./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label05.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_bc2afa9a-dac6-4f8f-be56-15176ac6c473/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label05.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/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 4aa1e843389c49452308139a1a0aa23207ad0d06 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:06:07,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:06:07,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:06:07,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:06:07,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:06:07,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:06:07,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:06:07,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:06:07,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:06:07,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:06:07,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:06:07,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:06:07,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:06:07,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:06:07,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:06:07,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:06:07,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:06:07,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:06:07,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:06:07,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:06:07,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:06:07,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:06:07,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:06:07,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:06:07,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:06:07,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:06:07,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:06:07,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:06:07,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:06:07,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:06:07,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:06:07,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:06:07,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:06:07,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:06:07,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:06:07,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:06:07,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:06:07,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:06:07,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:06:07,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:06:07,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:06:07,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:06:07,205 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:06:07,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:06:07,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:06:07,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:06:07,215 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:06:07,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:06:07,215 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:06:07,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:06:07,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:06:07,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:06:07,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:06:07,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:06:07,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:06:07,218 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:06:07,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:06:07,219 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:06:07,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:06:07,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:06:07,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:06:07,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:06:07,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:06:07,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:06:07,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:06:07,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:06:07,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:06:07,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:06:07,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:06:07,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:06:07,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:06:07,223 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_bc2afa9a-dac6-4f8f-be56-15176ac6c473/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aa1e843389c49452308139a1a0aa23207ad0d06 [2020-11-30 00:06:07,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:06:07,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:06:07,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:06:07,591 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:06:07,593 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:06:07,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem15_label05.c [2020-11-30 00:06:07,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/bin/uautomizer/data/b5c6057cb/b9525eb330fc4f88a05e931d71a1f25a/FLAG7d2f85bce [2020-11-30 00:06:08,487 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:06:08,487 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/sv-benchmarks/c/eca-rers2012/Problem15_label05.c [2020-11-30 00:06:08,515 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/bin/uautomizer/data/b5c6057cb/b9525eb330fc4f88a05e931d71a1f25a/FLAG7d2f85bce [2020-11-30 00:06:08,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/bin/uautomizer/data/b5c6057cb/b9525eb330fc4f88a05e931d71a1f25a [2020-11-30 00:06:08,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:06:08,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:06:08,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:06:08,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:06:08,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:06:08,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:06:08" (1/1) ... [2020-11-30 00:06:08,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5961736b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:08, skipping insertion in model container [2020-11-30 00:06:08,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:06:08" (1/1) ... [2020-11-30 00:06:08,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:06:08,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:06:09,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:06:09,768 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:06:10,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:06:10,166 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:06:10,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:10 WrapperNode [2020-11-30 00:06:10,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:06:10,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:06:10,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:06:10,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:06:10,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:10" (1/1) ... [2020-11-30 00:06:10,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:10" (1/1) ... [2020-11-30 00:06:10,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:06:10,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:06:10,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:06:10,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:06:10,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:10" (1/1) ... [2020-11-30 00:06:10,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:10" (1/1) ... [2020-11-30 00:06:10,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:10" (1/1) ... [2020-11-30 00:06:10,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:10" (1/1) ... [2020-11-30 00:06:10,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:10" (1/1) ... [2020-11-30 00:06:10,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:10" (1/1) ... [2020-11-30 00:06:10,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:10" (1/1) ... [2020-11-30 00:06:10,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:06:10,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:06:10,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:06:10,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:06:10,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/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 00:06:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:06:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:06:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:06:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:06:15,622 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:06:15,623 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-30 00:06:15,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:06:15 BoogieIcfgContainer [2020-11-30 00:06:15,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:06:15,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:06:15,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:06:15,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:06:15,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:06:08" (1/3) ... [2020-11-30 00:06:15,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55186d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:06:15, skipping insertion in model container [2020-11-30 00:06:15,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:10" (2/3) ... [2020-11-30 00:06:15,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55186d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:06:15, skipping insertion in model container [2020-11-30 00:06:15,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:06:15" (3/3) ... [2020-11-30 00:06:15,645 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label05.c [2020-11-30 00:06:15,659 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:06:15,665 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:06:15,681 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:06:15,727 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:06:15,727 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:06:15,728 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:06:15,728 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:06:15,728 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:06:15,728 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:06:15,729 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:06:15,729 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:06:15,771 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states. [2020-11-30 00:06:15,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-30 00:06:15,794 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:15,796 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] [2020-11-30 00:06:15,796 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:15,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:15,804 INFO L82 PathProgramCache]: Analyzing trace with hash -107486446, now seen corresponding path program 1 times [2020-11-30 00:06:15,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:15,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919889195] [2020-11-30 00:06:15,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:16,303 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 00:06:16,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919889195] [2020-11-30 00:06:16,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:16,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:06:16,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406933783] [2020-11-30 00:06:16,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:06:16,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:16,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:06:16,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:06:16,337 INFO L87 Difference]: Start difference. First operand 425 states. Second operand 3 states. [2020-11-30 00:06:20,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:20,448 INFO L93 Difference]: Finished difference Result 1155 states and 2107 transitions. [2020-11-30 00:06:20,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:06:20,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-11-30 00:06:20,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:20,474 INFO L225 Difference]: With dead ends: 1155 [2020-11-30 00:06:20,474 INFO L226 Difference]: Without dead ends: 665 [2020-11-30 00:06:20,481 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 00:06:20,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2020-11-30 00:06:20,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2020-11-30 00:06:20,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2020-11-30 00:06:20,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2020-11-30 00:06:20,584 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 64 [2020-11-30 00:06:20,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:20,585 INFO L481 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2020-11-30 00:06:20,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:06:20,586 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2020-11-30 00:06:20,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-30 00:06:20,594 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:20,594 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:06:20,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:06:20,595 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:20,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:20,596 INFO L82 PathProgramCache]: Analyzing trace with hash 531362863, now seen corresponding path program 1 times [2020-11-30 00:06:20,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:20,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944405017] [2020-11-30 00:06:20,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:20,904 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:06:20,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944405017] [2020-11-30 00:06:20,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:20,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:06:20,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095440095] [2020-11-30 00:06:20,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:06:20,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:20,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:06:20,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:06:20,911 