./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label57.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label57.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b3ff5d79b7436b9866ad9b80b9e60df1f87bc40 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:44:30,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:44:30,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:44:30,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:44:30,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:44:30,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:44:30,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:44:30,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:44:30,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:44:30,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:44:30,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:44:30,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:44:30,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:44:30,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:44:30,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:44:30,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:44:30,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:44:30,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:44:30,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:44:30,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:44:30,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:44:30,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:44:30,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:44:30,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:44:30,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:44:30,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:44:30,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:44:30,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:44:30,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:44:30,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:44:30,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:44:30,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:44:30,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:44:30,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:44:30,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:44:30,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:44:30,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:44:30,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:44:30,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:44:30,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:44:30,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:44:30,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:44:30,243 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:44:30,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:44:30,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:44:30,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:44:30,245 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:44:30,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:44:30,246 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:44:30,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:44:30,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:44:30,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:44:30,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:44:30,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:44:30,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:44:30,247 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:44:30,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:44:30,247 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:44:30,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:44:30,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:44:30,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:44:30,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:44:30,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:44:30,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:44:30,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:44:30,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:44:30,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:44:30,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:44:30,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:44:30,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:44:30,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:44:30,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b3ff5d79b7436b9866ad9b80b9e60df1f87bc40 [2020-11-30 00:44:30,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:44:30,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:44:30,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:44:30,557 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:44:30,558 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:44:30,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label57.c [2020-11-30 00:44:30,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/data/eb56ef112/15c59facd8694835a28ad72af842e704/FLAG4230e79c3 [2020-11-30 00:44:31,399 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:44:31,400 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/sv-benchmarks/c/eca-rers2012/Problem03_label57.c [2020-11-30 00:44:31,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/data/eb56ef112/15c59facd8694835a28ad72af842e704/FLAG4230e79c3 [2020-11-30 00:44:31,635 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/data/eb56ef112/15c59facd8694835a28ad72af842e704 [2020-11-30 00:44:31,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:44:31,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:44:31,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:44:31,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:44:31,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:44:31,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:44:31" (1/1) ... [2020-11-30 00:44:31,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e28f9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:31, skipping insertion in model container [2020-11-30 00:44:31,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:44:31" (1/1) ... [2020-11-30 00:44:31,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:44:31,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:44:32,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:44:32,561 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:44:32,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:44:32,919 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:44:32,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:32 WrapperNode [2020-11-30 00:44:32,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:44:32,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:44:32,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:44:32,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:44:32,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:32" (1/1) ... [2020-11-30 00:44:32,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:32" (1/1) ... [2020-11-30 00:44:33,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:44:33,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:44:33,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:44:33,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:44:33,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:32" (1/1) ... [2020-11-30 00:44:33,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:32" (1/1) ... [2020-11-30 00:44:33,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:32" (1/1) ... [2020-11-30 00:44:33,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:32" (1/1) ... [2020-11-30 00:44:33,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:32" (1/1) ... [2020-11-30 00:44:33,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:32" (1/1) ... [2020-11-30 00:44:33,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:32" (1/1) ... [2020-11-30 00:44:33,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:44:33,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:44:33,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:44:33,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:44:33,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/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 [2020-11-30 00:44:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:44:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:44:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:44:33,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:44:35,726 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:44:35,726 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:44:35,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:44:35 BoogieIcfgContainer [2020-11-30 00:44:35,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:44:35,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:44:35,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:44:35,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:44:35,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:44:31" (1/3) ... [2020-11-30 00:44:35,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38964ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:44:35, skipping insertion in model container [2020-11-30 00:44:35,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:32" (2/3) ... [2020-11-30 00:44:35,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38964ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:44:35, skipping insertion in model container [2020-11-30 00:44:35,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:44:35" (3/3) ... [2020-11-30 00:44:35,740 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label57.c [2020-11-30 00:44:35,750 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:44:35,755 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:44:35,766 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:44:35,807 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:44:35,807 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:44:35,807 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:44:35,807 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:44:35,807 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:44:35,808 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:44:35,808 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:44:35,808 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:44:35,835 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-11-30 00:44:35,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-11-30 00:44:35,853 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:44:35,854 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:44:35,854 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:44:35,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:44:35,860 INFO L82 PathProgramCache]: Analyzing trace with hash -10226053, now seen corresponding path program 1 times [2020-11-30 00:44:35,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:44:35,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707896109] [2020-11-30 00:44:35,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:44:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:36,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:44:36,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707896109] [2020-11-30 00:44:36,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:44:36,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:44:36,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279457741] [2020-11-30 00:44:36,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:44:36,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:44:36,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:44:36,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:44:36,527 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-11-30 00:44:38,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:44:38,114 INFO L93 Difference]: Finished difference Result 865 states and 1515 transitions. [2020-11-30 00:44:38,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:44:38,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-11-30 00:44:38,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:44:38,141 INFO L225 Difference]: With dead ends: 865 [2020-11-30 00:44:38,147 INFO L226 Difference]: Without