 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 08:13:23,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 08:13:23,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:13:23,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:13:23,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:13:23,168 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_8d00fceb-357b-4adb-8f29-0f89eb2cc110/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab2f82b3a20098c3c150387b3445f37093d89f89 [2020-12-09 08:13:23,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:13:23,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:13:23,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:13:23,369 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:13:23,370 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:13:23,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2020-12-09 08:13:23,417 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/data/665c6d778/f7a30909604a4f978733e752268ca5e0/FLAG5f23e13f7 [2020-12-09 08:13:23,864 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:13:23,864 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2020-12-09 08:13:23,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/data/665c6d778/f7a30909604a4f978733e752268ca5e0/FLAG5f23e13f7 [2020-12-09 08:13:23,903 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/data/665c6d778/f7a30909604a4f978733e752268ca5e0 [2020-12-09 08:13:23,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:13:23,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:13:23,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:13:23,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:13:23,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:13:23,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:13:23" (1/1) ... [2020-12-09 08:13:23,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774392ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:23, skipping insertion in model container [2020-12-09 08:13:23,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:13:23" (1/1) ... [2020-12-09 08:13:23,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:13:23,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:13:24,077 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_8d00fceb-357b-4adb-8f29-0f89eb2cc110/sv-benchmarks/c/eca-rers2012/Problem14_label33.c[5937,5950] [2020-12-09 08:13:24,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:13:24,208 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:13:24,230 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_8d00fceb-357b-4adb-8f29-0f89eb2cc110/sv-benchmarks/c/eca-rers2012/Problem14_label33.c[5937,5950] [2020-12-09 08:13:24,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:13:24,303 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:13:24,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:24 WrapperNode [2020-12-09 08:13:24,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:13:24,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:13:24,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:13:24,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:13:24,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:24" (1/1) ... [2020-12-09 08:13:24,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:24" (1/1) ... [2020-12-09 08:13:24,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:13:24,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:13:24,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:13:24,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:13:24,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:24" (1/1) ... [2020-12-09 08:13:24,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:24" (1/1) ... [2020-12-09 08:13:24,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:24" (1/1) ... [2020-12-09 08:13:24,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:24" (1/1) ... [2020-12-09 08:13:24,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:24" (1/1) ... [2020-12-09 08:13:24,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:24" (1/1) ... [2020-12-09 08:13:24,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:24" (1/1) ... [2020-12-09 08:13:24,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:13:24,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:13:24,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:13:24,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:13:24,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/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 08:13:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 08:13:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:13:24,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:13:24,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:13:35,219 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:13:35,220 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 08:13:35,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:13:35 BoogieIcfgContainer [2020-12-09 08:13:35,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:13:35,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:13:35,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:13:35,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:13:35,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:13:23" (1/3) ... [2020-12-09 08:13:35,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d44273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:13:35, skipping insertion in model container [2020-12-09 08:13:35,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:24" (2/3) ... [2020-12-09 08:13:35,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d44273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:13:35, skipping insertion in model container [2020-12-09 08:13:35,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:13:35" (3/3) ... [2020-12-09 08:13:35,227 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label33.c [2020-12-09 08:13:35,237 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:13:35,240 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 08:13:35,247 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 08:13:35,265 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:13:35,265 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:13:35,265 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:13:35,266 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:13:35,266 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:13:35,266 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:13:35,266 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:13:35,266 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:13:35,274 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 08:13:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 08:13:35,278 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:13:35,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 08:13:35,278 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:13:35,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:13:35,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1037752655, now seen corresponding path program 1 times [2020-12-09 08:13:35,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:13:35,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669299672] [2020-12-09 08:13:35,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:13:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:13:35,441 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 08:13:35,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669299672] [2020-12-09 08:13:35,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:13:35,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:13:35,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64335837] [2020-12-09 08:13:35,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:13:35,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 08:13:35,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:13:35,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:13:35,460 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-12-09 08:13:35,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:13:35,528 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2020-12-09 08:13:35,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:13:35,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 08:13:35,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:13:35,537 INFO L225 Difference]: With dead ends: 23 [2020-12-09 08:13:35,537 INFO L226 Difference]: Without dead ends: 11 [2020-12-09 08:13:35,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:13:35,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-09 08:13:35,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-12-09 08:13:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-09 08:13:35,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-09 08:13:35,564 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2020-12-09 08:13:35,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:13:35,564 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-12-09 08:13:35,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:13:35,564 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-09 08:13:35,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 08:13:35,564 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:13:35,565 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-12-09 08:13:35,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 08:13:35,565 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:13:35,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:13:35,566 INFO L82 PathProgramCache]: Analyzing trace with hash -102719753, now seen corresponding path program 1 times [2020-12-09 08:13:35,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:13:35,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119320435] [2020-12-09 08:13:35,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:13:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:13:35,923 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 08:13:35,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119320435] [2020-12-09 08:13:35,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073346287] [2020-12-09 08:13:35,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/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 08:13:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:13:35,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 08:13:36,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:13:36,240 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1339 DAG size of output: 83 [2020-12-09 08:13:36,295 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:13:36,297 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,299 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,300 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:13:36,301 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,303 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,304 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:13:36,307 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,308 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:13:36,314 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,315 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,317 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:13:36,320 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,321 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,327 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,329 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,330 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,331 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,332 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,334 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,338 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:13:36,340 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,343 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,344 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,345 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:13:36,349 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,351 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,356 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,358 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:13:36,360 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:13:36,361 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,362 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,362 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,364 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:13:36,367 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,370 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,373 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:13:36,376 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,377 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,381 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,386 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:13:36,387 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 08:13:36,389 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:13:36,391 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,395 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:13:36,400 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:13:36,403 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,404 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,407 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,412 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,413 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,413 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,414 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,415 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,416 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,417 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,417 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,418 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,419 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:13:36,423 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,425 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,428 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,429 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:13:36,430 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,434 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,435 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,441 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,442 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:13:36,443 