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand 3 states. [2020-11-30 00:06:23,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:23,417 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2020-11-30 00:06:23,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:06:23,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-11-30 00:06:23,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:23,451 INFO L225 Difference]: With dead ends: 1624 [2020-11-30 00:06:23,451 INFO L226 Difference]: Without dead ends: 963 [2020-11-30 00:06:23,460 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 00:06:23,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2020-11-30 00:06:23,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2020-11-30 00:06:23,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2020-11-30 00:06:23,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2020-11-30 00:06:23,515 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 129 [2020-11-30 00:06:23,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:23,516 INFO L481 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2020-11-30 00:06:23,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:06:23,516 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2020-11-30 00:06:23,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-11-30 00:06:23,522 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:23,522 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:06:23,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:06:23,522 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:23,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:23,523 INFO L82 PathProgramCache]: Analyzing trace with hash -708499012, now seen corresponding path program 1 times [2020-11-30 00:06:23,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:23,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807091259] [2020-11-30 00:06:23,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:23,818 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:06:23,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807091259] [2020-11-30 00:06:23,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:23,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:06:23,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290025369] [2020-11-30 00:06:23,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:06:23,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:23,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:06:23,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:06:23,831 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand 5 states. [2020-11-30 00:06:27,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:27,963 INFO L93 Difference]: Finished difference Result 2248 states and 3205 transitions. [2020-11-30 00:06:27,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:06:27,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-11-30 00:06:27,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:27,979 INFO L225 Difference]: With dead ends: 2248 [2020-11-30 00:06:27,979 INFO L226 Difference]: Without dead ends: 1586 [2020-11-30 00:06:27,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:06:27,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2020-11-30 00:06:28,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1266. [2020-11-30 00:06:28,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1266 states. [2020-11-30 00:06:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2020-11-30 00:06:28,033 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 134 [2020-11-30 00:06:28,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:28,035 INFO L481 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2020-11-30 00:06:28,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:06:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2020-11-30 00:06:28,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-11-30 00:06:28,052 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:28,052 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 00:06:28,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:06:28,053 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:28,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:28,054 INFO L82 PathProgramCache]: Analyzing trace with hash 523833601, now seen corresponding path program 1 times [2020-11-30 00:06:28,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:28,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780839694] [2020-11-30 00:06:28,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:28,452 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:06:28,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780839694] [2020-11-30 00:06:28,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:28,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:06:28,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302734550] [2020-11-30 00:06:28,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:06:28,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:28,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:06:28,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:06:28,455 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand 4 states. [2020-11-30 00:06:33,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:33,653 INFO L93 Difference]: Finished difference Result 4668 states and 6169 transitions. [2020-11-30 00:06:33,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:06:33,659 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 230 [2020-11-30 00:06:33,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:33,683 INFO L225 Difference]: With dead ends: 4668 [2020-11-30 00:06:33,683 INFO L226 Difference]: Without dead ends: 3404 [2020-11-30 00:06:33,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:06:33,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2020-11-30 00:06:33,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3381. [2020-11-30 00:06:33,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3381 states. [2020-11-30 00:06:33,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4179 transitions. [2020-11-30 00:06:33,798 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4179 transitions. Word has length 230 [2020-11-30 00:06:33,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:33,800 INFO L481 AbstractCegarLoop]: Abstraction has 3381 states and 4179 transitions. [2020-11-30 00:06:33,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:06:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4179 transitions. [2020-11-30 00:06:33,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-11-30 00:06:33,810 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:33,811 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 00:06:33,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:06:33,811 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:33,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:33,812 INFO L82 PathProgramCache]: Analyzing trace with hash -710079945, now seen corresponding path program 1 times [2020-11-30 00:06:33,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:33,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277374937] [2020-11-30 00:06:33,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:34,181 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-11-30 00:06:34,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277374937] [2020-11-30 00:06:34,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:34,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:06:34,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588546965] [2020-11-30 00:06:34,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:06:34,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:34,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:06:34,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:06:34,184 INFO L87 Difference]: Start difference. First operand 3381 states and 4179 transitions. Second operand 3 states. [2020-11-30 00:06:36,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:36,972 INFO L93 Difference]: Finished difference Result 8563 states and 10751 transitions. [2020-11-30 00:06:36,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:06:36,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-11-30 00:06:36,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:37,013 INFO L225 Difference]: With dead ends: 8563 [2020-11-30 00:06:37,013 INFO L226 Difference]: Without dead ends: 5483 [2020-11-30 00:06:37,017 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 00:06:37,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2020-11-30 00:06:37,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2020-11-30 00:06:37,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5478 states. [2020-11-30 00:06:37,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6399 transitions. [2020-11-30 00:06:37,152 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6399 transitions. Word has length 234 [2020-11-30 00:06:37,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:37,153 INFO L481 AbstractCegarLoop]: Abstraction has 5478 states and 6399 transitions. [2020-11-30 00:06:37,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:06:37,153 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6399 transitions. [2020-11-30 00:06:37,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-11-30 00:06:37,162 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:37,162 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 00:06:37,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:06:37,163 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:37,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:37,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1873345661, now seen corresponding path program 1 times [2020-11-30 00:06:37,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:37,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366239860] [2020-11-30 00:06:37,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:37,718 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-11-30 00:06:37,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366239860] [2020-11-30 00:06:37,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:37,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:06:37,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427258042] [2020-11-30 00:06:37,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:06:37,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:37,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:06:37,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:06:37,724 INFO L87 Difference]: Start difference. First operand 5478 states and 6399 transitions. Second operand 3 states. [2020-11-30 00:06:40,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:40,345 INFO L93 Difference]: Finished difference Result 10655 states and 12485 transitions. [2020-11-30 00:06:40,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:06:40,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2020-11-30 00:06:40,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:40,381 INFO L225 Difference]: With dead ends: 10655 [2020-11-30 00:06:40,381 INFO L226 Difference]: Without dead ends: 5478 [2020-11-30 00:06:40,389 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 00:06:40,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2020-11-30 00:06:40,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2020-11-30 00:06:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5478 states. [2020-11-30 00:06:40,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6393 transitions. [2020-11-30 00:06:40,515 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6393 transitions. Word has length 336 [2020-11-30 00:06:40,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:40,516 INFO L481 AbstractCegarLoop]: Abstraction has 5478 states and 6393 transitions. [2020-11-30 00:06:40,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:06:40,516 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6393 transitions. [2020-11-30 00:06:40,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-11-30 00:06:40,524 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:40,525 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:40,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:06:40,525 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:40,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:40,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1384403472, now seen corresponding path program 1 times [2020-11-30 00:06:40,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:40,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017098955] [2020-11-30 00:06:40,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:40,907 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-11-30 00:06:40,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017098955] [2020-11-30 00:06:40,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:40,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:06:40,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826615324] [2020-11-30 00:06:40,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:06:40,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:40,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:06:40,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:06:40,911 INFO L87 Difference]: Start difference. First operand 5478 states and 6393 transitions. Second operand 3 states. [2020-11-30 00:06:43,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:43,905 INFO L93 Difference]: Finished difference Result 11851 states and 14145 transitions. [2020-11-30 00:06:43,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:06:43,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 351 [2020-11-30 00:06:43,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:43,950 INFO L225 Difference]: With dead ends: 11851 [2020-11-30 00:06:43,950 INFO L226 Difference]: Without dead ends: 6674 [2020-11-30 00:06:43,958 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 00:06:43,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2020-11-30 00:06:44,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 4577. [2020-11-30 00:06:44,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4577 states. [2020-11-30 00:06:44,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 4577 states and 5418 transitions. [2020-11-30 00:06:44,088 INFO L78 Accepts]: Start accepts. Automaton has 