dead ends: 468 [2020-11-30 00:44:38,152 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 [2020-11-30 00:44:38,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2020-11-30 00:44:38,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 454. [2020-11-30 00:44:38,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2020-11-30 00:44:38,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 737 transitions. [2020-11-30 00:44:38,236 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 737 transitions. Word has length 161 [2020-11-30 00:44:38,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:44:38,237 INFO L481 AbstractCegarLoop]: Abstraction has 454 states and 737 transitions. [2020-11-30 00:44:38,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:44:38,237 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 737 transitions. [2020-11-30 00:44:38,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-30 00:44:38,242 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:44:38,242 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:44:38,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:44:38,248 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:44:38,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:44:38,248 INFO L82 PathProgramCache]: Analyzing trace with hash 417032041, now seen corresponding path program 1 times [2020-11-30 00:44:38,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:44:38,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39893106] [2020-11-30 00:44:38,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:44:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:44:38,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39893106] [2020-11-30 00:44:38,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:44:38,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:44:38,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6714613] [2020-11-30 00:44:38,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:44:38,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:44:38,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:44:38,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:44:38,389 INFO L87 Difference]: Start difference. First operand 454 states and 737 transitions. Second operand 3 states. [2020-11-30 00:44:39,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:44:39,292 INFO L93 Difference]: Finished difference Result 1330 states and 2169 transitions. [2020-11-30 00:44:39,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:44:39,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-11-30 00:44:39,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:44:39,298 INFO L225 Difference]: With dead ends: 1330 [2020-11-30 00:44:39,298 INFO L226 Difference]: Without dead ends: 878 [2020-11-30 00:44:39,301 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 [2020-11-30 00:44:39,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2020-11-30 00:44:39,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 874. [2020-11-30 00:44:39,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2020-11-30 00:44:39,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1329 transitions. [2020-11-30 00:44:39,343 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1329 transitions. Word has length 166 [2020-11-30 00:44:39,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:44:39,343 INFO L481 AbstractCegarLoop]: Abstraction has 874 states and 1329 transitions. [2020-11-30 00:44:39,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:44:39,343 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1329 transitions. [2020-11-30 00:44:39,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-30 00:44:39,355 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:44:39,355 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:44:39,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:44:39,356 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:44:39,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:44:39,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1905708934, now seen corresponding path program 1 times [2020-11-30 00:44:39,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:44:39,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383203710] [2020-11-30 00:44:39,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:44:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:39,471 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:44:39,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383203710] [2020-11-30 00:44:39,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:44:39,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:44:39,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955880544] [2020-11-30 00:44:39,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:44:39,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:44:39,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:44:39,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:44:39,474 INFO L87 Difference]: Start difference. First operand 874 states and 1329 transitions. Second operand 3 states. [2020-11-30 00:44:40,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:44:40,672 INFO L93 Difference]: Finished difference Result 2575 states and 3935 transitions. [2020-11-30 00:44:40,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:44:40,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-11-30 00:44:40,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:44:40,683 INFO L225 Difference]: With dead ends: 2575 [2020-11-30 00:44:40,683 INFO L226 Difference]: Without dead ends: 1703 [2020-11-30 00:44:40,685 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 [2020-11-30 00:44:40,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1703 states. [2020-11-30 00:44:40,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1703 to 1687. [2020-11-30 00:44:40,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2020-11-30 00:44:40,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2526 transitions. [2020-11-30 00:44:40,740 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2526 transitions. Word has length 169 [2020-11-30 00:44:40,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:44:40,743 INFO L481 AbstractCegarLoop]: Abstraction has 1687 states and 2526 transitions. [2020-11-30 00:44:40,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:44:40,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2526 transitions. [2020-11-30 00:44:40,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-30 00:44:40,754 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:44:40,754 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:44:40,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:44:40,755 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:44:40,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:44:40,757 INFO L82 PathProgramCache]: Analyzing trace with hash -437101750, now seen corresponding path program 1 times [2020-11-30 00:44:40,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:44:40,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712733434] [2020-11-30 00:44:40,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:44:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:44:40,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712733434] [2020-11-30 00:44:40,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:44:40,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:44:40,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706245578] [2020-11-30 00:44:40,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:44:40,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:44:40,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:44:40,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:44:40,885 INFO L87 Difference]: Start difference. First operand 1687 states and 2526 transitions. Second operand 3 states. [2020-11-30 00:44:42,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:44:42,191 INFO L93 Difference]: Finished difference Result 4194 states and 6260 transitions. [2020-11-30 00:44:42,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:44:42,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2020-11-30 00:44:42,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:44:42,216 INFO L225 Difference]: With dead ends: 4194 [2020-11-30 00:44:42,216 INFO L226 Difference]: Without dead ends: 2509 [2020-11-30 00:44:42,219 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 [2020-11-30 00:44:42,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2020-11-30 00:44:42,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2508. [2020-11-30 00:44:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2508 states. [2020-11-30 00:44:42,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2508 states and 3674 transitions. [2020-11-30 00:44:42,285 INFO L78 Accepts]: Start accepts. Automaton has 2508 states and 3674 transitions. Word has length 178 [2020-11-30 00:44:42,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:44:42,285 INFO L481 AbstractCegarLoop]: Abstraction has 2508 states and 3674 transitions. [2020-11-30 00:44:42,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:44:42,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 3674 transitions. [2020-11-30 00:44:42,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-30 00:44:42,291 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:44:42,292 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:44:42,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:44:42,292 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:44:42,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:44:42,293 INFO L82 PathProgramCache]: Analyzing trace with hash -497295636, now seen corresponding path program 1 times [2020-11-30 00:44:42,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:44:42,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405739612] [2020-11-30 00:44:42,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:44:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:42,438 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:44:42,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405739612] [2020-11-30 00:44:42,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:44:42,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:44:42,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164441878] [2020-11-30 00:44:42,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:44:42,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:44:42,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:44:42,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:44:42,440 INFO L87 Difference]: Start difference. First operand 2508 states and 3674 transitions. Second operand 3 states. [2020-11-30 00:44:43,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:44:43,682 INFO L93 Difference]: Finished difference Result 7450 states and 10924 transitions. [2020-11-30 00:44:43,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:44:43,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-11-30 00:44:43,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:44:43,709 INFO L225 Difference]: With dead ends: 7450 [2020-11-30 00:44:43,709 INFO L226 Difference]: Without dead ends: 4944 [2020-11-30 00:44:43,714 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 [2020-11-30 00:44:43,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4944 states. [2020-11-30 00:44:43,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4944 to 4944. [2020-11-30 00:44:43,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4944 states. [2020-11-30 00:44:43,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4944 states to 4944 states and 6406 transitions. [2020-11-30 00:44:43,866 INFO L78 Accepts]: Start accepts. Automaton has 4944 states and 6406 transitions. Word has length 180 [2020-11-30 00:44:43,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:44:43,866 INFO L481 AbstractCegarLoop]: Abstraction has 4944 states and 6406 transitions. [2020-11-30 00:44:43,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:44:43,866 INFO L276 IsEmpty]: Start isEmpty. Operand 4944 states and 6406 transitions. [2020-11-30 00:44:43,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-11-30 00:44:43,875 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:44:43,875 