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:13:36,445 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:13:36,445 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:13:36,446 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,450 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 08:13:36,452 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:13:36,454 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,455 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,456 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,459 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:13:36,460 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,466 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:13:36,466 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 08:13:36,467 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 08:13:36,468 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:13:36,469 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,470 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,471 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,473 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:13:36,475 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,477 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 08:13:36,478 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:13:36,479 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:13:36,481 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,484 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 08:13:36,484 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 08:13:36,485 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:13:36,487 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:13:36,489 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:13:36,492 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 08:13:36,493 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 08:13:36,494 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 08:13:36,496 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:13:36,503 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 14, 4, 11, 4, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 08:13:36,504 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 08:13:36,505 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 08:13:36,505 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 08:13:36,506 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 08:13:36,506 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 08:13:36,507 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 08:13:36,507 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:13:36,508 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-09 08:13:36,508 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,509 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 2, 4, 1] term [2020-12-09 08:13:36,509 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:13:36,510 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 5, 4, 2, 4, 1] term [2020-12-09 08:13:36,510 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:13:36,511 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 08:13:36,511 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 08:13:36,512 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 08:13:36,512 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:13:36,513 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 08:13:36,513 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,516 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 08:13:36,517 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:13:36,517 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,518 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,519 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,521 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,523 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,524 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:13:36,525 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,527 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,529 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,529 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,532 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:13:36,533 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,535 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,539 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,540 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,542 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:13:36,542 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,544 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,546 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:13:36,547 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,547 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,550 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:13:36,550 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,552 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,555 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,556 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 08:13:36,556 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,557 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,558 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,560 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,562 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 08:13:36,563 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,563 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,565 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:13:36,566 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,567 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,568 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,570 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,573 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 08:13:36,574 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,574 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,576 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:13:36,577 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,577 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,580 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,582 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,585 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,586 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,586 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,589 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 08:13:36,590 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:13:36,590 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,591 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,593 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:13:36,593 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,595 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,597 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 08:13:36,598 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,600 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:13:36,600 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,601 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,602 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,604 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,605 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:13:36,606 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,608 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,609 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,610 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,612 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:13:36,613 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,614 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,617 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,617 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,619 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:13:36,620 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,621 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,624 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,625 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,626 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 08:13:36,627 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,627 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,629 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:13:36,629 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,630 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,631 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,633 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,635 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,636 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,636 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,641 INFO L639 QuantifierPusher]: Distributing 18 conjuncts over 2 disjuncts [2020-12-09 08:13:36,641 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 08:13:36,642 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,643 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,644 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:13:36,646 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 08:13:36,647 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,648 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,650 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:13:36,650 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,653 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,653 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,656 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,657 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,660 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 08:13:36,661 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 08:13:36,662 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,663 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,665 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:13:36,667 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 08:13:36,668 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,669 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,671 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:13:36,672 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,674 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,674 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,677 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,678 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,681 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,683 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,685 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 08:13:36,685 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,687 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:13:36,689 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,691 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:13:36,691 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,693 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,694 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,697 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:13:36,697 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,700 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,702 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:13:36,702 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,704 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:13:36,705 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,706 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,708 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,710 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,710 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,713 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,715 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,715 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,717 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,719 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:13:36,719 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,721 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:13:36,724 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,724 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,727 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 08:13:36,729 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:13:36,729 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,732 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,734 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,735 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,738 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 3 disjuncts [2020-12-09 08:13:36,738 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 08:13:36,740 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,740 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,743 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,744 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 08:13:36,745 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,746 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,748 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:13:36,748 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,751 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,751 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,754 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,755 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,757 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,758 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,759 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,762 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 08:13:36,763 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,764 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,765 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,768 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,770 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,771 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 08:13:36,772 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,774 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:13:36,775 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,778 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:13:36,778 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,780 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,781 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,784 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:13:36,784 