4577 states and 5418 transitions. Word has length 351 [2020-11-30 00:06:44,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:44,089 INFO L481 AbstractCegarLoop]: Abstraction has 4577 states and 5418 transitions. [2020-11-30 00:06:44,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:06:44,089 INFO L276 IsEmpty]: Start isEmpty. Operand 4577 states and 5418 transitions. [2020-11-30 00:06:44,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-11-30 00:06:44,100 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:44,101 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:06:44,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:06:44,101 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:44,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:44,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1958792975, now seen corresponding path program 1 times [2020-11-30 00:06:44,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:44,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835894073] [2020-11-30 00:06:44,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-30 00:06:44,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835894073] [2020-11-30 00:06:44,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:44,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:06:44,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213640594] [2020-11-30 00:06:44,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:06:44,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:44,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:06:44,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:06:44,629 INFO L87 Difference]: Start difference. First operand 4577 states and 5418 transitions. Second operand 3 states. [2020-11-30 00:06:47,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:47,218 INFO L93 Difference]: Finished difference Result 10960 states and 13243 transitions. [2020-11-30 00:06:47,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:06:47,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 410 [2020-11-30 00:06:47,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:47,253 INFO L225 Difference]: With dead ends: 10960 [2020-11-30 00:06:47,253 INFO L226 Difference]: Without dead ends: 6684 [2020-11-30 00:06:47,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 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 00:06:47,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6684 states. [2020-11-30 00:06:47,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6684 to 5184. [2020-11-30 00:06:47,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5184 states. [2020-11-30 00:06:47,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5184 states to 5184 states and 6349 transitions. [2020-11-30 00:06:47,409 INFO L78 Accepts]: Start accepts. Automaton has 5184 states and 6349 transitions. Word has length 410 [2020-11-30 00:06:47,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:47,410 INFO L481 AbstractCegarLoop]: Abstraction has 5184 states and 6349 transitions. [2020-11-30 00:06:47,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:06:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 5184 states and 6349 transitions. [2020-11-30 00:06:47,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2020-11-30 00:06:47,422 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:47,423 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:47,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:06:47,423 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:47,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:47,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1091448900, now seen corresponding path program 1 times [2020-11-30 00:06:47,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:47,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291462112] [2020-11-30 00:06:47,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:47,894 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:06:47,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291462112] [2020-11-30 00:06:47,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:47,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:06:47,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323815095] [2020-11-30 00:06:47,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:06:47,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:47,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:06:47,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:06:47,906 INFO L87 Difference]: Start difference. First operand 5184 states and 6349 transitions. Second operand 3 states. [2020-11-30 00:06:50,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:50,851 INFO L93 Difference]: Finished difference Result 11268 states and 13765 transitions. [2020-11-30 00:06:50,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:06:50,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 427 [2020-11-30 00:06:50,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:50,869 INFO L225 Difference]: With dead ends: 11268 [2020-11-30 00:06:50,869 INFO L226 Difference]: Without dead ends: 6385 [2020-11-30 00:06:50,876 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 00:06:50,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6385 states. [2020-11-30 00:06:50,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6385 to 6083. [2020-11-30 00:06:50,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6083 states. [2020-11-30 00:06:51,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6083 states to 6083 states and 6951 transitions. [2020-11-30 00:06:51,002 INFO L78 Accepts]: Start accepts. Automaton has 6083 states and 6951 transitions. Word has length 427 [2020-11-30 00:06:51,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:51,003 INFO L481 AbstractCegarLoop]: Abstraction has 6083 states and 6951 transitions. [2020-11-30 00:06:51,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:06:51,003 INFO L276 IsEmpty]: Start isEmpty. Operand 6083 states and 6951 transitions. [2020-11-30 00:06:51,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2020-11-30 00:06:51,017 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:51,017 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:51,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:06:51,018 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:51,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:51,019 INFO L82 PathProgramCache]: Analyzing trace with hash 47898402, now seen corresponding path program 1 times [2020-11-30 00:06:51,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:51,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517261156] [2020-11-30 00:06:51,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:51,431 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-11-30 00:06:51,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517261156] [2020-11-30 00:06:51,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:51,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:06:51,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431354927] [2020-11-30 00:06:51,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:06:51,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:51,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:06:51,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:06:51,434 INFO L87 Difference]: Start difference. First operand 6083 states and 6951 transitions. Second operand 3 states. [2020-11-30 00:06:54,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:54,344 INFO L93 Difference]: Finished difference Result 13661 states and 15886 transitions. [2020-11-30 00:06:54,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:06:54,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 432 [2020-11-30 00:06:54,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:54,378 INFO L225 Difference]: With dead ends: 13661 [2020-11-30 00:06:54,378 INFO L226 Difference]: Without dead ends: 7879 [2020-11-30 00:06:54,385 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 00:06:54,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7879 states. [2020-11-30 00:06:54,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7879 to 7875. [2020-11-30 00:06:54,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7875 states. [2020-11-30 00:06:54,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7875 states to 7875 states and 8884 transitions. [2020-11-30 00:06:54,565 INFO L78 Accepts]: Start accepts. Automaton has 7875 states and 8884 transitions. Word has length 432 [2020-11-30 00:06:54,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:54,566 INFO L481 AbstractCegarLoop]: Abstraction has 7875 states and 8884 transitions. [2020-11-30 00:06:54,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:06:54,566 INFO L276 IsEmpty]: Start isEmpty. Operand 7875 states and 8884 transitions. [2020-11-30 00:06:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2020-11-30 00:06:54,575 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:54,576 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:54,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:06:54,576 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:54,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:54,577 INFO L82 PathProgramCache]: Analyzing trace with hash -586165515, now seen corresponding path program 1 times [2020-11-30 00:06:54,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:54,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037988616] [2020-11-30 00:06:54,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:55,185 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2020-11-30 00:06:55,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037988616] [2020-11-30 00:06:55,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:55,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:06:55,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744346560] [2020-11-30 00:06:55,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:06:55,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:55,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:06:55,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:06:55,190 INFO L87 Difference]: Start difference. First operand 7875 states and 8884 transitions. Second operand 3 states. [2020-11-30 00:06:58,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:58,036 INFO L93 Difference]: Finished difference Result 17541 states and 20130 transitions. [2020-11-30 00:06:58,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:06:58,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 528 [2020-11-30 00:06:58,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:58,070 INFO L225 Difference]: With dead ends: 17541 [2020-11-30 00:06:58,070 INFO L226 Difference]: Without dead ends: 9967 [2020-11-30 00:06:58,079 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 00:06:58,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9967 states. [2020-11-30 00:06:58,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9967 to 9967. [2020-11-30 00:06:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9967 states. [2020-11-30 00:06:58,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9967 states to 9967 states and 11382 transitions. [2020-11-30 00:06:58,249 INFO L78 Accepts]: Start accepts. Automaton has 9967 states and 11382 transitions. Word has length 528 [2020-11-30 00:06:58,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:58,251 INFO L481 AbstractCegarLoop]: Abstraction has 9967 states and 11382 transitions. [2020-11-30 00:06:58,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:06:58,251 INFO L276 IsEmpty]: Start isEmpty. Operand 9967 states and 11382 transitions. [2020-11-30 00:06:58,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2020-11-30 00:06:58,264 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:58,265 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:58,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:06:58,265 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:58,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:58,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1900494367, now seen corresponding path program 1 times [2020-11-30 00:06:58,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:58,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553684283] [2020-11-30 00:06:58,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:59,371 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 620 proven. 