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:44:43,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:44:43,876 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:44:43,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:44:43,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1914658103, now seen corresponding path program 1 times [2020-11-30 00:44:43,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:44:43,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974110449] [2020-11-30 00:44:43,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:44:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:43,964 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-30 00:44:43,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974110449] [2020-11-30 00:44:43,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:44:43,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:44:43,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865532488] [2020-11-30 00:44:43,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:44:43,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:44:43,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:44:43,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:44:43,969 INFO L87 Difference]: Start difference. First operand 4944 states and 6406 transitions. Second operand 3 states. [2020-11-30 00:44:45,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:44:45,351 INFO L93 Difference]: Finished difference Result 14764 states and 19129 transitions. [2020-11-30 00:44:45,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:44:45,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-11-30 00:44:45,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:44:45,402 INFO L225 Difference]: With dead ends: 14764 [2020-11-30 00:44:45,403 INFO L226 Difference]: Without dead ends: 9822 [2020-11-30 00:44:45,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:44:45,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9822 states. [2020-11-30 00:44:45,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9822 to 9821. [2020-11-30 00:44:45,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9821 states. [2020-11-30 00:44:45,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9821 states to 9821 states and 12064 transitions. [2020-11-30 00:44:45,601 INFO L78 Accepts]: Start accepts. Automaton has 9821 states and 12064 transitions. Word has length 181 [2020-11-30 00:44:45,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:44:45,605 INFO L481 AbstractCegarLoop]: Abstraction has 9821 states and 12064 transitions. [2020-11-30 00:44:45,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:44:45,606 INFO L276 IsEmpty]: Start isEmpty. Operand 9821 states and 12064 transitions. [2020-11-30 00:44:45,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-30 00:44:45,620 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:44:45,620 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:44:45,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:44:45,621 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:44:45,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:44:45,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1023063242, now seen corresponding path program 1 times [2020-11-30 00:44:45,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:44:45,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125245910] [2020-11-30 00:44:45,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:44:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:45,761 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:44:45,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125245910] [2020-11-30 00:44:45,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:44:45,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:44:45,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102922374] [2020-11-30 00:44:45,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:44:45,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:44:45,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:44:45,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:44:45,763 INFO L87 Difference]: Start difference. First operand 9821 states and 12064 transitions. Second operand 3 states. [2020-11-30 00:44:47,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:44:47,118 INFO L93 Difference]: Finished difference Result 24109 states and 30234 transitions. [2020-11-30 00:44:47,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:44:47,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-11-30 00:44:47,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:44:47,185 INFO L225 Difference]: With dead ends: 24109 [2020-11-30 00:44:47,185 INFO L226 Difference]: Without dead ends: 14290 [2020-11-30 00:44:47,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:44:47,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14290 states. [2020-11-30 00:44:47,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14290 to 12866. [2020-11-30 00:44:47,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12866 states. [2020-11-30 00:44:47,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12866 states to 12866 states and 15467 transitions. [2020-11-30 00:44:47,482 INFO L78 Accepts]: Start accepts. Automaton has 12866 states and 15467 transitions. Word has length 189 [2020-11-30 00:44:47,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:44:47,482 INFO L481 AbstractCegarLoop]: Abstraction has 12866 states and 15467 transitions. [2020-11-30 00:44:47,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:44:47,483 INFO L276 IsEmpty]: Start isEmpty. Operand 12866 states and 15467 transitions. [2020-11-30 00:44:47,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-11-30 00:44:47,502 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:44:47,502 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:44:47,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:44:47,503 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:44:47,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:44:47,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1227569672, now seen corresponding path program 1 times [2020-11-30 00:44:47,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:44:47,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191946983] [2020-11-30 00:44:47,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:44:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:47,601 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 00:44:47,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191946983] [2020-11-30 00:44:47,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:44:47,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:44:47,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376189111] [2020-11-30 00:44:47,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:44:47,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:44:47,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:44:47,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:44:47,603 INFO L87 Difference]: Start difference. First operand 12866 states and 15467 transitions. Second operand 3 states. [2020-11-30 00:44:48,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:44:48,938 INFO L93 Difference]: Finished difference Result 37139 states and 44792 transitions. [2020-11-30 00:44:48,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:44:48,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-11-30 00:44:48,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:44:48,996 INFO L225 Difference]: With dead ends: 37139 [2020-11-30 00:44:48,996 INFO L226 Difference]: Without dead ends: 24275 [2020-11-30 00:44:49,012 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 [2020-11-30 00:44:49,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24275 states. [2020-11-30 00:44:49,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24275 to 23660. [2020-11-30 00:44:49,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23660 states. [2020-11-30 00:44:49,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23660 states to 23660 states and 28461 transitions. [2020-11-30 00:44:49,456 INFO L78 Accepts]: Start accepts. Automaton has 23660 states and 28461 transitions. Word has length 210 [2020-11-30 00:44:49,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:44:49,456 INFO L481 AbstractCegarLoop]: Abstraction has 23660 states and 28461 transitions. [2020-11-30 00:44:49,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:44:49,457 INFO L276 IsEmpty]: Start isEmpty. Operand 23660 states and 28461 transitions. [2020-11-30 00:44:49,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-11-30 00:44:49,489 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:44:49,490 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:44:49,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:44:49,490 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:44:49,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:44:49,491 INFO L82 PathProgramCache]: Analyzing trace with hash -978290495, now seen corresponding path program 1 times [2020-11-30 00:44:49,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:44:49,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419875965] [2020-11-30 00:44:49,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:44:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:49,616 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:44:49,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419875965] [2020-11-30 00:44:49,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:44:49,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:44:49,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400636961] [2020-11-30 00:44:49,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:44:49,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:44:49,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:44:49,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:44:49,622 INFO L87 Difference]: Start difference. First operand 23660 states and 28461 transitions. Second operand 3 states. [2020-11-30 00:44:50,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:44:50,723 INFO L93 Difference]: Finished difference Result 45284 states and 54486 transitions. [2020-11-30 00:44:50,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:44:50,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2020-11-30 00:44:50,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:44:50,769 INFO L225 Difference]: With dead ends: 45284 [2020-11-30 00:44:50,769 INFO L226 Difference]: Without dead ends: 21626 [2020-11-30 00:44:50,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:44:50,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21626 states. [2020-11-30 00:44:51,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21626 to 17967. [2020-11-30 00:44:51,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17967 states. [2020-11-30 00:44:51,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17967 states to 17967 states and 21078 transitions. [2020-11-30 00:44:51,122 INFO L78 Accepts]: Start accepts. Automaton has 17967 states and 21078 transitions. Word has length 231 [2020-11-30 00:44:51,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:44:51,123 INFO L481 AbstractCegarLoop]: Abstraction has 17967 states and 21078 transitions. [2020-11-30 00:44:51,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:44:51,123 INFO L276 IsEmpty]: Start isEmpty. Operand 17967 states and 21078 transitions. [2020-11-30 00:44:51,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-11-30 00:44:51,149 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:44:51,149 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:44:51,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:44:51,149 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:44:51,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:44:51,150 INFO L82 PathProgramCache]: Analyzing trace with hash 467927983, now seen corresponding path program 1 times [2020-11-30 00:44:51,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:44:51,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314836783] [2020-11-30 00:44:51,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:44:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:51,364 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 92 proven. 