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,787 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,789 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:13:36,790 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,792 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:13:36,793 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,795 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,798 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,800 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,801 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,803 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,805 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,805 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,807 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,809 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 08:13:36,809 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,811 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:13:36,813 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:13:36,814 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,815 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:13:36,818 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,819 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,822 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:13:36,823 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,824 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:13:36,827 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,828 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,830 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 08:13:36,831 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:13:36,832 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,835 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:13:36,837 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,838 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,840 INFO L639 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-12-09 08:13:36,841 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,843 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:13:36,843 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,845 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,846 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,848 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,849 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,850 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,851 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,853 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 08:13:36,853 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,854 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,855 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,857 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,858 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,860 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,861 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,862 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,864 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,865 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,867 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,869 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,870 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,871 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,873 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,874 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:13:36,875 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,876 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,878 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 08:13:36,879 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,880 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:13:36,880 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,882 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,883 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,886 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,887 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:13:36,887 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:13:36,902 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 08:13:36,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:13:37,289 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 2658 DAG size of output: 2498 [2020-12-09 08:13:37,309 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 08:13:37,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [967464757] [2020-12-09 08:13:37,324 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 08:13:37,324 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 08:13:37,328 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 08:13:37,332 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 08:13:37,332 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 08:13:37,448 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 53 [2020-12-09 08:13:38,900 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 53 [2020-12-09 08:13:40,770 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 2469 DAG size of output: 2328 [2020-12-09 08:13:56,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 08:13:56,753 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: variable got div captured at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.findBestReplacementSbr(DualJunctionDer.java:305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.tryToEliminateSbr(DualJunctionDer.java:319) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:190) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:141) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminate(DualJunctionDer.java:119) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:776) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:739) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:656) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:358) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.doit(QuantifierPusher.java:523) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:378) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.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 08:13:56,762 INFO L168 Benchmark]: Toolchain (without parser) took 32854.25 ms. Allocated memory was 109.1 MB in the beginning and 989.9 MB in the end (delta: 880.8 MB). Free memory was 87.3 MB in the beginning and 245.5 MB in the end (delta: -158.2 MB). Peak memory consumption was 848.5 MB. Max. memory is 16.1 GB. [2020-12-09 08:13:56,763 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 73.4 MB. Free memory was 44.9 MB in the beginning and 44.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:13:56,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.50 ms. Allocated memory is still 109.1 MB. Free memory was 87.3 MB in the beginning and 55.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-12-09 08:13:56,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.69 ms. Allocated memory is still 109.1 MB. Free memory was 54.9 MB in the beginning and 76.4 MB in the end (delta: -21.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2020-12-09 08:13:56,764 INFO L168 Benchmark]: Boogie Preprocessor took 57.66 ms. Allocated memory is still 109.1 MB. Free memory was 76.4 MB in the beginning and 69.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 08:13:56,765 INFO L168 Benchmark]: RCFGBuilder took 10784.30 ms. Allocated memory was 109.1 MB in the beginning and 335.5 MB in the end (delta: 226.5 MB). Free memory was 69.8 MB in the beginning and 172.9 MB in the end (delta: -103.2 MB). Peak memory consumption was 241.3 MB. Max. memory is 16.1 GB. [2020-12-09 08:13:56,766 INFO L168 Benchmark]: TraceAbstraction took 21537.01 ms. Allocated memory was 335.5 MB in the beginning and 989.9 MB in the end (delta: 654.3 MB). Free memory was 171.9 MB in the beginning and 245.5 MB in the end (delta: -73.7 MB). Peak memory consumption was 707.5 MB. Max. memory is 16.1 GB. [2020-12-09 08:13:56,768 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 73.4 MB. Free memory was 44.9 MB in the beginning and 44.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 397.50 ms. Allocated memory is still 109.1 MB. Free memory was 87.3 MB in the beginning and 55.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.69 ms. Allocated memory is still 109.1 MB. Free memory was 54.9 MB in the beginning and 76.4 MB in the end (delta: -21.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.66 ms. Allocated memory is still 109.1 MB. Free memory was 76.4 MB in the beginning and 69.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10784.30 ms. Allocated memory was 109.1 MB in the beginning and 335.5 MB in the end (delta: 226.5 MB). Free memory was 69.8 MB in the beginning and 172.9 MB in the end (delta: -103.2 MB). Peak memory consumption was 241.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21537.01 ms. Allocated memory was 335.5 MB in the beginning and 989.9 MB in the end (delta: 654.3 MB). Free memory was 171.9 MB in the beginning and 245.5 MB in the end (delta: -73.7 MB). Peak memory consumption was 707.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: variable got div captured de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: variable got div captured: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 08:13:58,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:13:58,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:13:58,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:13:58,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:13:58,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:13:58,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:13:58,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:13:58,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:13:58,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:13:58,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:13:58,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:13:58,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:13:58,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:13:58,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:13:58,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:13:58,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:13:58,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:13:58,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:13:58,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:13:58,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:13:58,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:13:58,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:13:58,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:13:58,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:13:58,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:13:58,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:13:58,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:13:58,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:13:58,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:13:58,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:13:58,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:13:58,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:13:58,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:13:58,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:13:58,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:13:58,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:13:58,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:13:58,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:13:58,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:13:58,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:13:58,392 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 08:13:58,416 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:13:58,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:13:58,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:13:58,418 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:13:58,418 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:13:58,418 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:13:58,418 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:13:58,418 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:13:58,419 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:13:58,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:13:58,420 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:13:58,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:13:58,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:13:58,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:13:58,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:13:58,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:13:58,421 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:13:58,421 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 08:13:58,421 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 08:13:58,421 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:13:58,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:13:58,421 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:13:58,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:13:58,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:13:58,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 08:13:58,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:13:58,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:13:58,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:13:58,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:13:58,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:13:58,423 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 08:13:58,423 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 08:13:58,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:13:58,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:13:58,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:13:58,423 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_8d00fceb-357b-4adb-8f29-0f89eb2cc110/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab2f82b3a20098c3c150387b3445f37093d89f89 [2020-12-09 08:13:58,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:13:58,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:13:58,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:13:58,679 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:13:58,679 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:13:58,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2020-12-09 