39 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2020-11-30 00:06:59,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553684283] [2020-11-30 00:06:59,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361809163] [2020-11-30 00:06:59,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/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 00:06:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:59,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:06:59,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:07:00,777 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 659 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2020-11-30 00:07:00,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:07:00,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-30 00:07:00,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377672365] [2020-11-30 00:07:00,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:07:00,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:00,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:07:00,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:07:00,781 INFO L87 Difference]: Start difference. First operand 9967 states and 11382 transitions. Second operand 4 states. [2020-11-30 00:07:05,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:05,474 INFO L93 Difference]: Finished difference Result 21729 states and 24722 transitions. [2020-11-30 00:07:05,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:07:05,476 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 619 [2020-11-30 00:07:05,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:05,496 INFO L225 Difference]: With dead ends: 21729 [2020-11-30 00:07:05,496 INFO L226 Difference]: Without dead ends: 11465 [2020-11-30 00:07:05,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 622 GetRequests, 617 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:07:05,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11465 states. [2020-11-30 00:07:05,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11465 to 10864. [2020-11-30 00:07:05,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10864 states. [2020-11-30 00:07:05,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10864 states to 10864 states and 12313 transitions. [2020-11-30 00:07:05,776 INFO L78 Accepts]: Start accepts. Automaton has 10864 states and 12313 transitions. Word has length 619 [2020-11-30 00:07:05,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:05,777 INFO L481 AbstractCegarLoop]: Abstraction has 10864 states and 12313 transitions. [2020-11-30 00:07:05,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:07:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 10864 states and 12313 transitions. [2020-11-30 00:07:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2020-11-30 00:07:05,796 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:05,803 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:07:06,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-30 00:07:06,026 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:07:06,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:06,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1018131608, now seen corresponding path program 1 times [2020-11-30 00:07:06,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:07:06,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301554543] [2020-11-30 00:07:06,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:07:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2020-11-30 00:07:06,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301554543] [2020-11-30 00:07:06,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:07:06,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:07:06,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260792541] [2020-11-30 00:07:06,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:07:06,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:06,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:07:06,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:07:06,796 INFO L87 Difference]: Start difference. First operand 10864 states and 12313 transitions. Second operand 3 states. [2020-11-30 00:07:10,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:10,187 INFO L93 Difference]: Finished difference Result 26808 states and 30472 transitions. [2020-11-30 00:07:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:07:10,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 689 [2020-11-30 00:07:10,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:10,220 INFO L225 Difference]: With dead ends: 26808 [2020-11-30 00:07:10,220 INFO L226 Difference]: Without dead ends: 15946 [2020-11-30 00:07:10,233 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 00:07:10,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15946 states. [2020-11-30 00:07:10,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15946 to 13254. [2020-11-30 00:07:10,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13254 states. [2020-11-30 00:07:10,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13254 states to 13254 states and 14957 transitions. [2020-11-30 00:07:10,445 INFO L78 Accepts]: Start accepts. Automaton has 13254 states and 14957 transitions. Word has length 689 [2020-11-30 00:07:10,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:10,447 INFO L481 AbstractCegarLoop]: Abstraction has 13254 states and 14957 transitions. [2020-11-30 00:07:10,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:07:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand 13254 states and 14957 transitions. [2020-11-30 00:07:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 697 [2020-11-30 00:07:10,463 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:10,464 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:07:10,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 00:07:10,464 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:07:10,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:10,465 INFO L82 PathProgramCache]: Analyzing trace with hash -787220142, now seen corresponding path program 1 times [2020-11-30 00:07:10,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:07:10,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400318038] [2020-11-30 00:07:10,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:07:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:11,537 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 629 proven. 190 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-11-30 00:07:11,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400318038] [2020-11-30 00:07:11,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754717569] [2020-11-30 00:07:11,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/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 00:07:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:11,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 00:07:11,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:07:12,660 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 606 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2020-11-30 00:07:12,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:07:12,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2020-11-30 00:07:12,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815141831] [2020-11-30 00:07:12,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:07:12,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:12,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:07:12,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:07:12,664 INFO L87 Difference]: Start difference. First operand 13254 states and 14957 transitions. Second operand 4 states. [2020-11-30 00:07:19,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:19,998 INFO L93 Difference]: Finished difference Result 31597 states and 35768 transitions. [2020-11-30 00:07:20,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:07:20,001 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 696 [2020-11-30 00:07:20,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:20,033 INFO L225 Difference]: With dead ends: 31597 [2020-11-30 00:07:20,034 INFO L226 Difference]: Without dead ends: 18345 [2020-11-30 00:07:20,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 694 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:07:20,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18345 states. [2020-11-30 00:07:20,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18345 to 15652. [2020-11-30 00:07:20,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15652 states. [2020-11-30 00:07:20,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15652 states to 15652 states and 17780 transitions. [2020-11-30 00:07:20,313 INFO L78 Accepts]: Start accepts. Automaton has 15652 states and 17780 transitions. Word has length 696 [2020-11-30 00:07:20,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:20,314 INFO L481 AbstractCegarLoop]: Abstraction has 15652 states and 17780 transitions. [2020-11-30 00:07:20,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:07:20,315 INFO L276 IsEmpty]: Start isEmpty. Operand 15652 states and 17780 transitions. [2020-11-30 00:07:20,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2020-11-30 00:07:20,332 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:20,332 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:07:20,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-30 00:07:20,557 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:07:20,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:20,558 INFO L82 PathProgramCache]: Analyzing trace with hash 327132629, now seen corresponding path program 1 times [2020-11-30 00:07:20,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:07:20,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516432743] [2020-11-30 00:07:20,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:07:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:21,284 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 562 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2020-11-30 00:07:21,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516432743] [2020-11-30 00:07:21,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:07:21,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:07:21,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283382294] [2020-11-30 00:07:21,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:07:21,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:21,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:07:21,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:07:21,295 INFO L87 Difference]: Start difference. First operand 15652 states and 17780 transitions. Second operand 3 states. [2020-11-30 00:07:24,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:24,591 INFO L93 Difference]: Finished difference Result 31299 states and 35555 transitions. [2020-11-30 00:07:24,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:07:24,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 714 [2020-11-30 00:07:24,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:24,618 INFO L225 Difference]: With dead ends: 31299 [2020-11-30 00:07:24,618 INFO L226 Difference]: Without dead ends: 15649 [2020-11-30 00:07:24,628 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 00:07:24,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15649 states. [2020-11-30 00:07:24,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15649 to 15648. [2020-11-30 00:07:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15648 states. [2020-11-30 00:07:24,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15648 states to 15648 states and 17773 transitions. [2020-11-30 00:07:24,876 INFO L78 Accepts]: Start accepts. Automaton has 15648 states and 17773 transitions. Word has length 714 [2020-11-30 00:07:24,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:24,877 INFO L481 AbstractCegarLoop]: Abstraction has 15648 states and 17773 transitions. [2020-11-30 00:07:24,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:07:24,877 INFO L276 IsEmpty]: Start isEmpty. Operand 15648 states and 17773 transitions. [2020-11-30 00:07:24,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2020-11-30 00:07:24,902 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:24,905 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:07:24,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-30 00:07:24,906 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:07:24,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:24,907 INFO L82 PathProgramCache]: Analyzing trace with hash 836479671, now seen corresponding path program 1 times [2020-11-30 00:07:24,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:07:24,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107374111] [2020-11-30 00:07:24,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:07:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 292 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:07:27,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107374111] [2020-11-30 00:07:27,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399622026] [2020-11-30 00:07:27,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/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 00:07:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:27,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:07:27,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:07:27,888 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2020-11-30 00:07:27,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:07:27,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2020-11-30 00:07:27,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409793085] [2020-11-30 00:07:27,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:07:27,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:27,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:07:27,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:07:27,891 INFO L87 Difference]: Start difference. First operand 15648 states and 17773 transitions. Second operand 3 states. [2020-11-30 00:07:32,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:32,327 INFO L93 Difference]: Finished difference Result 36392 states and 41556 transitions. [2020-11-30 00:07:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:07:32,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 722 [2020-11-30 00:07:32,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:32,364 INFO L225 Difference]: With dead ends: 36392 [2020-11-30 00:07:32,364 INFO L226 Difference]: Without dead ends: 20746 [2020-11-30 00:07:32,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 727 GetRequests, 721 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:07:32,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20746 states. [2020-11-30 00:07:32,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20746 to 20136. [2020-11-30 00:07:32,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20136 states. [2020-11-30 00:07:32,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20136 states to 20136 states and 22728 transitions. [2020-11-30 00:07:32,670 INFO L78 Accepts]: Start accepts. Automaton has 20136 states and 22728 transitions. Word has length 722 [2020-11-30 00:07:32,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:32,671 INFO L481 AbstractCegarLoop]: Abstraction has 20136 states and 22728 transitions. [2020-11-30 00:07:32,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:07:32,671 INFO L276 IsEmpty]: Start isEmpty. Operand 20136 states and 22728 transitions. [2020-11-30 00:07:32,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2020-11-30 00:07:32,691 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:32,692 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:07:32,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-11-30 00:07:32,914 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:07:32,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:32,914 INFO L82 PathProgramCache]: Analyzing trace with hash 771409366, now seen corresponding path program 1 times [2020-11-30 00:07:32,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:07:32,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668163651] [2020-11-30 00:07:32,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:07:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:33,886 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 643 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-11-30 00:07:33,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668163651] [2020-11-30 