6 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-11-30 00:44:51,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314836783] [2020-11-30 00:44:51,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186052039] [2020-11-30 00:44:51,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/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 [2020-11-30 00:44:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:51,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:44:51,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:44:51,865 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-30 00:44:51,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:44:51,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 00:44:51,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364291896] [2020-11-30 00:44:51,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:44:51,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:44:51,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:44:51,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:44:51,868 INFO L87 Difference]: Start difference. First operand 17967 states and 21078 transitions. Second operand 3 states. [2020-11-30 00:44:53,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:44:53,604 INFO L93 Difference]: Finished difference Result 35937 states and 42162 transitions. [2020-11-30 00:44:53,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:44:53,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2020-11-30 00:44:53,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:44:53,637 INFO L225 Difference]: With dead ends: 35937 [2020-11-30 00:44:53,637 INFO L226 Difference]: Without dead ends: 17972 [2020-11-30 00:44:53,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:44:53,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17972 states. [2020-11-30 00:44:53,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17972 to 17967. [2020-11-30 00:44:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17967 states. [2020-11-30 00:44:53,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17967 states to 17967 states and 20784 transitions. [2020-11-30 00:44:53,990 INFO L78 Accepts]: Start accepts. Automaton has 17967 states and 20784 transitions. Word has length 238 [2020-11-30 00:44:53,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:44:53,990 INFO L481 AbstractCegarLoop]: Abstraction has 17967 states and 20784 transitions. [2020-11-30 00:44:53,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:44:53,991 INFO L276 IsEmpty]: Start isEmpty. Operand 17967 states and 20784 transitions. [2020-11-30 00:44:54,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-11-30 00:44:54,031 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:44:54,031 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:44:54,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-30 00:44:54,250 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:44:54,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:44:54,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1652712408, now seen corresponding path program 1 times [2020-11-30 00:44:54,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:44:54,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135123958] [2020-11-30 00:44:54,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:44:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:54,434 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:44:54,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135123958] [2020-11-30 00:44:54,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:44:54,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:44:54,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722674788] [2020-11-30 00:44:54,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:44:54,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:44:54,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:44:54,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:44:54,436 INFO L87 Difference]: Start difference. First operand 17967 states and 20784 transitions. Second operand 3 states. [2020-11-30 00:44:55,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:44:55,844 INFO L93 Difference]: Finished difference Result 35933 states and 41568 transitions. [2020-11-30 00:44:55,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:44:55,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-11-30 00:44:55,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:44:55,880 INFO L225 Difference]: With dead ends: 35933 [2020-11-30 00:44:55,880 INFO L226 Difference]: Without dead ends: 17968 [2020-11-30 00:44:55,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:44:55,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17968 states. [2020-11-30 00:44:56,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17968 to 15730. [2020-11-30 00:44:56,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15730 states. [2020-11-30 00:44:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15730 states to 15730 states and 17871 transitions. [2020-11-30 00:44:56,135 INFO L78 Accepts]: Start accepts. Automaton has 15730 states and 17871 transitions. Word has length 243 [2020-11-30 00:44:56,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:44:56,136 INFO L481 AbstractCegarLoop]: Abstraction has 15730 states and 17871 transitions. [2020-11-30 00:44:56,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:44:56,136 INFO L276 IsEmpty]: Start isEmpty. Operand 15730 states and 17871 transitions. [2020-11-30 00:44:56,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-11-30 00:44:56,156 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:44:56,156 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:44:56,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:44:56,157 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:44:56,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:44:56,158 INFO L82 PathProgramCache]: Analyzing trace with hash 335071277, now seen corresponding path program 1 times [2020-11-30 00:44:56,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:44:56,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910461254] [2020-11-30 00:44:56,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:44:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:56,468 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 104 proven. 6 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-11-30 00:44:56,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910461254] [2020-11-30 00:44:56,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784657523] [2020-11-30 00:44:56,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:44:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:56,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:44:56,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:44:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-11-30 00:44:56,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:44:56,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 00:44:56,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598002831] [2020-11-30 00:44:56,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:44:56,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:44:56,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:44:56,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:44:56,810 INFO L87 Difference]: Start difference. First operand 15730 states and 17871 transitions. Second operand 3 states. [2020-11-30 00:44:57,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:44:57,571 INFO L93 Difference]: Finished difference Result 46747 states and 53100 transitions. [2020-11-30 00:44:57,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:44:57,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 250 [2020-11-30 00:44:57,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:44:57,624 INFO L225 Difference]: With dead ends: 46747 [2020-11-30 00:44:57,624 INFO L226 Difference]: Without dead ends: 31019 [2020-11-30 00:44:57,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:44:57,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31019 states. [2020-11-30 00:44:58,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31019 to 30814. [2020-11-30 00:44:58,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30814 states. [2020-11-30 00:44:58,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30814 states to 30814 states and 34512 transitions. [2020-11-30 00:44:58,283 INFO L78 Accepts]: Start accepts. Automaton has 30814 states and 34512 transitions. Word has length 250 [2020-11-30 00:44:58,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:44:58,283 INFO L481 AbstractCegarLoop]: Abstraction has 30814 states and 34512 transitions. [2020-11-30 00:44:58,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:44:58,283 INFO L276 IsEmpty]: Start isEmpty. Operand 30814 states and 34512 transitions. [2020-11-30 00:44:58,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-11-30 00:44:58,300 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:44:58,300 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:44:58,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-30 00:44:58,526 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:44:58,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:44:58,527 INFO L82 PathProgramCache]: Analyzing trace with hash 58825121, now seen corresponding path program 1 times [2020-11-30 00:44:58,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:44:58,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310989657] [2020-11-30 00:44:58,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:44:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:58,838 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-11-30 00:44:58,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310989657] [2020-11-30 00:44:58,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125703633] [2020-11-30 00:44:58,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:44:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:44:59,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:44:59,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:44:59,132 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-30 00:44:59,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:44:59,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 00:44:59,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131935090] [2020-11-30 00:44:59,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:44:59,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:44:59,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:44:59,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:44:59,140 INFO L87 Difference]: Start difference. First operand 30814 states and 34512 transitions. Second operand 3 states. [2020-11-30 00:44:59,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:44:59,872 INFO L93 Difference]: Finished difference Result 88513 states and 99146 transitions. [2020-11-30 00:44:59,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:44:59,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2020-11-30 00:44:59,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:44:59,943 INFO L225 Difference]: With dead ends: 88513 [2020-11-30 00:44:59,944 INFO L226 Difference]: Without dead ends: 57701 [2020-11-30 00:44:59,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:45:00,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57701 states. [2020-11-30 00:45:00,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57701 to 57697. [2020-11-30 00:45:00,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57697 states. [2020-11-30 00:45:01,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57697 states to 57697 states and 63966 transitions. [2020-11-30 00:45:01,035 INFO L78 Accepts]: Start accepts. Automaton has 57697 states and 63966 transitions. Word has length 256 [2020-11-30 00:45:01,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:45:01,036 INFO L481 AbstractCegarLoop]: Abstraction has 57697 states and 63966 transitions. [2020-11-30 00:45:01,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:45:01,036 INFO L276 IsEmpty]: Start isEmpty. Operand 57697 states and 63966 transitions. [2020-11-30 00:45:01,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-11-30 00:45:01,057 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:45:01,057 