08:13:58,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/data/72b1b63d3/4665955d844e4b11b6ce80ec51941f8b/FLAGd8838004f [2020-12-09 08:13:59,184 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:13:59,184 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2020-12-09 08:13:59,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/data/72b1b63d3/4665955d844e4b11b6ce80ec51941f8b/FLAGd8838004f [2020-12-09 08:13:59,205 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/data/72b1b63d3/4665955d844e4b11b6ce80ec51941f8b [2020-12-09 08:13:59,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:13:59,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:13:59,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:13:59,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:13:59,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:13:59,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:13:59" (1/1) ... [2020-12-09 08:13:59,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58348d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:59, skipping insertion in model container [2020-12-09 08:13:59,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:13:59" (1/1) ... [2020-12-09 08:13:59,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:13:59,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:13:59,414 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_8d00fceb-357b-4adb-8f29-0f89eb2cc110/sv-benchmarks/c/eca-rers2012/Problem14_label33.c[5937,5950] [2020-12-09 08:13:59,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:13:59,599 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:13:59,625 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_8d00fceb-357b-4adb-8f29-0f89eb2cc110/sv-benchmarks/c/eca-rers2012/Problem14_label33.c[5937,5950] [2020-12-09 08:13:59,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:13:59,736 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:13:59,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:59 WrapperNode [2020-12-09 08:13:59,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:13:59,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:13:59,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:13:59,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:13:59,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:59" (1/1) ... [2020-12-09 08:13:59,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:59" (1/1) ... [2020-12-09 08:13:59,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:13:59,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:13:59,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:13:59,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:13:59,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:59" (1/1) ... [2020-12-09 08:13:59,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:59" (1/1) ... [2020-12-09 08:13:59,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:59" (1/1) ... [2020-12-09 08:13:59,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:59" (1/1) ... [2020-12-09 08:13:59,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:59" (1/1) ... [2020-12-09 08:13:59,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:59" (1/1) ... [2020-12-09 08:13:59,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:59" (1/1) ... [2020-12-09 08:13:59,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:13:59,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:13:59,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:13:59,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:13:59,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/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 08:13:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 08:13:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:13:59,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:13:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:14:02,340 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:14:02,340 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 08:14:02,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:14:02 BoogieIcfgContainer [2020-12-09 08:14:02,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:14:02,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:14:02,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:14:02,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:14:02,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:13:59" (1/3) ... [2020-12-09 08:14:02,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9fe03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:14:02, skipping insertion in model container [2020-12-09 08:14:02,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:13:59" (2/3) ... [2020-12-09 08:14:02,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9fe03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:14:02, skipping insertion in model container [2020-12-09 08:14:02,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:14:02" (3/3) ... [2020-12-09 08:14:02,347 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label33.c [2020-12-09 08:14:02,356 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:14:02,359 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 08:14:02,365 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 08:14:02,383 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:14:02,383 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:14:02,383 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:14:02,383 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:14:02,383 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:14:02,383 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:14:02,383 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:14:02,383 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:14:02,395 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-12-09 08:14:02,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-09 08:14:02,400 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:14:02,401 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] [2020-12-09 08:14:02,401 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:14:02,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:14:02,405 INFO L82 PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times [2020-12-09 08:14:02,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:14:02,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458190889] [2020-12-09 08:14:02,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/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 08:14:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:14:02,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:14:02,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:14:02,609 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 08:14:02,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:14:02,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458190889] [2020-12-09 08:14:02,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:14:02,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:14:02,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713985570] [2020-12-09 08:14:02,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:14:02,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:14:02,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:14:02,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:14:02,624 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2020-12-09 08:14:05,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:14:05,697 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions. [2020-12-09 08:14:05,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:14:05,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-09 08:14:05,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:14:05,708 INFO L225 Difference]: With dead ends: 669 [2020-12-09 08:14:05,708 INFO L226 Difference]: Without dead ends: 360 [2020-12-09 08:14:05,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 08:14:05,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-12-09 08:14:05,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-12-09 08:14:05,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-12-09 08:14:05,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 534 transitions. [2020-12-09 08:14:05,753 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 534 transitions. Word has length 58 [2020-12-09 08:14:05,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:14:05,753 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 534 transitions. [2020-12-09 08:14:05,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:14:05,753 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 534 transitions. [2020-12-09 08:14:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-09 08:14:05,757 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:14:05,757 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:14:05,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 08:14:05,960 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:14:05,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:14:05,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1923351856, now seen corresponding path program 1 times [2020-12-09 08:14:05,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:14:05,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310562566] [2020-12-09 08:14:05,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/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 08:14:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:14:06,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:14:06,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:14:06,187 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:14:06,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:14:06,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310562566] [2020-12-09 08:14:06,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:14:06,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:14:06,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616655584] [2020-12-09 08:14:06,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:14:06,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:14:06,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:14:06,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:14:06,190 INFO L87 Difference]: Start difference. First operand 360 states and 534 transitions. Second operand 3 states. [2020-12-09 08:14:09,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:14:09,275 INFO L93 Difference]: Finished difference Result 1074 states and 1597 transitions. [2020-12-09 08:14:09,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:14:09,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-12-09 08:14:09,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:14:09,279 INFO L225 Difference]: With dead ends: 1074 [2020-12-09 08:14:09,279 INFO L226 Difference]: Without dead ends: 716 [2020-12-09 08:14:09,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 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 08:14:09,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-12-09 08:14:09,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-12-09 08:14:09,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-12-09 08:14:09,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 944 transitions. [2020-12-09 08:14:09,304 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 944 transitions. Word has length 123 [2020-12-09 08:14:09,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:14:09,305 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 944 transitions. [2020-12-09 08:14:09,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:14:09,305 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 944 transitions. [2020-12-09 08:14:09,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-09 08:14:09,307 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:14:09,307 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:14:09,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 08:14:09,509 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:14:09,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:14:09,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1389405862, now seen corresponding path program 1 times [2020-12-09 08:14:09,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:14:09,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80607331] [2020-12-09 08:14:09,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/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 08:14:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:14:09,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 08:14:09,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:14:09,774 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:14:09,774 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:14:09,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80607331] [2020-12-09 08:14:09,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:14:09,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:14:09,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429542118] [2020-12-09 08:14:09,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:14:09,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:14:09,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:14:09,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:14:09,776 INFO L87 Difference]: Start difference. First operand 716 states and 944 transitions. Second operand 3 states. [2020-12-09 08:14:11,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:14:11,936 INFO L93 Difference]: Finished difference Result 1252 states and 1672 transitions. [2020-12-09 08:14:11,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:14:11,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-12-09 08:14:11,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:14:11,940 INFO L225 Difference]: With dead ends: 1252 [2020-12-09 08:14:11,941 INFO L226 Difference]: Without dead ends: 894 [2020-12-09 08:14:11,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 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 08:14:11,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-12-09 08:14:11,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-12-09 08:14:11,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-12-09 08:14:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1134 transitions. [2020-12-09 08:14:11,955 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1134 transitions. Word has length 127 [2020-12-09 08:14:11,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:14:11,956 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1134 transitions. [2020-12-09 08:14:11,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:14:11,956 