00:07:33,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:07:33,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:07:33,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835461578] [2020-11-30 00:07:33,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:07:33,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:33,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:07:33,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:07:33,890 INFO L87 Difference]: Start difference. First operand 20136 states and 22728 transitions. Second operand 4 states. [2020-11-30 00:07:40,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:40,403 INFO L93 Difference]: Finished difference Result 49247 states and 55230 transitions. [2020-11-30 00:07:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:07:40,405 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 733 [2020-11-30 00:07:40,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:40,447 INFO L225 Difference]: With dead ends: 49247 [2020-11-30 00:07:40,448 INFO L226 Difference]: Without dead ends: 29113 [2020-11-30 00:07:40,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:07:40,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29113 states. [2020-11-30 00:07:40,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29113 to 20136. [2020-11-30 00:07:40,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20136 states. [2020-11-30 00:07:40,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20136 states to 20136 states and 22728 transitions. [2020-11-30 00:07:40,847 INFO L78 Accepts]: Start accepts. Automaton has 20136 states and 22728 transitions. Word has length 733 [2020-11-30 00:07:40,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:40,848 INFO L481 AbstractCegarLoop]: Abstraction has 20136 states and 22728 transitions. [2020-11-30 00:07:40,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:07:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand 20136 states and 22728 transitions. [2020-11-30 00:07:40,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2020-11-30 00:07:40,871 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:40,872 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:07:40,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-30 00:07:40,873 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:07:40,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:40,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1559158981, now seen corresponding path program 1 times [2020-11-30 00:07:40,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:07:40,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354396085] [2020-11-30 00:07:40,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:07:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 651 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2020-11-30 00:07:41,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354396085] [2020-11-30 00:07:41,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:07:41,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:07:41,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863697790] [2020-11-30 00:07:41,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:07:41,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:41,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:07:41,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:07:41,841 INFO L87 Difference]: Start difference. First operand 20136 states and 22728 transitions. Second operand 3 states. [2020-11-30 00:07:45,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:45,543 INFO L93 Difference]: Finished difference Result 46262 states and 52149 transitions. [2020-11-30 00:07:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:07:45,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 760 [2020-11-30 00:07:45,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:45,573 INFO L225 Difference]: With dead ends: 46262 [2020-11-30 00:07:45,573 INFO L226 Difference]: Without dead ends: 23138 [2020-11-30 00:07:45,587 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 00:07:45,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23138 states. [2020-11-30 00:07:45,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23138 to 22839. [2020-11-30 00:07:45,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22839 states. [2020-11-30 00:07:46,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22839 states to 22839 states and 25272 transitions. [2020-11-30 00:07:46,084 INFO L78 Accepts]: Start accepts. Automaton has 22839 states and 25272 transitions. Word has length 760 [2020-11-30 00:07:46,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:46,085 INFO L481 AbstractCegarLoop]: Abstraction has 22839 states and 25272 transitions. [2020-11-30 00:07:46,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:07:46,085 INFO L276 IsEmpty]: Start isEmpty. Operand 22839 states and 25272 transitions. [2020-11-30 00:07:46,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2020-11-30 00:07:46,122 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:46,123 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:07:46,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-30 00:07:46,123 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:07:46,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:46,124 INFO L82 PathProgramCache]: Analyzing trace with hash 413962825, now seen corresponding path program 1 times [2020-11-30 00:07:46,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:07:46,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136565414] [2020-11-30 00:07:46,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:07:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:46,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 762 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2020-11-30 00:07:46,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136565414] [2020-11-30 00:07:46,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:07:46,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:07:46,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634516650] [2020-11-30 00:07:46,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:07:46,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:46,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:07:46,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:07:46,910 INFO L87 Difference]: Start difference. First operand 22839 states and 25272 transitions. Second operand 3 states. [2020-11-30 00:07:52,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:52,503 INFO L93 Difference]: Finished difference Result 48965 states and 54511 transitions. [2020-11-30 00:07:52,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:07:52,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 772 [2020-11-30 00:07:52,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:52,530 INFO L225 Difference]: With dead ends: 48965 [2020-11-30 00:07:52,530 INFO L226 Difference]: Without dead ends: 26128 [2020-11-30 00:07:52,542 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 00:07:52,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26128 states. [2020-11-30 00:07:52,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26128 to 25530. [2020-11-30 00:07:52,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25530 states. [2020-11-30 00:07:52,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25530 states to 25530 states and 27757 transitions. [2020-11-30 00:07:52,825 INFO L78 Accepts]: Start accepts. Automaton has 25530 states and 27757 transitions. Word has length 772 [2020-11-30 00:07:52,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:52,826 INFO L481 AbstractCegarLoop]: Abstraction has 25530 states and 27757 transitions. [2020-11-30 00:07:52,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:07:52,826 INFO L276 IsEmpty]: Start isEmpty. Operand 25530 states and 27757 transitions. [2020-11-30 00:07:52,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2020-11-30 00:07:52,844 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:52,845 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:07:52,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-30 00:07:52,845 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:07:52,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:52,846 INFO L82 PathProgramCache]: Analyzing trace with hash 708903184, now seen corresponding path program 1 times [2020-11-30 00:07:52,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:07:52,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970274163] [2020-11-30 00:07:52,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:07:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:53,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2020-11-30 00:07:53,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970274163] [2020-11-30 00:07:53,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:07:53,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:07:53,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182708715] [2020-11-30 00:07:53,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:07:53,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:53,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:07:53,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:07:53,586 INFO L87 Difference]: Start difference. First operand 25530 states and 27757 transitions. Second operand 3 states. [2020-11-30 00:08:00,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:08:00,228 INFO L93 Difference]: Finished difference Result 56158 states and 61109 transitions. [2020-11-30 00:08:00,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:08:00,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 773 [2020-11-30 00:08:00,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:08:00,261 INFO L225 Difference]: With dead ends: 56158 [2020-11-30 00:08:00,261 INFO L226 Difference]: Without dead ends: 30630 [2020-11-30 00:08:00,274 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 00:08:00,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30630 states. [2020-11-30 00:08:00,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30630 to 27919. [2020-11-30 00:08:00,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27919 states. [2020-11-30 00:08:00,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27919 states to 27919 states and 30400 transitions. [2020-11-30 00:08:00,583 INFO L78 Accepts]: Start accepts. Automaton has 27919 states and 30400 transitions. Word has length 773 [2020-11-30 00:08:00,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:08:00,584 INFO L481 AbstractCegarLoop]: Abstraction has 27919 states and 30400 transitions. [2020-11-30 00:08:00,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:08:00,584 INFO L276 IsEmpty]: Start isEmpty. Operand 27919 states and 30400 transitions. [2020-11-30 00:08:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2020-11-30 00:08:00,597 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:08:00,598 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:00,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-30 00:08:00,598 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:08:00,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:08:00,599 INFO L82 PathProgramCache]: Analyzing trace with hash -2082854568, now seen corresponding path program 1 times [2020-11-30 00:08:00,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:08:00,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131791284] [2020-11-30 00:08:00,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:08:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:02,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 647 proven. 188 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2020-11-30 00:08:02,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131791284] [2020-11-30 00:08:02,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272916719] [2020-11-30 00:08:02,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/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 00:08:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:03,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 00:08:03,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:08:04,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 62 proven. 615 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2020-11-30 00:08:04,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:08:04,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2020-11-30 00:08:04,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595110678] [2020-11-30 00:08:04,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 00:08:04,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:08:04,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 00:08:04,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:08:04,533 INFO L87 Difference]: Start difference. First operand 27919 states and 30400 transitions. Second operand 8 states. [2020-11-30 00:08:27,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:08:27,795 INFO L93 Difference]: Finished difference Result 78429 states and 85163 transitions. [2020-11-30 00:08:27,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-30 00:08:27,797 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 786 [2020-11-30 00:08:27,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:08:27,850 INFO L225 Difference]: With dead ends: 78429 [2020-11-30 00:08:27,850 INFO L226 Difference]: Without dead ends: 50512 [2020-11-30 00:08:27,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 783 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2020-11-30 00:08:27,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50512 states. [2020-11-30 00:08:28,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50512 to 42890. [2020-11-30 00:08:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42890 states. [2020-11-30 00:08:28,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42890 states to 42890 states and 46699 transitions. [2020-11-30 00:08:28,359 INFO L78 Accepts]: Start accepts. Automaton has 42890 states and 46699 transitions. Word has length 786 [2020-11-30 00:08:28,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:08:28,359 INFO L481 AbstractCegarLoop]: Abstraction has 42890 states and 46699 transitions. [2020-11-30 00:08:28,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 00:08:28,359 INFO L276 IsEmpty]: Start isEmpty. Operand 42890 states and 46699 transitions. [2020-11-30 00:08:28,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2020-11-30 00:08:28,375 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:08:28,376 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:28,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:08:28,592 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:08:28,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:08:28,592 INFO L82 PathProgramCache]: Analyzing trace with hash -595231865, now seen corresponding path program 1 times [2020-11-30 00:08:28,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:08:28,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627331518] [2020-11-30 00:08:28,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:08:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:29,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 589 proven. 