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:45:01,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-30 00:45:01,274 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:45:01,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:45:01,275 INFO L82 PathProgramCache]: Analyzing trace with hash 28677702, now seen corresponding path program 1 times [2020-11-30 00:45:01,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:45:01,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957106423] [2020-11-30 00:45:01,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:45:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:45:01,591 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-30 00:45:01,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957106423] [2020-11-30 00:45:01,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147473225] [2020-11-30 00:45:01,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:45:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:45:01,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:45:01,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:45:01,946 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-11-30 00:45:01,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:45:01,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 00:45:01,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729673058] [2020-11-30 00:45:01,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:45:01,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:45:01,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:45:01,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:45:01,949 INFO L87 Difference]: Start difference. First operand 57697 states and 63966 transitions. Second operand 3 states. [2020-11-30 00:45:03,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:45:03,432 INFO L93 Difference]: Finished difference Result 158340 states and 175237 transitions. [2020-11-30 00:45:03,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:45:03,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 257 [2020-11-30 00:45:03,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:45:03,549 INFO L225 Difference]: With dead ends: 158340 [2020-11-30 00:45:03,549 INFO L226 Difference]: Without dead ends: 100645 [2020-11-30 00:45:03,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:45:03,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100645 states. [2020-11-30 00:45:04,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100645 to 94515. [2020-11-30 00:45:04,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94515 states. [2020-11-30 00:45:05,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94515 states to 94515 states and 103275 transitions. [2020-11-30 00:45:05,166 INFO L78 Accepts]: Start accepts. Automaton has 94515 states and 103275 transitions. Word has length 257 [2020-11-30 00:45:05,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:45:05,167 INFO L481 AbstractCegarLoop]: Abstraction has 94515 states and 103275 transitions. [2020-11-30 00:45:05,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:45:05,167 INFO L276 IsEmpty]: Start isEmpty. Operand 94515 states and 103275 transitions. [2020-11-30 00:45:05,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-11-30 00:45:05,218 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:45:05,219 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:45:05,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:45:05,424 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:45:05,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:45:05,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1962893401, now seen corresponding path program 1 times [2020-11-30 00:45:05,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:45:05,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891066780] [2020-11-30 00:45:05,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:45:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:45:05,732 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-11-30 00:45:05,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891066780] [2020-11-30 00:45:05,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300879665] [2020-11-30 00:45:05,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:45:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:45:05,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 00:45:05,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:45:06,253 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-30 00:45:06,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:45:06,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 00:45:06,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811057881] [2020-11-30 00:45:06,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:45:06,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:45:06,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:45:06,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:45:06,270 INFO L87 Difference]: Start difference. First operand 94515 states and 103275 transitions. Second operand 3 states. [2020-11-30 00:45:08,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:45:08,117 INFO L93 Difference]: Finished difference Result 173757 states and 189641 transitions. [2020-11-30 00:45:08,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:45:08,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 280 [2020-11-30 00:45:08,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:45:08,206 INFO L225 Difference]: With dead ends: 173757 [2020-11-30 00:45:08,206 INFO L226 Difference]: Without dead ends: 79244 [2020-11-30 00:45:08,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:45:08,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79244 states. [2020-11-30 00:45:09,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79244 to 71096. [2020-11-30 00:45:09,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71096 states. [2020-11-30 00:45:09,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71096 states to 71096 states and 76815 transitions. [2020-11-30 00:45:09,555 INFO L78 Accepts]: Start accepts. Automaton has 71096 states and 76815 transitions. Word has length 280 [2020-11-30 00:45:09,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:45:09,556 INFO L481 AbstractCegarLoop]: Abstraction has 71096 states and 76815 transitions. [2020-11-30 00:45:09,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:45:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 71096 states and 76815 transitions. [2020-11-30 00:45:09,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-11-30 00:45:09,611 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:45:09,612 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:45:09,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-30 00:45:09,812 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:45:09,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:45:09,813 INFO L82 PathProgramCache]: Analyzing trace with hash 467366763, now seen corresponding path program 1 times [2020-11-30 00:45:09,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:45:09,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294783354] [2020-11-30 00:45:09,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:45:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:45:10,118 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 151 proven. 6 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-11-30 00:45:10,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294783354] [2020-11-30 00:45:10,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807842282] [2020-11-30 00:45:10,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:45:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:45:10,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:45:10,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:45:10,649 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-11-30 00:45:10,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:45:10,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 00:45:10,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631162086] [2020-11-30 00:45:10,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:45:10,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:45:10,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:45:10,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:45:10,655 INFO L87 Difference]: Start difference. First operand 71096 states and 76815 transitions. Second operand 3 states. [2020-11-30 00:45:11,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:45:11,506 INFO L93 Difference]: Finished difference Result 205464 states and 221816 transitions. [2020-11-30 00:45:11,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:45:11,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2020-11-30 00:45:11,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:45:11,659 INFO L225 Difference]: With dead ends: 205464 [2020-11-30 00:45:11,659 INFO L226 Difference]: Without dead ends: 134167 [2020-11-30 00:45:11,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:45:11,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134167 states. [2020-11-30 00:45:13,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134167 to 125641. [2020-11-30 00:45:13,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125641 states. [2020-11-30 00:45:13,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125641 states to 125641 states and 134579 transitions. [2020-11-30 00:45:13,457 INFO L78 Accepts]: Start accepts. Automaton has 125641 states and 134579 transitions. Word has length 341 [2020-11-30 00:45:13,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:45:13,458 INFO L481 AbstractCegarLoop]: Abstraction has 125641 states and 134579 transitions. [2020-11-30 00:45:13,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:45:13,458 INFO L276 IsEmpty]: Start isEmpty. Operand 125641 states and 134579 transitions. [2020-11-30 00:45:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2020-11-30 00:45:13,518 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:45:13,518 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:45:13,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:45:13,719 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:45:13,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:45:13,720 INFO L82 PathProgramCache]: Analyzing trace with hash -2078605585, now seen corresponding path program 1 times [2020-11-30 00:45:13,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:45:13,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907225371] [2020-11-30 00:45:13,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:45:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:45:14,376 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 145 proven. 