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1134 transitions. [2020-12-09 08:14:11,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-12-09 08:14:11,958 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:14:11,959 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, 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] [2020-12-09 08:14:12,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 08:14:12,161 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:14:12,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:14:12,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1355453434, now seen corresponding path program 1 times [2020-12-09 08:14:12,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:14:12,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [228033182] [2020-12-09 08:14:12,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/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 08:14:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:14:12,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 08:14:12,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:14:12,445 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-09 08:14:12,446 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:14:12,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [228033182] [2020-12-09 08:14:12,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:14:12,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:14:12,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653829986] [2020-12-09 08:14:12,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 08:14:12,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:14:12,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 08:14:12,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 08:14:12,448 INFO L87 Difference]: Start difference. First operand 894 states and 1134 transitions. Second operand 4 states. [2020-12-09 08:14:14,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:14:14,777 INFO L93 Difference]: Finished difference Result 1281 states and 1695 transitions. [2020-12-09 08:14:14,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 08:14:14,778 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 207 [2020-12-09 08:14:14,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:14:14,781 INFO L225 Difference]: With dead ends: 1281 [2020-12-09 08:14:14,781 INFO L226 Difference]: Without dead ends: 538 [2020-12-09 08:14:14,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 08:14:14,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-12-09 08:14:14,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2020-12-09 08:14:14,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-12-09 08:14:14,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 714 transitions. [2020-12-09 08:14:14,789 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 714 transitions. Word has length 207 [2020-12-09 08:14:14,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:14:14,790 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 714 transitions. [2020-12-09 08:14:14,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 08:14:14,790 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 714 transitions. [2020-12-09 08:14:14,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-12-09 08:14:14,792 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:14:14,792 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:14:14,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 08:14:14,993 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:14:14,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:14:14,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1820952574, now seen corresponding path program 1 times [2020-12-09 08:14:14,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:14:14,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166763454] [2020-12-09 08:14:14,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 08:14:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:14:15,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:14:15,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:14:15,251 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-12-09 08:14:15,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:14:15,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166763454] [2020-12-09 08:14:15,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:14:15,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:14:15,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992432056] [2020-12-09 08:14:15,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:14:15,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:14:15,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:14:15,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:14:15,253 INFO L87 Difference]: Start difference. First operand 538 states and 714 transitions. Second operand 3 states. [2020-12-09 08:14:18,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:14:18,447 INFO L93 Difference]: Finished difference Result 1430 states and 1957 transitions. [2020-12-09 08:14:18,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:14:18,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2020-12-09 08:14:18,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:14:18,452 INFO L225 Difference]: With dead ends: 1430 [2020-12-09 08:14:18,452 INFO L226 Difference]: Without dead ends: 1072 [2020-12-09 08:14:18,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 226 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 08:14:18,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-12-09 08:14:18,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-12-09 08:14:18,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-12-09 08:14:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1321 transitions. [2020-12-09 08:14:18,467 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1321 transitions. Word has length 228 [2020-12-09 08:14:18,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:14:18,467 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1321 transitions. [2020-12-09 08:14:18,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:14:18,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1321 transitions. [2020-12-09 08:14:18,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-12-09 08:14:18,471 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:14:18,471 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:14:18,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 08:14:18,672 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:14:18,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:14:18,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1669559147, now seen corresponding path program 1 times [2020-12-09 08:14:18,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:14:18,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012770642] [2020-12-09 08:14:18,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/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 08:14:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:14:18,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 08:14:18,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:14:19,152 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 167 proven. 135 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 08:14:19,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:14:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 302 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 08:14:19,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012770642] [2020-12-09 08:14:19,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 08:14:19,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 08:14:19,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106840293] [2020-12-09 08:14:19,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:14:19,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:14:19,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:14:19,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 08:14:19,974 INFO L87 Difference]: Start difference. First operand 1072 states and 1321 transitions. Second operand 3 states. [2020-12-09 08:14:26,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:14:26,153 INFO L93 Difference]: Finished difference Result 2142 states and 2812 transitions. [2020-12-09 08:14:26,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:14:26,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2020-12-09 08:14:26,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:14:26,159 INFO L225 Difference]: With dead ends: 2142 [2020-12-09 08:14:26,159 INFO L226 Difference]: Without dead ends: 1428 [2020-12-09 08:14:26,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 668 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 08:14:26,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2020-12-09 08:14:26,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2020-12-09 08:14:26,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2020-12-09 08:14:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1767 transitions. [2020-12-09 08:14:26,179 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1767 transitions. Word has length 337 [2020-12-09 08:14:26,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:14:26,179 INFO L481 AbstractCegarLoop]: Abstraction has 1428 states and 1767 transitions. [2020-12-09 08:14:26,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:14:26,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1767 transitions. [2020-12-09 08:14:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2020-12-09 08:14:26,185 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:14:26,185 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:14:26,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 08:14:26,385 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:14:26,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:14:26,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1654788344, now seen corresponding path program 1 times [2020-12-09 08:14:26,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:14:26,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43194423] [2020-12-09 08:14:26,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/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 08:14:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:14:26,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 08:14:26,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:14:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 444 proven. 159 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2020-12-09 08:14:26,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:14:27,818 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2020-12-09 08:14:27,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43194423] [2020-12-09 08:14:27,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 08:14:27,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 08:14:27,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950363829] [2020-12-09 08:14:27,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:14:27,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:14:27,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:14:27,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 08:14:27,821 INFO L87 Difference]: Start difference. First operand 1428 states and 1767 transitions. Second operand 3 states. [2020-12-09 08:14:33,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:14:33,869 INFO L93 Difference]: Finished difference Result 3210 states and 4150 transitions. [2020-12-09 08:14:33,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:14:33,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 448 [2020-12-09 08:14:33,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:14:33,878 INFO L225 Difference]: With dead ends: 3210 [2020-12-09 08:14:33,878 INFO L226 Difference]: Without dead ends: 2140 [2020-12-09 08:14:33,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 894 GetRequests, 890 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 08:14:33,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-12-09 08:14:33,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2020-12-09 08:14:33,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-09 08:14:33,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2666 transitions. [2020-12-09 08:14:33,908 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2666 transitions. Word has length 448 [2020-12-09 08:14:33,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:14:33,909 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2666 transitions. [2020-12-09 08:14:33,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:14:33,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2666 transitions. [2020-12-09 08:14:33,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2020-12-09 08:14:33,912 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:14:33,912 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:14:34,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 08:14:34,114 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:14:34,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:14:34,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1113063216, now seen corresponding path program 1 times [2020-12-09 08:14:34,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:14:34,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710476490] [2020-12-09 08:14:34,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/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 08:14:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:14:34,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 08:14:34,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:14:34,861 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 403 proven. 277 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-12-09 08:14:34,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:14:36,387 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 651 proven. 29 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-12-09 08:14:36,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710476490] [2020-12-09 08:14:36,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2057427836] [2020-12-09 08:14:36,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/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 08:14:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:14:36,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 08:14:36,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:14:37,036 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:14:37,037 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:14:37,037 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:14:37,041 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:14:37,044 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:14:37,045 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:14:37,047 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:14:37,049 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:14:37,051 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:14:37,300 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 460 proven. 