0 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2020-11-30 00:08:29,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627331518] [2020-11-30 00:08:29,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:08:29,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:08:29,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346243502] [2020-11-30 00:08:29,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:08:29,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:08:29,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:08:29,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:08:29,434 INFO L87 Difference]: Start difference. First operand 42890 states and 46699 transitions. Second operand 3 states. [2020-11-30 00:08:35,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:08:35,219 INFO L93 Difference]: Finished difference Result 73456 states and 79930 transitions. [2020-11-30 00:08:35,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:08:35,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 808 [2020-11-30 00:08:35,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:08:35,251 INFO L225 Difference]: With dead ends: 73456 [2020-11-30 00:08:35,252 INFO L226 Difference]: Without dead ends: 29677 [2020-11-30 00:08:35,269 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 00:08:35,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29677 states. [2020-11-30 00:08:35,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29677 to 25192. [2020-11-30 00:08:35,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25192 states. [2020-11-30 00:08:35,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25192 states to 25192 states and 26252 transitions. [2020-11-30 00:08:35,571 INFO L78 Accepts]: Start accepts. Automaton has 25192 states and 26252 transitions. Word has length 808 [2020-11-30 00:08:35,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:08:35,572 INFO L481 AbstractCegarLoop]: Abstraction has 25192 states and 26252 transitions. [2020-11-30 00:08:35,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:08:35,572 INFO L276 IsEmpty]: Start isEmpty. Operand 25192 states and 26252 transitions. [2020-11-30 00:08:35,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 975 [2020-11-30 00:08:35,598 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:08:35,599 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 00:08:35,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-30 00:08:35,600 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:08:35,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:08:35,601 INFO L82 PathProgramCache]: Analyzing trace with hash -169066284, now seen corresponding path program 1 times [2020-11-30 00:08:35,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:08:35,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869034703] [2020-11-30 00:08:35,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:08:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:36,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 810 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2020-11-30 00:08:36,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869034703] [2020-11-30 00:08:36,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:08:36,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:08:36,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474030502] [2020-11-30 00:08:36,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:08:36,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:08:36,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:08:36,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:08:36,634 INFO L87 Difference]: Start difference. First operand 25192 states and 26252 transitions. Second operand 3 states. [2020-11-30 00:08:39,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:08:39,647 INFO L93 Difference]: Finished difference Result 47983 states and 50043 transitions. [2020-11-30 00:08:39,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:08:39,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 974 [2020-11-30 00:08:39,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:08:39,677 INFO L225 Difference]: With dead ends: 47983 [2020-11-30 00:08:39,677 INFO L226 Difference]: Without dead ends: 26088 [2020-11-30 00:08:39,688 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 00:08:39,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26088 states. [2020-11-30 00:08:40,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26088 to 24292. [2020-11-30 00:08:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24292 states. [2020-11-30 00:08:40,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24292 states to 24292 states and 25326 transitions. [2020-11-30 00:08:40,044 INFO L78 Accepts]: Start accepts. Automaton has 24292 states and 25326 transitions. Word has length 974 [2020-11-30 00:08:40,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:08:40,044 INFO L481 AbstractCegarLoop]: Abstraction has 24292 states and 25326 transitions. [2020-11-30 00:08:40,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:08:40,044 INFO L276 IsEmpty]: Start isEmpty. Operand 24292 states and 25326 transitions. [2020-11-30 00:08:40,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 997 [2020-11-30 00:08:40,071 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:08:40,072 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:08:40,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-30 00:08:40,072 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:08:40,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:08:40,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1204744502, now seen corresponding path program 1 times [2020-11-30 00:08:40,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:08:40,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805255992] [2020-11-30 00:08:40,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:08:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 908 proven. 0 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2020-11-30 00:08:41,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805255992] [2020-11-30 00:08:41,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:08:41,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:08:41,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708753109] [2020-11-30 00:08:41,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:08:41,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:08:41,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:08:41,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:08:41,427 INFO L87 Difference]: Start difference. First operand 24292 states and 25326 transitions. Second operand 3 states. [2020-11-30 00:08:44,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:08:44,741 INFO L93 Difference]: Finished difference Result 50082 states and 52251 transitions. [2020-11-30 00:08:44,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:08:44,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 996 [2020-11-30 00:08:44,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:08:44,774 INFO L225 Difference]: With dead ends: 50082 [2020-11-30 00:08:44,774 INFO L226 Difference]: Without dead ends: 29386 [2020-11-30 00:08:44,784 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 00:08:44,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29386 states. [2020-11-30 00:08:45,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29386 to 25189. [2020-11-30 00:08:45,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25189 states. [2020-11-30 00:08:45,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25189 states to 25189 states and 26303 transitions. [2020-11-30 00:08:45,088 INFO L78 Accepts]: Start accepts. Automaton has 25189 states and 26303 transitions. Word has length 996 [2020-11-30 00:08:45,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:08:45,089 INFO L481 AbstractCegarLoop]: Abstraction has 25189 states and 26303 transitions. [2020-11-30 00:08:45,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:08:45,089 INFO L276 IsEmpty]: Start isEmpty. Operand 25189 states and 26303 transitions. [2020-11-30 00:08:45,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 999 [2020-11-30 00:08:45,106 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:08:45,106 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 00:08:45,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-30 00:08:45,107 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:08:45,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:08:45,108 INFO L82 PathProgramCache]: Analyzing trace with hash -249282433, now seen corresponding path program 1 times [2020-11-30 00:08:45,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:08:45,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772437319] [2020-11-30 00:08:45,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:08:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 1260 proven. 263 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2020-11-30 00:08:47,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772437319] [2020-11-30 00:08:47,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656629752] [2020-11-30 00:08:47,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/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 00:08:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:08:47,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 00:08:47,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:08:48,002 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2020-11-30 00:08:48,005 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-30 00:08:48,009 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:08:48,030 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:08:48,038 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:08:49,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 1540 proven. 76 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2020-11-30 00:08:49,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:08:49,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-11-30 00:08:49,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903556385] [2020-11-30 00:08:49,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:08:49,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:08:49,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:08:49,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:08:49,026 INFO L87 Difference]: Start difference. First operand 25189 states and 26303 transitions. Second operand 7 states. [2020-11-30 00:09:00,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:09:00,260 INFO L93 Difference]: Finished difference Result 50660 states and 52871 transitions. [2020-11-30 00:09:00,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 00:09:00,263 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 998 [2020-11-30 00:09:00,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:09:00,291 INFO L225 Difference]: With dead ends: 50660 [2020-11-30 00:09:00,291 INFO L226 Difference]: Without dead ends: 29067 [2020-11-30 00:09:00,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1014 GetRequests, 1003 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-11-30 00:09:00,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29067 states. [2020-11-30 00:09:00,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29067 to 25488. [2020-11-30 00:09:00,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25488 states. [2020-11-30 00:09:00,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25488 states to 25488 states and 26600 transitions. [2020-11-30 00:09:00,704 INFO L78 Accepts]: Start accepts. Automaton has 25488 states and 26600 transitions. Word has length 998 [2020-11-30 00:09:00,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:09:00,705 INFO L481 AbstractCegarLoop]: Abstraction has 25488 states and 26600 transitions. [2020-11-30 00:09:00,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:09:00,705 INFO L276 IsEmpty]: Start isEmpty. Operand 25488 states and 26600 transitions. [2020-11-30 00:09:00,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1005 [2020-11-30 00:09:00,721 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:09:00,722 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:09:00,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-11-30 00:09:00,922 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:09:00,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:09:00,923 INFO L82 PathProgramCache]: Analyzing trace with hash -2142410645, now seen corresponding path program 1 times [2020-11-30 00:09:00,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:09:00,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779201083] [2020-11-30 00:09:00,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:09:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:09:03,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 1354 proven. 390 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2020-11-30 00:09:03,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779201083] [2020-11-30 00:09:03,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68903223] [2020-11-30 00:09:03,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/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 00:09:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:09:03,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 00:09:03,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:09:04,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 1477 proven. 