6 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2020-11-30 00:45:14,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907225371] [2020-11-30 00:45:14,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020681693] [2020-11-30 00:45:14,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:45:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:45:14,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 00:45:14,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:45:14,860 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2020-11-30 00:45:14,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:45:14,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-30 00:45:14,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886196100] [2020-11-30 00:45:14,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:45:14,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:45:14,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:45:14,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:45:14,863 INFO L87 Difference]: Start difference. First operand 125641 states and 134579 transitions. Second operand 3 states. [2020-11-30 00:45:16,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:45:16,061 INFO L93 Difference]: Finished difference Result 226274 states and 242279 transitions. [2020-11-30 00:45:16,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:45:16,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 362 [2020-11-30 00:45:16,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:45:16,073 INFO L225 Difference]: With dead ends: 226274 [2020-11-30 00:45:16,073 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:45:16,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:45:16,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:45:16,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:45:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:45:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:45:16,121 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 362 [2020-11-30 00:45:16,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:45:16,122 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:45:16,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:45:16,122 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:45:16,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:45:16,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-11-30 00:45:16,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:45:19,735 WARN L193 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 891 DAG size of output: 389 [2020-11-30 00:45:21,873 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 891 DAG size of output: 389 [2020-11-30 00:45:25,453 WARN L193 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-11-30 00:45:28,491 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 323 DAG size of output: 59 [2020-11-30 00:45:28,494 INFO L274 CegarLoopResult]: For program point L1621(line 1621) no Hoare annotation was computed. [2020-11-30 00:45:28,494 INFO L274 CegarLoopResult]: For program point L1555(line 1555) no Hoare annotation was computed. [2020-11-30 00:45:28,494 INFO L274 CegarLoopResult]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,494 INFO L274 CegarLoopResult]: For program point L1489(line 1489) no Hoare annotation was computed. [2020-11-30 00:45:28,494 INFO L274 CegarLoopResult]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,494 INFO L274 CegarLoopResult]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,494 INFO L274 CegarLoopResult]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,494 INFO L274 CegarLoopResult]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,494 INFO L274 CegarLoopResult]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,494 INFO L274 CegarLoopResult]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,494 INFO L274 CegarLoopResult]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,495 INFO L274 CegarLoopResult]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,495 INFO L274 CegarLoopResult]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,495 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,495 INFO L274 CegarLoopResult]: For program point L1624(line 1624) no Hoare annotation was computed. [2020-11-30 00:45:28,495 INFO L274 CegarLoopResult]: For program point L1558(line 1558) no Hoare annotation was computed. [2020-11-30 00:45:28,495 INFO L274 CegarLoopResult]: For program point L1492(line 1492) no Hoare annotation was computed. [2020-11-30 00:45:28,495 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,495 INFO L274 CegarLoopResult]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2020-11-30 00:45:28,495 INFO L274 CegarLoopResult]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2020-11-30 00:45:28,495 INFO L274 CegarLoopResult]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,495 INFO L274 CegarLoopResult]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,495 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,495 INFO L274 CegarLoopResult]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,495 INFO L274 CegarLoopResult]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,495 INFO L274 CegarLoopResult]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,496 INFO L274 CegarLoopResult]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,496 INFO L274 CegarLoopResult]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,496 INFO L274 CegarLoopResult]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,496 INFO L274 CegarLoopResult]: For program point L1627(line 1627) no Hoare annotation was computed. [2020-11-30 00:45:28,496 INFO L274 CegarLoopResult]: For program point L1561(line 1561) no Hoare annotation was computed. [2020-11-30 00:45:28,496 INFO L274 CegarLoopResult]: For program point L1495(line 1495) no Hoare annotation was computed. [2020-11-30 00:45:28,496 INFO L274 CegarLoopResult]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,496 INFO L274 CegarLoopResult]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,496 INFO L274 CegarLoopResult]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,496 INFO L274 CegarLoopResult]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,496 INFO L274 CegarLoopResult]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,496 INFO L274 CegarLoopResult]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,496 INFO L274 CegarLoopResult]: For program point L1630(line 1630) no Hoare annotation was computed. [2020-11-30 00:45:28,496 INFO L274 CegarLoopResult]: For program point L1564(line 1564) no Hoare annotation was computed. [2020-11-30 00:45:28,496 INFO L274 CegarLoopResult]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,497 INFO L274 CegarLoopResult]: For program point L1498(line 1498) no Hoare annotation was computed. [2020-11-30 00:45:28,497 INFO L274 CegarLoopResult]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,497 INFO L274 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-11-30 00:45:28,497 INFO L274 CegarLoopResult]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2020-11-30 00:45:28,497 INFO L274 CegarLoopResult]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,497 INFO L274 CegarLoopResult]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,497 INFO L274 CegarLoopResult]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,497 INFO L274 CegarLoopResult]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,497 INFO L274 CegarLoopResult]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,497 INFO L274 CegarLoopResult]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,497 INFO L274 CegarLoopResult]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,497 INFO L274 CegarLoopResult]: For program point L1633(line 1633) no Hoare annotation was computed. [2020-11-30 00:45:28,497 INFO L274 CegarLoopResult]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,497 INFO L274 CegarLoopResult]: For program point L1567(line 1567) no Hoare annotation was computed. [2020-11-30 00:45:28,497 INFO L274 CegarLoopResult]: For program point L1501(line 1501) no Hoare annotation was computed. [2020-11-30 00:45:28,498 INFO L274 CegarLoopResult]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,498 INFO L274 CegarLoopResult]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,498 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,498 INFO L274 CegarLoopResult]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,498 INFO L274 CegarLoopResult]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2020-11-30 00:45:28,498 INFO L274 CegarLoopResult]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2020-11-30 00:45:28,498 INFO L274 CegarLoopResult]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,498 INFO L274 CegarLoopResult]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,498 INFO L274 CegarLoopResult]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,498 INFO L274 CegarLoopResult]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,498 INFO L274 CegarLoopResult]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,498 INFO L274 CegarLoopResult]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,498 INFO L274 CegarLoopResult]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,498 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,498 INFO L274 CegarLoopResult]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L1636(line 1636) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L1570(line 1570) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L1504(line 1504) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L1639(line 1639) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L1573(line 1573) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L1507(line 1507) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,499 INFO L274 CegarLoopResult]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,500 INFO L274 CegarLoopResult]: For program point L1642(line 1642) no Hoare annotation was computed. [2020-11-30 00:45:28,500 INFO L274 CegarLoopResult]: For program point L1576(line 1576) no Hoare annotation was computed. [2020-11-30 00:45:28,500 INFO L274 CegarLoopResult]: For program point L1510(line 1510) no Hoare annotation was computed. [2020-11-30 00:45:28,500 INFO L274 CegarLoopResult]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,500 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,500 INFO L274 CegarLoopResult]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,500 INFO L274 CegarLoopResult]: For program point L388(lines 388 405) no Hoare annotation was computed. [2020-11-30 00:45:28,500 INFO L274 CegarLoopResult]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,500 INFO L274 CegarLoopResult]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2020-11-30 00:45:28,500 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:45:28,500 INFO L274 CegarLoopResult]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,500 INFO L274 CegarLoopResult]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,500 INFO L274 CegarLoopResult]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2020-11-30 00:45:28,500 INFO L274 CegarLoopResult]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2020-11-30 00:45:28,500 INFO L274 CegarLoopResult]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L720(lines 720 741) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L1645(line 1645) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L1579(line 1579) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L1513(line 1513) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,501 INFO L274 CegarLoopResult]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L1648(line 1648) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L1582(line 1582) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L1516(line 1516) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,502 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,503 INFO L274 CegarLoopResult]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,503 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:45:28,503 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 00:45:28,503 INFO L274 CegarLoopResult]: For program point L1651(line 1651) no Hoare annotation was computed. [2020-11-30 00:45:28,503 INFO L274 CegarLoopResult]: For program point L1585(line 1585) no Hoare annotation was computed. [2020-11-30 00:45:28,503 INFO L274 CegarLoopResult]: For program point L1519(line 1519) no Hoare annotation was computed. [2020-11-30 00:45:28,503 INFO L274 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-11-30 00:45:28,503 INFO L274 CegarLoopResult]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2020-11-30 00:45:28,503 INFO L274 CegarLoopResult]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,503 INFO L274 CegarLoopResult]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,503 INFO L274 CegarLoopResult]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,503 INFO L274 CegarLoopResult]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,503 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,503 INFO L274 CegarLoopResult]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,503 INFO L274 CegarLoopResult]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L1654(line 1654) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L1588(line 1588) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L1522(line 1522) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L928(lines 928 945) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L202(lines 202 221) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2020-11-30 00:45:28,504 INFO L274 CegarLoopResult]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,505 INFO L274 CegarLoopResult]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2020-11-30 00:45:28,505 INFO L274 CegarLoopResult]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,505 INFO L274 CegarLoopResult]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,505 