50 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2020-12-09 08:14:37,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:14:37,539 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 08:14:37,540 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 08:14:37,872 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 486 proven. 24 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2020-12-09 08:14:37,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667211686] [2020-12-09 08:14:37,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 08:14:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:14:38,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 08:14:38,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:14:38,574 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 372 proven. 144 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 08:14:38,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:14:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 372 proven. 144 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 08:14:39,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 08:14:39,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 7, 7, 4, 4] total 18 [2020-12-09 08:14:39,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896822208] [2020-12-09 08:14:39,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-09 08:14:39,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:14:39,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-09 08:14:39,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2020-12-09 08:14:39,064 INFO L87 Difference]: Start difference. First operand 2140 states and 2666 transitions. Second operand 18 states. [2020-12-09 08:14:41,044 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-09 08:14:53,536 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2020-12-09 08:14:54,164 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2020-12-09 08:15:11,091 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-09 08:15:14,474 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2020-12-09 08:15:15,494 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 17 [2020-12-09 08:15:40,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:15:40,263 INFO L93 Difference]: Finished difference Result 5961 states and 7552 transitions. [2020-12-09 08:15:40,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-09 08:15:40,266 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 464 [2020-12-09 08:15:40,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:15:40,279 INFO L225 Difference]: With dead ends: 5961 [2020-12-09 08:15:40,279 INFO L226 Difference]: Without dead ends: 3920 [2020-12-09 08:15:40,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2795 GetRequests, 2765 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2020-12-09 08:15:40,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2020-12-09 08:15:40,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3564. [2020-12-09 08:15:40,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2020-12-09 08:15:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 3861 transitions. [2020-12-09 08:15:40,322 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 3861 transitions. Word has length 464 [2020-12-09 08:15:40,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:15:40,322 INFO L481 AbstractCegarLoop]: Abstraction has 3564 states and 3861 transitions. [2020-12-09 08:15:40,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-09 08:15:40,323 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 3861 transitions. [2020-12-09 08:15:40,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2020-12-09 08:15:40,327 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:15:40,327 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 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 08:15:40,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 08:15:40,931 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:15:40,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:15:40,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1882058753, now seen corresponding path program 1 times [2020-12-09 08:15:40,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:15:40,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330883834] [2020-12-09 08:15:40,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-12-09 08:15:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:15:41,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 08:15:41,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:15:43,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 279 proven. 898 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-12-09 08:15:43,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:15:44,779 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 08:15:44,779 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 08:15:47,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 909 proven. 268 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-12-09 08:15:47,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [330883834] [2020-12-09 08:15:47,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [859218947] [2020-12-09 08:15:47,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:15:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:15:48,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 08:15:48,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:15:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked. [2020-12-09 08:15:48,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:15:48,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:15:48,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 10] total 22 [2020-12-09 08:15:48,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316441338] [2020-12-09 08:15:48,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 08:15:48,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:15:48,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 08:15:48,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2020-12-09 08:15:48,902 INFO L87 Difference]: Start difference. First operand 3564 states and 3861 transitions. Second operand 5 states. [2020-12-09 08:15:50,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:15:50,926 INFO L93 Difference]: Finished difference Result 7514 states and 8291 transitions. [2020-12-09 08:15:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 08:15:50,927 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 712 [2020-12-09 08:15:50,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:15:50,942 INFO L225 Difference]: With dead ends: 7514 [2020-12-09 08:15:50,943 INFO L226 Difference]: Without dead ends: 4664 [2020-12-09 08:15:50,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2133 GetRequests, 2094 SyntacticMatches, 19 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2020-12-09 08:15:50,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4664 states. [2020-12-09 08:15:51,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4664 to 4632. [2020-12-09 08:15:51,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2020-12-09 08:15:51,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 4995 transitions. [2020-12-09 08:15:51,017 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 4995 transitions. Word has length 712 [2020-12-09 08:15:51,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:15:51,018 INFO L481 AbstractCegarLoop]: Abstraction has 4632 states and 4995 transitions. [2020-12-09 08:15:51,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 08:15:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 4995 transitions. [2020-12-09 08:15:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 788 [2020-12-09 08:15:51,024 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:15:51,024 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 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 08:15:51,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt,12 mathsat -unsat_core_generation=3 [2020-12-09 08:15:51,427 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:15:51,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:15:51,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1390305774, now seen corresponding path program 1 times [2020-12-09 08:15:51,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:15:51,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037557411] [2020-12-09 08:15:51,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-12-09 08:15:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:15:51,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 08:15:51,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:15:54,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 653 proven. 898 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2020-12-09 08:15:54,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:15:55,447 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-09 08:15:55,689 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 08:15:55,690 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 08:15:58,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 1283 proven. 268 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2020-12-09 08:15:58,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037557411] [2020-12-09 08:15:58,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1141836989] [2020-12-09 08:15:58,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:15:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:15:59,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:15:59,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:15:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 1489 trivial. 0 not checked. [2020-12-09 08:15:59,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:15:59,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:15:59,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10, 10] total 20 [2020-12-09 08:15:59,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684790542] [2020-12-09 08:15:59,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:15:59,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:15:59,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:15:59,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-12-09 08:15:59,994 INFO L87 Difference]: Start difference. First operand 4632 states and 4995 transitions. Second operand 3 states. [2020-12-09 08:16:03,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:16:03,350 INFO L93 Difference]: Finished difference Result 9440 states and 10233 transitions. [2020-12-09 08:16:03,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:16:03,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 787 [2020-12-09 08:16:03,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:16:03,369 INFO L225 Difference]: With dead ends: 9440 [2020-12-09 08:16:03,369 INFO L226 Difference]: Without dead ends: 5522 [2020-12-09 08:16:03,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2358 GetRequests, 2321 SyntacticMatches, 19 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-12-09 08:16:03,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5522 states. [2020-12-09 08:16:03,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5522 to 5522. [2020-12-09 08:16:03,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5522 states. [2020-12-09 08:16:03,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5522 states to 5522 states and 5901 transitions. [2020-12-09 08:16:03,430 INFO L78 Accepts]: Start accepts. Automaton has 5522 states and 5901 transitions. Word has length 787 [2020-12-09 08:16:03,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:16:03,431 INFO L481 AbstractCegarLoop]: Abstraction has 5522 states and 5901 transitions. [2020-12-09 08:16:03,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:16:03,431 INFO L276 IsEmpty]: Start isEmpty. Operand 5522 states and 5901 transitions. [2020-12-09 08:16:03,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2020-12-09 08:16:03,442 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:16:03,442 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 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 08:16:03,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2020-12-09 08:16:03,844 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:16:03,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:16:03,846 INFO L82 PathProgramCache]: Analyzing trace with hash 195631814, now seen corresponding path program 1 times [2020-12-09 08:16:03,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:16:03,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048772679] [2020-12-09 08:16:03,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2020-12-09 08:16:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:16:04,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 08:16:04,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:16:06,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 688 proven. 898 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2020-12-09 08:16:06,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:16:07,968 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 08:16:07,968 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 08:16:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 1318 proven. 