0 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2020-11-30 00:09:04,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:09:04,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-30 00:09:04,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733910419] [2020-11-30 00:09:04,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:09:04,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:09:04,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:09:04,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:09:04,473 INFO L87 Difference]: Start difference. First operand 25488 states and 26600 transitions. Second operand 3 states. [2020-11-30 00:09:07,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:09:07,817 INFO L93 Difference]: Finished difference Result 50082 states and 52265 transitions. [2020-11-30 00:09:07,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:09:07,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1004 [2020-11-30 00:09:07,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:09:07,849 INFO L225 Difference]: With dead ends: 50082 [2020-11-30 00:09:07,849 INFO L226 Difference]: Without dead ends: 28190 [2020-11-30 00:09:07,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1008 GetRequests, 1004 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:09:07,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28190 states. [2020-11-30 00:09:08,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28190 to 25488. [2020-11-30 00:09:08,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25488 states. [2020-11-30 00:09:08,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25488 states to 25488 states and 26588 transitions. [2020-11-30 00:09:08,273 INFO L78 Accepts]: Start accepts. Automaton has 25488 states and 26588 transitions. Word has length 1004 [2020-11-30 00:09:08,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:09:08,274 INFO L481 AbstractCegarLoop]: Abstraction has 25488 states and 26588 transitions. [2020-11-30 00:09:08,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:09:08,274 INFO L276 IsEmpty]: Start isEmpty. Operand 25488 states and 26588 transitions. [2020-11-30 00:09:08,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1011 [2020-11-30 00:09:08,305 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:09:08,306 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:09:08,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:09:08,509 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:09:08,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:09:08,510 INFO L82 PathProgramCache]: Analyzing trace with hash 37540825, now seen corresponding path program 1 times [2020-11-30 00:09:08,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:09:08,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516574245] [2020-11-30 00:09:08,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:09:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:09:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 1032 proven. 0 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked. [2020-11-30 00:09:09,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516574245] [2020-11-30 00:09:09,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:09:09,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:09:09,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430332375] [2020-11-30 00:09:09,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:09:09,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:09:09,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:09:09,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:09:09,862 INFO L87 Difference]: Start difference. First operand 25488 states and 26588 transitions. Second operand 4 states. [2020-11-30 00:09:15,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:09:15,086 INFO L93 Difference]: Finished difference Result 32084 states and 33375 transitions. [2020-11-30 00:09:15,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:09:15,091 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1010 [2020-11-30 00:09:15,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:09:15,122 INFO L225 Difference]: With dead ends: 32084 [2020-11-30 00:09:15,122 INFO L226 Difference]: Without dead ends: 32082 [2020-11-30 00:09:15,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:09:15,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32082 states. [2020-11-30 00:09:15,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32082 to 29682. [2020-11-30 00:09:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29682 states. [2020-11-30 00:09:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29682 states to 29682 states and 30940 transitions. [2020-11-30 00:09:15,471 INFO L78 Accepts]: Start accepts. Automaton has 29682 states and 30940 transitions. Word has length 1010 [2020-11-30 00:09:15,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:09:15,472 INFO L481 AbstractCegarLoop]: Abstraction has 29682 states and 30940 transitions. [2020-11-30 00:09:15,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:09:15,472 INFO L276 IsEmpty]: Start isEmpty. Operand 29682 states and 30940 transitions. [2020-11-30 00:09:15,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1077 [2020-11-30 00:09:15,490 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:09:15,490 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:09:15,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-30 00:09:15,491 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:09:15,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:09:15,491 INFO L82 PathProgramCache]: Analyzing trace with hash -16338702, now seen corresponding path program 1 times [2020-11-30 00:09:15,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:09:15,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231897092] [2020-11-30 00:09:15,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:09:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:09:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1946 backedges. 1293 proven. 0 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2020-11-30 00:09:16,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231897092] [2020-11-30 00:09:16,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:09:16,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:09:16,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002457389] [2020-11-30 00:09:16,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:09:16,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:09:16,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:09:16,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:09:16,995 INFO L87 Difference]: Start difference. First operand 29682 states and 30940 transitions. Second operand 4 states. [2020-11-30 00:09:22,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:09:22,145 INFO L93 Difference]: Finished difference Result 33279 states and 34622 transitions. [2020-11-30 00:09:22,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:09:22,146 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1076 [2020-11-30 00:09:22,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:09:22,147 INFO L225 Difference]: With dead ends: 33279 [2020-11-30 00:09:22,147 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:09:22,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:09:22,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:09:22,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:09:22,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:09:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:09:22,153 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1076 [2020-11-30 00:09:22,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:09:22,154 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:09:22,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:09:22,154 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:09:22,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:09:22,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-11-30 00:09:22,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:09:25,425 WARN L193 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 1083 DAG size of output: 744 [2020-11-30 00:09:26,614 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 626 DAG size of output: 447 [2020-11-30 00:09:29,196 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 1080 DAG size of output: 741 [2020-11-30 00:09:37,969 WARN L193 SmtUtils]: Spent 8.77 s on a formula simplification. DAG size of input: 710 DAG size of output: 72 [2020-11-30 00:09:43,672 WARN L193 SmtUtils]: Spent 5.70 s on a formula simplification. DAG size of input: 431 DAG size of output: 70 [2020-11-30 00:09:52,230 WARN L193 SmtUtils]: Spent 8.55 s on a formula simplification. DAG size of input: 707 DAG size of output: 72 [2020-11-30 00:09:52,236 INFO L274 CegarLoopResult]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,236 INFO L274 CegarLoopResult]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,236 INFO L274 CegarLoopResult]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,236 INFO L274 CegarLoopResult]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2020-11-30 00:09:52,236 INFO L274 CegarLoopResult]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,236 INFO L274 CegarLoopResult]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,236 INFO L274 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-11-30 00:09:52,236 INFO L274 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-11-30 00:09:52,236 INFO L274 CegarLoopResult]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,236 INFO L274 CegarLoopResult]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,237 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,237 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-30 00:09:52,237 INFO L274 CegarLoopResult]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,237 INFO L274 CegarLoopResult]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,237 INFO L274 CegarLoopResult]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,237 INFO L274 CegarLoopResult]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,237 INFO L274 CegarLoopResult]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,237 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-30 00:09:52,237 INFO L274 CegarLoopResult]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,237 INFO L274 CegarLoopResult]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,238 INFO L274 CegarLoopResult]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2020-11-30 00:09:52,238 INFO L274 CegarLoopResult]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2020-11-30 00:09:52,238 INFO L274 CegarLoopResult]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,238 INFO L274 CegarLoopResult]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,238 INFO L274 CegarLoopResult]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2020-11-30 00:09:52,238 INFO L274 CegarLoopResult]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,238 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-30 00:09:52,238 INFO L274 CegarLoopResult]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,238 INFO L274 CegarLoopResult]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2020-11-30 00:09:52,238 INFO L274 CegarLoopResult]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2020-11-30 00:09:52,238 INFO L274 CegarLoopResult]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,239 INFO L274 CegarLoopResult]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,239 INFO L274 CegarLoopResult]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2020-11-30 00:09:52,239 INFO L274 CegarLoopResult]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2020-11-30 00:09:52,239 INFO L274 CegarLoopResult]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,239 INFO L274 CegarLoopResult]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,239 INFO L274 CegarLoopResult]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,239 INFO L274 CegarLoopResult]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,239 INFO L274 CegarLoopResult]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,239 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-30 00:09:52,239 INFO L274 CegarLoopResult]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,239 INFO L274 CegarLoopResult]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,240 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,240 INFO L274 CegarLoopResult]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,240 INFO L274 CegarLoopResult]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,240 INFO L274 CegarLoopResult]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,240 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-30 00:09:52,240 INFO L274 CegarLoopResult]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,240 INFO L274 CegarLoopResult]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,240 INFO L274 CegarLoopResult]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,240 INFO L274 CegarLoopResult]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2020-11-30 00:09:52,240 INFO L274 CegarLoopResult]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,240 INFO L274 CegarLoopResult]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,240 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-30 00:09:52,241 INFO L274 CegarLoopResult]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,241 INFO L274 CegarLoopResult]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,241 INFO L274 CegarLoopResult]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,241 INFO L274 CegarLoopResult]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,241 INFO L274 CegarLoopResult]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,241 INFO L274 CegarLoopResult]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,241 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-30 00:09:52,241 INFO L274 CegarLoopResult]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,241 INFO L274 CegarLoopResult]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,241 INFO L274 CegarLoopResult]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,241 INFO L274 CegarLoopResult]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,242 INFO L274 CegarLoopResult]: For program point L652(lines 652 661) no Hoare annotation was computed. [2020-11-30 00:09:52,242 INFO L274 CegarLoopResult]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2020-11-30 00:09:52,242 INFO L274 CegarLoopResult]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,242 INFO L274 CegarLoopResult]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,242 INFO L274 CegarLoopResult]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,242 INFO L274 CegarLoopResult]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,242 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-30 