INFO L274 CegarLoopResult]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2020-11-30 00:45:28,505 INFO L274 CegarLoopResult]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2020-11-30 00:45:28,505 INFO L274 CegarLoopResult]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2020-11-30 00:45:28,505 INFO L274 CegarLoopResult]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2020-11-30 00:45:28,505 INFO L274 CegarLoopResult]: For program point L1657(line 1657) no Hoare annotation was computed. [2020-11-30 00:45:28,505 INFO L274 CegarLoopResult]: For program point L1591(line 1591) no Hoare annotation was computed. [2020-11-30 00:45:28,505 INFO L274 CegarLoopResult]: For program point L1525(line 1525) no Hoare annotation was computed. [2020-11-30 00:45:28,505 INFO L274 CegarLoopResult]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,505 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,505 INFO L274 CegarLoopResult]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,509 INFO L270 CegarLoopResult]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse10 (= ~a27~0 1)) (.cse13 (= ~a26~0 0)) (.cse7 (= ~a3~0 0)) (.cse3 (= ~a11~0 0)) (.cse9 (<= ~a6~0 0))) (let ((.cse6 (<= ~a4~0 0)) (.cse11 (or (and .cse10 .cse7 .cse3 .cse9) (and .cse13 .cse7 .cse3 .cse9))) (.cse2 (<= 2 ~a3~0)) (.cse5 (<= ~a12~0 0)) (.cse8 (= ~a11~0 1)) (.cse0 (= ~a12~0 1)) (.cse1 (= ~a5~0 1)) (.cse4 (= ~a6~0 1)) (.cse12 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse7 .cse8 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse9) (and .cse1 .cse10 .cse5 .cse7 .cse8 .cse4) (and .cse1 .cse10 .cse2 .cse5 .cse8 .cse9) (and .cse0 .cse1 .cse11) (and .cse0 .cse1 .cse7 .cse8 .cse4) (and .cse1 .cse5 .cse3 .cse4 .cse12) (and .cse0 .cse1 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse8 .cse9 .cse12) (and .cse1 .cse5 .cse8 .cse4 .cse12) (and .cse0 .cse1 .cse2 .cse8 .cse9) (and .cse1 .cse10 .cse2 .cse5 .cse3 .cse9) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse1 .cse5 .cse8 .cse9 .cse12) (and .cse0 .cse1 .cse7 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse7 .cse3 .cse9) (and .cse1 .cse2 .cse5 .cse8 .cse4) (and (<= ~a10~0 0) .cse0 .cse1 .cse10 .cse3 .cse9 .cse12) (and .cse1 .cse5 .cse11) (and .cse0 .cse2 .cse1 .cse10 .cse8 .cse4) (and .cse1 .cse5 .cse3 .cse9 .cse12) (and .cse1 .cse2 .cse5 .cse13 .cse8 .cse9) (and .cse1 .cse5 .cse7 .cse3 .cse4) (and .cse1 .cse5 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse8 .cse4 .cse12) (and .cse0 .cse1 .cse3 .cse4 .cse12)))) [2020-11-30 00:45:28,509 INFO L274 CegarLoopResult]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,509 INFO L274 CegarLoopResult]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,509 INFO L274 CegarLoopResult]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,510 INFO L274 CegarLoopResult]: For program point L1594(line 1594) no Hoare annotation was computed. [2020-11-30 00:45:28,510 INFO L274 CegarLoopResult]: For program point L1528(line 1528) no Hoare annotation was computed. [2020-11-30 00:45:28,510 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,510 INFO L274 CegarLoopResult]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,510 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,510 INFO L277 CegarLoopResult]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2020-11-30 00:45:28,510 INFO L274 CegarLoopResult]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,510 INFO L274 CegarLoopResult]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,511 INFO L274 CegarLoopResult]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,511 INFO L274 CegarLoopResult]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,511 INFO L274 CegarLoopResult]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,511 INFO L274 CegarLoopResult]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,511 INFO L274 CegarLoopResult]: For program point L1597(line 1597) no Hoare annotation was computed. [2020-11-30 00:45:28,511 INFO L274 CegarLoopResult]: For program point L1531(line 1531) no Hoare annotation was computed. [2020-11-30 00:45:28,511 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:45:28,511 INFO L274 CegarLoopResult]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,512 INFO L274 CegarLoopResult]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,512 INFO L274 CegarLoopResult]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,512 INFO L274 CegarLoopResult]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,512 INFO L274 CegarLoopResult]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,512 INFO L274 CegarLoopResult]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,512 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,512 INFO L274 CegarLoopResult]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,512 INFO L274 CegarLoopResult]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,512 INFO L274 CegarLoopResult]: For program point L1600(line 1600) no Hoare annotation was computed. [2020-11-30 00:45:28,513 INFO L274 CegarLoopResult]: For program point L1534(line 1534) no Hoare annotation was computed. [2020-11-30 00:45:28,513 INFO L274 CegarLoopResult]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,513 INFO L274 CegarLoopResult]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,513 INFO L274 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2020-11-30 00:45:28,513 INFO L274 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2020-11-30 00:45:28,513 INFO L274 CegarLoopResult]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,514 INFO L270 CegarLoopResult]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse10 (= ~a27~0 1)) (.cse13 (= ~a26~0 0)) (.cse7 (= ~a3~0 0)) (.cse3 (= ~a11~0 0)) (.cse9 (<= ~a6~0 0))) (let ((.cse6 (<= ~a4~0 0)) (.cse11 (or (and .cse10 .cse7 .cse3 .cse9) (and .cse13 .cse7 .cse3 .cse9))) (.cse2 (<= 2 ~a3~0)) (.cse5 (<= ~a12~0 0)) (.cse8 (= ~a11~0 1)) (.cse0 (= ~a12~0 1)) (.cse1 (= ~a5~0 1)) (.cse4 (= ~a6~0 1)) (.cse12 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse7 .cse8 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse9) (and .cse1 .cse10 .cse5 .cse7 .cse8 .cse4) (and .cse1 .cse10 .cse2 .cse5 .cse8 .cse9) (and .cse0 .cse1 .cse11) (and .cse0 .cse1 .cse7 .cse8 .cse4) (and .cse1 .cse5 .cse3 .cse4 .cse12) (and .cse0 .cse1 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse8 .cse9 .cse12) (and .cse1 .cse5 .cse8 .cse4 .cse12) (and .cse0 .cse1 .cse2 .cse8 .cse9) (and .cse1 .cse10 .cse2 .cse5 .cse3 .cse9) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse1 .cse5 .cse8 .cse9 .cse12) (and .cse0 .cse1 .cse7 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse7 .cse3 .cse9) (and .cse1 .cse2 .cse5 .cse8 .cse4) (and (<= ~a10~0 0) .cse0 .cse1 .cse10 .cse3 .cse9 .cse12) (and .cse1 .cse5 .cse11) (and .cse0 .cse2 .cse1 .cse10 .cse8 .cse4) (and .cse1 .cse5 .cse3 .cse9 .cse12) (and .cse1 .cse2 .cse5 .cse13 .cse8 .cse9) (and .cse1 .cse5 .cse7 .cse3 .cse4) (and .cse1 .cse5 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse8 .cse4 .cse12) (and .cse0 .cse1 .cse3 .cse4 .cse12)))) [2020-11-30 00:45:28,514 INFO L274 CegarLoopResult]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,514 INFO L274 CegarLoopResult]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,514 INFO L274 CegarLoopResult]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,514 INFO L274 CegarLoopResult]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,514 INFO L274 CegarLoopResult]: For program point L1603(line 1603) no Hoare annotation was computed. [2020-11-30 00:45:28,514 INFO L274 CegarLoopResult]: For program point L1537(line 1537) no Hoare annotation was computed. [2020-11-30 00:45:28,514 INFO L274 CegarLoopResult]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,515 INFO L274 CegarLoopResult]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,515 INFO L274 CegarLoopResult]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,515 INFO L274 CegarLoopResult]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,515 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,515 INFO L274 CegarLoopResult]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,515 INFO L274 CegarLoopResult]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,515 INFO L274 CegarLoopResult]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,515 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:45:28,516 INFO L274 CegarLoopResult]: For program point L879(lines 879 897) no Hoare annotation was computed. [2020-11-30 00:45:28,516 INFO L274 CegarLoopResult]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2020-11-30 00:45:28,516 INFO L274 CegarLoopResult]: For program point L1606(line 1606) no Hoare annotation was computed. [2020-11-30 00:45:28,516 INFO L274 CegarLoopResult]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,516 INFO L274 CegarLoopResult]: For program point L1540(line 1540) no Hoare annotation was computed. [2020-11-30 00:45:28,516 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,516 INFO L274 CegarLoopResult]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,516 INFO L274 CegarLoopResult]: For program point L1673(line 1673) no Hoare annotation was computed. [2020-11-30 00:45:28,516 INFO L274 CegarLoopResult]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,516 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,516 INFO L274 CegarLoopResult]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,516 INFO L274 CegarLoopResult]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,516 INFO L274 CegarLoopResult]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,517 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2020-11-30 00:45:28,517 INFO L274 CegarLoopResult]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,517 INFO L274 CegarLoopResult]: For program point L1609(line 1609) no Hoare annotation was computed. [2020-11-30 00:45:28,517 INFO L274 CegarLoopResult]: For program point L1543(line 1543) no Hoare annotation was computed. [2020-11-30 00:45:28,517 INFO L274 CegarLoopResult]: For program point L1477(line 1477) no Hoare annotation was computed. [2020-11-30 00:45:28,517 INFO L274 CegarLoopResult]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,517 INFO L274 CegarLoopResult]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,517 INFO L274 CegarLoopResult]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,518 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,518 INFO L274 CegarLoopResult]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,518 INFO L274 CegarLoopResult]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,518 INFO L274 CegarLoopResult]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,518 INFO L274 CegarLoopResult]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,518 INFO L274 CegarLoopResult]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2020-11-30 00:45:28,518 INFO L274 CegarLoopResult]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2020-11-30 00:45:28,518 INFO L274 CegarLoopResult]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,519 INFO L274 CegarLoopResult]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,519 INFO L274 CegarLoopResult]: For program point L1612(line 1612) no Hoare annotation was computed. [2020-11-30 00:45:28,519 INFO L274 CegarLoopResult]: For program point L1546(line 1546) no Hoare annotation was computed. [2020-11-30 00:45:28,519 INFO L274 CegarLoopResult]: For program point L1480(line 1480) no Hoare annotation was computed. [2020-11-30 00:45:28,519 INFO L274 CegarLoopResult]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,519 INFO L274 CegarLoopResult]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,519 INFO L274 CegarLoopResult]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,519 INFO L274 CegarLoopResult]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,519 INFO L274 CegarLoopResult]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,520 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:45:28,520 INFO L274 CegarLoopResult]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,520 INFO L274 CegarLoopResult]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,520 INFO L274 CegarLoopResult]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,520 INFO L274 CegarLoopResult]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,520 INFO L274 CegarLoopResult]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,520 