268 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2020-12-09 08:16:11,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048772679] [2020-12-09 08:16:11,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2103598449] [2020-12-09 08:16:11,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:16:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:16:11,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 08:16:11,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:16:12,461 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:16:12,461 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:16:12,463 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:16:12,465 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:16:12,467 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:16:12,468 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:16:12,470 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:16:12,472 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:16:12,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-12-09 08:16:12,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:16:12,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:16:12,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10, 10] total 24 [2020-12-09 08:16:12,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561389827] [2020-12-09 08:16:12,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 08:16:12,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:16:12,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 08:16:12,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2020-12-09 08:16:12,920 INFO L87 Difference]: Start difference. First operand 5522 states and 5901 transitions. Second operand 7 states. [2020-12-09 08:16:16,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:16:16,184 INFO L93 Difference]: Finished difference Result 13544 states and 14675 transitions. [2020-12-09 08:16:16,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 08:16:16,190 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 794 [2020-12-09 08:16:16,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:16:16,212 INFO L225 Difference]: With dead ends: 13544 [2020-12-09 08:16:16,212 INFO L226 Difference]: Without dead ends: 6590 [2020-12-09 08:16:16,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2381 GetRequests, 2342 SyntacticMatches, 16 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=143, Invalid=457, Unknown=0, NotChecked=0, Total=600 [2020-12-09 08:16:16,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6590 states. [2020-12-09 08:16:16,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6590 to 5344. [2020-12-09 08:16:16,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5344 states. [2020-12-09 08:16:16,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5644 transitions. [2020-12-09 08:16:16,278 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5644 transitions. Word has length 794 [2020-12-09 08:16:16,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:16:16,278 INFO L481 AbstractCegarLoop]: Abstraction has 5344 states and 5644 transitions. [2020-12-09 08:16:16,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 08:16:16,278 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5644 transitions. [2020-12-09 08:16:16,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2020-12-09 08:16:16,284 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:16:16,285 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 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 08:16:16,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3,17 cvc4 --incremental --print-success --lang smt [2020-12-09 08:16:16,687 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:16:16,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:16:16,689 INFO L82 PathProgramCache]: Analyzing trace with hash -2000356807, now seen corresponding path program 1 times [2020-12-09 08:16:16,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:16:16,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885711269] [2020-12-09 08:16:16,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2020-12-09 08:16:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:16:16,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 08:16:16,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:16:19,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 778 proven. 898 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2020-12-09 08:16:19,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:16:20,887 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 08:16:20,888 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 08:16:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 1408 proven. 268 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2020-12-09 08:16:24,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885711269] [2020-12-09 08:16:24,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [782969067] [2020-12-09 08:16:24,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:16:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:16:24,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 08:16:24,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:16:25,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2020-12-09 08:16:25,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:16:25,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:16:25,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10, 10] total 21 [2020-12-09 08:16:25,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014899351] [2020-12-09 08:16:25,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 08:16:25,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:16:25,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 08:16:25,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2020-12-09 08:16:25,503 INFO L87 Difference]: Start difference. First operand 5344 states and 5644 transitions. Second operand 4 states. [2020-12-09 08:16:28,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:16:28,129 INFO L93 Difference]: Finished difference Result 10884 states and 11562 transitions. [2020-12-09 08:16:28,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 08:16:28,130 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 812 [2020-12-09 08:16:28,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:16:28,130 INFO L225 Difference]: With dead ends: 10884 [2020-12-09 08:16:28,130 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 08:16:28,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2435 GetRequests, 2400 SyntacticMatches, 15 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2020-12-09 08:16:28,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 08:16:28,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 08:16:28,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 08:16:28,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 08:16:28,136 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 812 [2020-12-09 08:16:28,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:16:28,136 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 08:16:28,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 08:16:28,136 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 08:16:28,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 08:16:28,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3,19 cvc4 --incremental --print-success --lang smt [2020-12-09 08:16:28,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 08:16:28,671 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 73 [2020-12-09 08:16:29,241 WARN L197 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 30 [2020-12-09 08:16:29,725 WARN L197 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 30 [2020-12-09 08:16:29,727 INFO L262 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-12-09 08:16:29,727 INFO L262 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-12-09 08:16:29,727 INFO L262 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-12-09 08:16:29,727 INFO L262 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-12-09 08:16:29,727 INFO L262 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-12-09 08:16:29,728 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,728 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,728 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,728 INFO L262 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-12-09 08:16:29,728 INFO L262 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-12-09 08:16:29,728 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-09 08:16:29,728 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-09 08:16:29,728 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-09 08:16:29,728 INFO L262 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-12-09 08:16:29,728 INFO L262 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-12-09 08:16:29,728 INFO L262 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-12-09 08:16:29,728 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,728 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,728 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,729 INFO L262 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-12-09 08:16:29,729 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 08:16:29,729 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-09 08:16:29,729 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-09 08:16:29,729 INFO L262 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-12-09 08:16:29,729 INFO L262 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-12-09 08:16:29,729 INFO L262 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-12-09 08:16:29,729 INFO L262 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-12-09 08:16:29,729 INFO L262 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-12-09 08:16:29,729 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,729 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,729 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,729 INFO L262 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-12-09 08:16:29,729 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-09 08:16:29,730 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-09 08:16:29,730 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-09 08:16:29,730 INFO L262 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-12-09 08:16:29,730 INFO L262 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-12-09 08:16:29,730 INFO L262 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-12-09 08:16:29,730 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,730 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,730 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,730 INFO L262 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-12-09 08:16:29,730 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-09 08:16:29,730 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 08:16:29,730 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-09 08:16:29,730 INFO L262 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-12-09 08:16:29,730 INFO L262 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-12-09 08:16:29,731 INFO L262 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-12-09 08:16:29,731 INFO L262 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-12-09 08:16:29,731 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,731 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,731 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,731 INFO L262 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-12-09 08:16:29,731 INFO L262 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-12-09 08:16:29,731 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-09 08:16:29,731 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-09 08:16:29,731 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-09 08:16:29,731 INFO L262 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-12-09 08:16:29,731 INFO L262 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-12-09 08:16:29,731 INFO L262 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-12-09 08:16:29,731 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,731 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,732 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,732 INFO L262 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-12-09 08:16:29,732 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-09 08:16:29,732 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-09 08:16:29,732 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-09 08:16:29,732 INFO L262 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-12-09 08:16:29,732 INFO L262 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-12-09 08:16:29,732 INFO L262 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-12-09 08:16:29,732 INFO L262 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-12-09 08:16:29,732 INFO L262 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-12-09 08:16:29,732 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,732 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,732 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,732 INFO L262 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-12-09 08:16:29,732 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-09 08:16:29,733 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-09 08:16:29,733 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-09 08:16:29,733 INFO L262 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-12-09 08:16:29,733 INFO L262 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-12-09 08:16:29,733 INFO L262 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-12-09 08:16:29,733 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 08:16:29,733 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,733 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,733 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,733 INFO L262 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-12-09 08:16:29,733 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-09 08:16:29,733 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 08:16:29,733 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-09 08:16:29,733 INFO L262 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-12-09 08:16:29,734 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,735 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,735 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,735 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-09 08:16:29,735 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-09 08:16:29,735 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-09 08:16:29,735 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 08:16:29,735 INFO L262 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-12-09 08:16:29,735 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2020-12-09 08:16:29,735 INFO L262 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-12-09 08:16:29,735 INFO L262 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-12-09 08:16:29,735 INFO L262 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-12-09 08:16:29,735 INFO L262 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-12-09 08:16:29,735 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,735 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,736 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,736 INFO L262 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-12-09 08:16:29,736 INFO L262 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-12-09 08:16:29,736 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-09 08:16:29,736 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-09 08:16:29,736 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-09 08:16:29,736 INFO L262 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-12-09 08:16:29,736 INFO L262 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-12-09 08:16:29,736 INFO L262 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-12-09 08:16:29,736 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,736 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,736 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,736 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-09 08:16:29,736 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-09 08:16:29,736 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-09 08:16:29,737 INFO L262 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-12-09 08:16:29,737 INFO L262 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-12-09 08:16:29,737 INFO L262 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-12-09 08:16:29,737 INFO L262 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-12-09 08:16:29,737 INFO L262 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-12-09 08:16:29,737 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,737 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,737 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,737 INFO L262 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-12-09 08:16:29,737 INFO L262 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-12-09 08:16:29,737 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-09 08:16:29,737 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-09 08:16:29,737 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-09 08:16:29,737 INFO L262 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-12-09 08:16:29,737 INFO L262 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-12-09 08:16:29,738 INFO L262 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-12-09 08:16:29,738 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,738 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,738 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,738 INFO L262 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-12-09 08:16:29,738 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-09 08:16:29,738 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-09 08:16:29,738 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-09 08:16:29,738 INFO L262 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-12-09 08:16:29,738 INFO L262 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-12-09 08:16:29,738 INFO L262 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-12-09 08:16:29,738 INFO L262 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-12-09 08:16:29,738 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,738 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,738 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,739 INFO L262 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-12-09 08:16:29,739 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 08:16:29,739 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-09 08:16:29,739 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-09 08:16:29,739 INFO L262 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-12-09 08:16:29,739 INFO L262 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-12-09 08:16:29,739 INFO L262 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-12-09 08:16:29,739 INFO L262 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-12-09 08:16:29,739 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,739 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,739 INFO L262 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-12-09 08:16:29,739 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 08:16:29,739 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-09 08:16:29,739 INFO L262 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-12-09 08:16:29,739 INFO L262 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-12-09 08:16:29,740 INFO L262 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-12-09 08:16:29,740 INFO L262 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-12-09 08:16:29,740 INFO L262 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-12-09 08:16:29,740 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,740 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,740 INFO L262 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-12-09 08:16:29,740 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 08:16:29,740 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-09 08:16:29,740 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-09 08:16:29,740 INFO L262 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-12-09 08:16:29,740 INFO L262 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-12-09 08:16:29,740 INFO L262 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-12-09 08:16:29,740 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,740 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,741 INFO L258 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~a24~0)) (.cse1 (= (_ bv5 32) ~a15~0))) (or (and .cse0 (not (= (_ bv10 32) ~a21~0))) (and .cse0 .cse1) (and .cse0 (bvslt (_ bv80 32) ~a12~0)) (and .cse0 (not (bvslt (_ bv11 32) ~a12~0))) (and .cse0 (= (_ bv7 32) ~a15~0)) (and .cse1 (not (bvslt (_ bv4294967253 32) ~a12~0)) (= (_ bv6 32) ~a21~0)))) [2020-12-09 08:16:29,741 INFO L262 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-12-09 08:16:29,741 INFO L262 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-12-09 08:16:29,741 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 08:16:29,741 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-09 08:16:29,741 INFO L262 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-12-09 08:16:29,741 INFO L262 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-12-09 08:16:29,741 INFO L262 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-12-09 08:16:29,741 INFO L262 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-12-09 08:16:29,741 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,741 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,741 INFO L265 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-12-09 08:16:29,742 INFO L262 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-12-09 08:16:29,743 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,743 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,743 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-09 08:16:29,743 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,743 INFO L262 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-12-09 08:16:29,743 INFO L258 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~a24~0)) (.cse1 (= (_ bv5 32) ~a15~0))) (or (and .cse0 (not (= (_ bv10 32) ~a21~0))) (and .cse0 .cse1) (and .cse0 (bvslt (_ bv80 32) ~a12~0)) (and .cse0 (not (bvslt (_ bv11 32) ~a12~0))) (and .cse0 (= (_ bv7 32) ~a15~0)) (and .cse1 (not (bvslt (_ bv4294967253 32) ~a12~0)) (= (_ bv6 32) ~a21~0)))) [2020-12-09 08:16:29,743 INFO L262 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-12-09 08:16:29,743 INFO L262 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-12-09 08:16:29,743 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 08:16:29,743 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-09 08:16:29,743 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-09 08:16:29,743 INFO L262 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-12-09 08:16:29,743 INFO L262 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-12-09 08:16:29,744 INFO L262 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-12-09 08:16:29,744 INFO L262 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-12-09 08:16:29,744 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,744 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,744 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:16:29,744 INFO L262 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-12-09 08:16:29,744 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-09 08:16:29,744 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-09 08:16:29,744 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-09 08:16:29,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:16:29 BoogieIcfgContainer [2020-12-09 08:16:29,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 08:16:29,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 08:16:29,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 08:16:29,759 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 08:16:29,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:14:02" (3/4) ... [2020-12-09 08:16:29,762 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 08:16:29,783 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 08:16:29,785 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 08:16:29,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:16:29,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:16:29,880 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8d00fceb-357b-4adb-8f29-0f89eb2cc110/bin/utaipan/witness.graphml [2020-12-09 08:16:29,880 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 08:16:29,881 INFO L168 Benchmark]: Toolchain (without parser) took 150672.70 ms. Allocated memory was 52.4 MB in the beginning and 343.9 MB in the end (delta: 291.5 MB). Free memory was 28.3 MB in the beginning and 262.6 MB in the end (delta: -234.3 MB). Peak memory consumption was 256.5 MB. Max. memory is 16.1 GB. [2020-12-09 08:16:29,881 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 52.4 MB. Free memory was 34.9 MB in the beginning and 34.8 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:16:29,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.92 ms. Allocated memory was 52.4 MB in the beginning and 104.9 MB in the end (delta: 52.4 MB). Free memory was 28.2 MB in the beginning and 64.9 MB in the end (delta: -36.7 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2020-12-09 08:16:29,881 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.96 ms. Allocated memory is still 104.9 MB. Free memory was 64.7 MB in the beginning and 58.6 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 08:16:29,882 INFO L168 Benchmark]: Boogie Preprocessor took 67.81 ms. Allocated memory is still 104.9 MB. Free memory was 58.6 MB in the beginning and 82.4 MB in the end (delta: -23.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-12-09 08:16:29,882 INFO L168 Benchmark]: RCFGBuilder took 2452.13 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 82.4 MB in the beginning and 68.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 51.4 MB. Max. memory is 16.1 GB. [2020-12-09 08:16:29,882 INFO L168 Benchmark]: TraceAbstraction took 147416.13 ms. Allocated memory was 125.8 MB in the beginning and 343.9 MB in the end (delta: 218.1 MB). Free memory was 68.7 MB in the beginning and 80.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 206.0 MB. Max. memory is 16.1 GB. [2020-12-09 08:16:29,882 INFO L168 Benchmark]: Witness Printer took 121.04 ms. Allocated memory is still 343.9 MB. Free memory was 80.8 MB in the beginning and 262.6 MB in the end (delta: -181.8 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-12-09 08:16:29,884 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 52.4 MB. Free memory was 34.9 MB in the beginning and 34.8 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 527.92 ms. Allocated memory was 52.4 MB in the beginning and 104.9 MB in the end (delta: 52.4 MB). Free memory was 28.2 MB in the beginning and 64.9 MB in the end (delta: -36.7 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.96 ms. Allocated memory is still 104.9 MB. Free memory was 64.7 MB in the beginning and 58.6 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.81 ms. Allocated memory is still 104.9 MB. Free memory was 58.6 MB in the beginning and 82.4 MB in the end (delta: -23.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2452.13 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 82.4 MB in the beginning and 68.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 51.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 147416.13 ms. Allocated memory was 125.8 MB in the beginning and 343.9 MB in the end (delta: 218.1 MB). Free memory was 68.7 MB in the beginning and 80.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 206.0 MB. Max. memory is 16.1 GB. * Witness Printer took 121.04 ms. Allocated memory is still 343.9 MB. Free memory was 80.8 MB in the beginning and 262.6 MB in the end (delta: -181.8 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 188]: 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: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((1bv32 == a24 && !(10bv32 == a21)) || (1bv32 == a24 && 5bv32 == a15)) || (1bv32 == a24 && ~bvslt32(80bv32, a12))) || (1bv32 == a24 && !~bvslt32(11bv32, a12))) || (1bv32 == a24 && 7bv32 == a15)) || ((5bv32 == a15 && !~bvslt32(4294967253bv32, a12)) && 6bv32 == a21) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((1bv32 == a24 && !(10bv32 == a21)) || (1bv32 == a24 && 5bv32 == a15)) || (1bv32 == a24 && ~bvslt32(80bv32, a12))) || (1bv32 == a24 && !~bvslt32(11bv32, a12))) || (1bv32 == a24 && 7bv32 == a15)) || ((5bv32 == a15 && !~bvslt32(4294967253bv32, a12)) && 6bv32 == a21) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 146.1s, OverallIterations: 12, TraceHistogramMax: 7, AutomataDifference: 98.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1325 SDtfs, 4325 SDslu, 171 SDs, 0 SdLazy, 11199 SolverSat, 1827 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 86.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14406 GetRequests, 14212 SyntacticMatches, 74 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 12.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5522occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1634 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 123 NumberOfFragments, 99 HoareAnnotationTreeSize, 3 FomulaSimplifications, 5260 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 992 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 39.3s InterpolantComputationTime, 9130 NumberOfCodeBlocks, 9130 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 14385 ConstructedInterpolants, 0 QuantifiedInterpolants, 118073098 SizeOfPredicates, 63 NumberOfNonLiveVariables, 10440 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 27 InterpolantComputations, 11 PerfectInterpolantSequences, 23120/28746 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...