INFO L274 CegarLoopResult]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,520 INFO L274 CegarLoopResult]: For program point L1615(line 1615) no Hoare annotation was computed. [2020-11-30 00:45:28,521 INFO L274 CegarLoopResult]: For program point L1549(line 1549) no Hoare annotation was computed. [2020-11-30 00:45:28,521 INFO L274 CegarLoopResult]: For program point L1483(line 1483) no Hoare annotation was computed. [2020-11-30 00:45:28,521 INFO L274 CegarLoopResult]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,521 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,521 INFO L274 CegarLoopResult]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,521 INFO L274 CegarLoopResult]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,521 INFO L274 CegarLoopResult]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,521 INFO L274 CegarLoopResult]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,522 INFO L274 CegarLoopResult]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,522 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2020-11-30 00:45:28,522 INFO L274 CegarLoopResult]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2020-11-30 00:45:28,522 INFO L274 CegarLoopResult]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,522 INFO L274 CegarLoopResult]: For program point L1618(line 1618) no Hoare annotation was computed. [2020-11-30 00:45:28,522 INFO L274 CegarLoopResult]: For program point L1552(line 1552) no Hoare annotation was computed. [2020-11-30 00:45:28,522 INFO L274 CegarLoopResult]: For program point L1486(line 1486) no Hoare annotation was computed. [2020-11-30 00:45:28,522 INFO L274 CegarLoopResult]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,522 INFO L274 CegarLoopResult]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,523 INFO L274 CegarLoopResult]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,523 INFO L274 CegarLoopResult]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,523 INFO L274 CegarLoopResult]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2020-11-30 00:45:28,523 INFO L274 CegarLoopResult]: For program point L695(lines 695 709) no Hoare annotation was computed. [2020-11-30 00:45:28,523 INFO L274 CegarLoopResult]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2020-11-30 00:45:28,523 INFO L274 CegarLoopResult]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,523 INFO L274 CegarLoopResult]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,523 INFO L274 CegarLoopResult]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2020-11-30 00:45:28,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:45:28 BoogieIcfgContainer [2020-11-30 00:45:28,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:45:28,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:45:28,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:45:28,564 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:45:28,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:44:35" (3/4) ... [2020-11-30 00:45:28,567 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:45:28,602 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:45:28,606 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:45:28,609 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:45:28,613 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:45:28,815 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3ac100aa-7d33-4d28-bc8a-8ffd704a2e65/bin/uautomizer/witness.graphml [2020-11-30 00:45:28,815 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:45:28,816 INFO L168 Benchmark]: Toolchain (without parser) took 57176.04 ms. Allocated memory was 109.1 MB in the beginning and 12.6 GB in the end (delta: 12.5 GB). Free memory was 74.8 MB in the beginning and 11.0 GB in the end (delta: -10.9 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2020-11-30 00:45:28,816 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 109.1 MB. Free memory was 68.6 MB in the beginning and 68.6 MB in the end (delta: 51.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:45:28,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1275.62 ms. Allocated memory was 109.1 MB in the beginning and 153.1 MB in the end (delta: 44.0 MB). Free memory was 74.5 MB in the beginning and 105.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:45:28,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.69 ms. Allocated memory is still 153.1 MB. Free memory was 105.0 MB in the beginning and 90.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:45:28,817 INFO L168 Benchmark]: Boogie Preprocessor took 145.77 ms. Allocated memory is still 153.1 MB. Free memory was 90.3 MB in the beginning and 79.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:45:28,819 INFO L168 Benchmark]: RCFGBuilder took 2481.06 ms. Allocated memory was 153.1 MB in the beginning and 220.2 MB in the end (delta: 67.1 MB). Free memory was 79.8 MB in the beginning and 161.1 MB in the end (delta: -81.2 MB). Peak memory consumption was 91.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:45:28,819 INFO L168 Benchmark]: TraceAbstraction took 52830.42 ms. Allocated memory was 220.2 MB in the beginning and 12.6 GB in the end (delta: 12.4 GB). Free memory was 161.1 MB in the beginning and 11.0 GB in the end (delta: -10.9 GB). Peak memory consumption was 2.1 GB. Max. memory is 16.1 GB. [2020-11-30 00:45:28,820 INFO L168 Benchmark]: Witness Printer took 250.88 ms. Allocated memory is still 12.6 GB. Free memory was 11.0 GB in the beginning and 11.0 GB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:45:28,822 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 109.1 MB. Free memory was 68.6 MB in the beginning and 68.6 MB in the end (delta: 51.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1275.62 ms. Allocated memory was 109.1 MB in the beginning and 153.1 MB in the end (delta: 44.0 MB). Free memory was 74.5 MB in the beginning and 105.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 177.69 ms. Allocated memory is still 153.1 MB. Free memory was 105.0 MB in the beginning and 90.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 145.77 ms. Allocated memory is still 153.1 MB. Free memory was 90.3 MB in the beginning and 79.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2481.06 ms. Allocated memory was 153.1 MB in the beginning and 220.2 MB in the end (delta: 67.1 MB). Free memory was 79.8 MB in the beginning and 161.1 MB in the end (delta: -81.2 MB). Peak memory consumption was 91.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 52830.42 ms. Allocated memory was 220.2 MB in the beginning and 12.6 GB in the end (delta: 12.4 GB). Free memory was 161.1 MB in the beginning and 11.0 GB in the end (delta: -10.9 GB). Peak memory consumption was 2.1 GB. Max. memory is 16.1 GB. * Witness Printer took 250.88 ms. Allocated memory is still 12.6 GB. Free memory was 11.0 GB in the beginning and 11.0 GB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a12 == 1 && a5 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) || (((((a5 == 1 && a12 <= 0) && a4 <= 0) && a3 == 0) && a11 == 1) && a6 == 1)) || ((((a12 == 1 && a5 == 1) && 2 <= a3) && a11 == 0) && a6 <= 0)) || (((((a5 == 1 && a27 == 1) && a12 <= 0) && a3 == 0) && a11 == 1) && a6 == 1)) || (((((a5 == 1 && a27 == 1) && 2 <= a3) && a12 <= 0) && a11 == 1) && a6 <= 0)) || ((a12 == 1 && a5 == 1) && ((((a27 == 1 && a3 == 0) && a11 == 0) && a6 <= 0) || (((a26 == 0 && a3 == 0) && a11 == 0) && a6 <= 0)))) || ((((a12 == 1 && a5 == 1) && a3 == 0) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a12 <= 0) && a11 == 0) && a6 == 1) && a3 == 1)) || ((((a12 == 1 && a5 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || ((((a12 == 1 && a5 == 1) && a11 == 1) && a6 <= 0) && a3 == 1)) || ((((a5 == 1 && a12 <= 0) && a11 == 1) && a6 == 1) && a3 == 1)) || ((((a12 == 1 && a5 == 1) && 2 <= a3) && a11 == 1) && a6 <= 0)) || (((((a5 == 1 && a27 == 1) && 2 <= a3) && a12 <= 0) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && 2 <= a3) && a12 <= 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a12 <= 0) && a11 == 1) && a6 <= 0) && a3 == 1)) || ((((a12 == 1 && a5 == 1) && a3 == 0) && a11 == 0) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && a4 <= 0) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && 2 <= a3) && a12 <= 0) && a11 == 1) && a6 == 1)) || ((((((a10 <= 0 && a12 == 1) && a5 == 1) && a27 == 1) && a11 == 0) && a6 <= 0) && a3 == 1)) || ((a5 == 1 && a12 <= 0) && ((((a27 == 1 && a3 == 0) && a11 == 0) && a6 <= 0) || (((a26 == 0 && a3 == 0) && a11 == 0) && a6 <= 0)))) || (((((a12 == 1 && 2 <= a3) && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a12 <= 0) && a11 == 0) && a6 <= 0) && a3 == 1)) || (((((a5 == 1 && 2 <= a3) && a12 <= 0) && a26 == 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a12 <= 0) && a3 == 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a12 <= 0) && a3 == 0) && a11 == 1) && a6 <= 0)) || ((((a12 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a3 == 1)) || ((((a12 == 1 && a5 == 1) && a11 == 0) && a6 == 1) && a3 == 1) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a12 == 1 && a5 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) || (((((a5 == 1 && a12 <= 0) && a4 <= 0) && a3 == 0) && a11 == 1) && a6 == 1)) || ((((a12 == 1 && a5 == 1) && 2 <= a3) && a11 == 0) && a6 <= 0)) || (((((a5 == 1 && a27 == 1) && a12 <= 0) && a3 == 0) && a11 == 1) && a6 == 1)) || (((((a5 == 1 && a27 == 1) && 2 <= a3) && a12 <= 0) && a11 == 1) && a6 <= 0)) || ((a12 == 1 && a5 == 1) && ((((a27 == 1 && a3 == 0) && a11 == 0) && a6 <= 0) || (((a26 == 0 && a3 == 0) && a11 == 0) && a6 <= 0)))) || ((((a12 == 1 && a5 == 1) && a3 == 0) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a12 <= 0) && a11 == 0) && a6 == 1) && a3 == 1)) || ((((a12 == 1 && a5 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || ((((a12 == 1 && a5 == 1) && a11 == 1) && a6 <= 0) && a3 == 1)) || ((((a5 == 1 && a12 <= 0) && a11 == 1) && a6 == 1) && a3 == 1)) || ((((a12 == 1 && a5 == 1) && 2 <= a3) && a11 == 1) && a6 <= 0)) || (((((a5 == 1 && a27 == 1) && 2 <= a3) && a12 <= 0) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && 2 <= a3) && a12 <= 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a12 <= 0) && a11 == 1) && a6 <= 0) && a3 == 1)) || ((((a12 == 1 && a5 == 1) && a3 == 0) && a11 == 0) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && a4 <= 0) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && 2 <= a3) && a12 <= 0) && a11 == 1) && a6 == 1)) || ((((((a10 <= 0 && a12 == 1) && a5 == 1) && a27 == 1) && a11 == 0) && a6 <= 0) && a3 == 1)) || ((a5 == 1 && a12 <= 0) && ((((a27 == 1 && a3 == 0) && a11 == 0) && a6 <= 0) || (((a26 == 0 && a3 == 0) && a11 == 0) && a6 <= 0)))) || (((((a12 == 1 && 2 <= a3) && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a12 <= 0) && a11 == 0) && a6 <= 0) && a3 == 1)) || (((((a5 == 1 && 2 <= a3) && a12 <= 0) && a26 == 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a12 <= 0) && a3 == 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a12 <= 0) && a3 == 0) && a11 == 1) && a6 <= 0)) || ((((a12 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a3 == 1)) || ((((a12 == 1 && a5 == 1) && a11 == 0) && a6 == 1) && a3 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 40.5s, OverallIterations: 17, TraceHistogramMax: 7, AutomataDifference: 22.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4667 SDtfs, 4072 SDslu, 1155 SDs, 0 SdLazy, 8821 SolverSat, 1613 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2022 GetRequests, 1991 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125641occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.5s AutomataMinimizationTime, 17 MinimizatonAttempts, 30990 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 957 NumberOfFragments, 993 HoareAnnotationTreeSize, 3 FomulaSimplifications, 37168 FormulaSimplificationTreeSizeReduction, 5.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 12066 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 5876 NumberOfCodeBlocks, 5876 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 5852 ConstructedInterpolants, 0 QuantifiedInterpolants, 2436928 SizeOfPredicates, 5 NumberOfNonLiveVariables, 4266 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 24 InterpolantComputations, 17 PerfectInterpolantSequences, 3786/3828 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...