00:09:52,242 INFO L274 CegarLoopResult]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2020-11-30 00:09:52,242 INFO L274 CegarLoopResult]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,242 INFO L274 CegarLoopResult]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,242 INFO L274 CegarLoopResult]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,243 INFO L274 CegarLoopResult]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,243 INFO L274 CegarLoopResult]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,243 INFO L274 CegarLoopResult]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2020-11-30 00:09:52,243 INFO L274 CegarLoopResult]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,243 INFO L274 CegarLoopResult]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2020-11-30 00:09:52,243 INFO L274 CegarLoopResult]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2020-11-30 00:09:52,243 INFO L274 CegarLoopResult]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2020-11-30 00:09:52,243 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-30 00:09:52,243 INFO L274 CegarLoopResult]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,243 INFO L274 CegarLoopResult]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,243 INFO L274 CegarLoopResult]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,243 INFO L274 CegarLoopResult]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,244 INFO L274 CegarLoopResult]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,244 INFO L274 CegarLoopResult]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2020-11-30 00:09:52,244 INFO L274 CegarLoopResult]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,244 INFO L274 CegarLoopResult]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,244 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-30 00:09:52,244 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:09:52,244 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-11-30 00:09:52,244 INFO L274 CegarLoopResult]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,244 INFO L274 CegarLoopResult]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2020-11-30 00:09:52,244 INFO L274 CegarLoopResult]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,244 INFO L274 CegarLoopResult]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,244 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,245 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-30 00:09:52,245 INFO L274 CegarLoopResult]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,245 INFO L274 CegarLoopResult]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2020-11-30 00:09:52,245 INFO L274 CegarLoopResult]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2020-11-30 00:09:52,245 INFO L274 CegarLoopResult]: For program point L531(lines 531 538) no Hoare annotation was computed. [2020-11-30 00:09:52,245 INFO L274 CegarLoopResult]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2020-11-30 00:09:52,245 INFO L274 CegarLoopResult]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2020-11-30 00:09:52,245 INFO L274 CegarLoopResult]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2020-11-30 00:09:52,245 INFO L274 CegarLoopResult]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,245 INFO L274 CegarLoopResult]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,245 INFO L274 CegarLoopResult]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,245 INFO L274 CegarLoopResult]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,245 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-11-30 00:09:52,246 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-11-30 00:09:52,246 INFO L274 CegarLoopResult]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,246 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-30 00:09:52,246 INFO L274 CegarLoopResult]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,246 INFO L274 CegarLoopResult]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,246 INFO L274 CegarLoopResult]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,246 INFO L274 CegarLoopResult]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,246 INFO L274 CegarLoopResult]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,246 INFO L274 CegarLoopResult]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,246 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-30 00:09:52,246 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,246 INFO L274 CegarLoopResult]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,246 INFO L274 CegarLoopResult]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,246 INFO L274 CegarLoopResult]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,247 INFO L274 CegarLoopResult]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,247 INFO L274 CegarLoopResult]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2020-11-30 00:09:52,247 INFO L274 CegarLoopResult]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2020-11-30 00:09:52,247 INFO L274 CegarLoopResult]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,247 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-30 00:09:52,247 INFO L274 CegarLoopResult]: For program point L804(lines 804 813) no Hoare annotation was computed. [2020-11-30 00:09:52,247 INFO L274 CegarLoopResult]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2020-11-30 00:09:52,247 INFO L274 CegarLoopResult]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,247 INFO L274 CegarLoopResult]: For program point L540(lines 540 551) no Hoare annotation was computed. [2020-11-30 00:09:52,247 INFO L274 CegarLoopResult]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2020-11-30 00:09:52,247 INFO L274 CegarLoopResult]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,247 INFO L274 CegarLoopResult]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,247 INFO L274 CegarLoopResult]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,247 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-11-30 00:09:52,248 INFO L274 CegarLoopResult]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,248 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-30 00:09:52,248 INFO L274 CegarLoopResult]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2020-11-30 00:09:52,248 INFO L274 CegarLoopResult]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,248 INFO L274 CegarLoopResult]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,248 INFO L274 CegarLoopResult]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,248 INFO L274 CegarLoopResult]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2020-11-30 00:09:52,248 INFO L274 CegarLoopResult]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2020-11-30 00:09:52,248 INFO L274 CegarLoopResult]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,248 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-30 00:09:52,248 INFO L274 CegarLoopResult]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,248 INFO L274 CegarLoopResult]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,248 INFO L274 CegarLoopResult]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,248 INFO L274 CegarLoopResult]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,249 INFO L274 CegarLoopResult]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,249 INFO L274 CegarLoopResult]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,249 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-30 00:09:52,249 INFO L274 CegarLoopResult]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,249 INFO L274 CegarLoopResult]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,249 INFO L274 CegarLoopResult]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2020-11-30 00:09:52,252 INFO L274 CegarLoopResult]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,253 INFO L274 CegarLoopResult]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,253 INFO L274 CegarLoopResult]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,253 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,253 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-30 00:09:52,253 INFO L274 CegarLoopResult]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,253 INFO L274 CegarLoopResult]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,253 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,254 INFO L274 CegarLoopResult]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,254 INFO L274 CegarLoopResult]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,254 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-30 00:09:52,254 INFO L274 CegarLoopResult]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,254 INFO L274 CegarLoopResult]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,254 INFO L274 CegarLoopResult]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,254 INFO L274 CegarLoopResult]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,255 INFO L274 CegarLoopResult]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2020-11-30 00:09:52,255 INFO L274 CegarLoopResult]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,255 INFO L274 CegarLoopResult]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,255 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:09:52,255 INFO L274 CegarLoopResult]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,255 INFO L274 CegarLoopResult]: For program point L557(lines 557 566) no Hoare annotation was computed. [2020-11-30 00:09:52,255 INFO L274 CegarLoopResult]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2020-11-30 00:09:52,255 INFO L274 CegarLoopResult]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,256 INFO L274 CegarLoopResult]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,256 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-30 00:09:52,256 INFO L274 CegarLoopResult]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,256 INFO L274 CegarLoopResult]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,256 INFO L274 CegarLoopResult]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,256 INFO L274 CegarLoopResult]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,256 INFO L274 CegarLoopResult]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,257 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-30 00:09:52,257 INFO L274 CegarLoopResult]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,257 INFO L274 CegarLoopResult]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,257 INFO L274 CegarLoopResult]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,257 INFO L274 CegarLoopResult]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,257 INFO L274 CegarLoopResult]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,257 INFO L274 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-11-30 00:09:52,258 INFO L274 CegarLoopResult]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,258 INFO L274 CegarLoopResult]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,258 INFO L274 CegarLoopResult]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2020-11-30 00:09:52,258 INFO L274 CegarLoopResult]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,258 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-30 00:09:52,258 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-30 00:09:52,258 INFO L274 CegarLoopResult]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,258 INFO L274 CegarLoopResult]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,259 INFO L274 CegarLoopResult]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,259 INFO L274 CegarLoopResult]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,259 INFO L274 CegarLoopResult]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,259 INFO L274 CegarLoopResult]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2020-11-30 00:09:52,259 INFO L274 CegarLoopResult]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2020-11-30 00:09:52,259 INFO L274 CegarLoopResult]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,259 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-30 00:09:52,260 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-30 00:09:52,260 INFO L274 CegarLoopResult]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,260 INFO L274 CegarLoopResult]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,260 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,260 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,260 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,260 INFO L274 CegarLoopResult]: For program point L568(lines 568 578) no Hoare annotation was computed. [2020-11-30 00:09:52,260 INFO L274 CegarLoopResult]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2020-11-30 00:09:52,261 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2020-11-30 00:09:52,261 INFO L274 CegarLoopResult]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2020-11-30 00:09:52,261 INFO L274 CegarLoopResult]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,261 INFO L274 CegarLoopResult]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,261 INFO L274 CegarLoopResult]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,261 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-30 00:09:52,261 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-30 00:09:52,262 INFO L274 CegarLoopResult]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,262 INFO L274 CegarLoopResult]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2020-11-30 00:09:52,262 INFO L274 CegarLoopResult]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,262 INFO L274 CegarLoopResult]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,262 INFO L274 CegarLoopResult]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,262 INFO L274 CegarLoopResult]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,262 INFO L274 CegarLoopResult]: For program point L704(lines 704 716) no Hoare annotation was computed. [2020-11-30 00:09:52,262 INFO L274 CegarLoopResult]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2020-11-30 00:09:52,263 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-30 00:09:52,263 INFO L274 CegarLoopResult]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,263 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-30 00:09:52,263 INFO L274 CegarLoopResult]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,263 INFO L274 CegarLoopResult]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,263 INFO L274 CegarLoopResult]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,263 INFO L274 CegarLoopResult]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,263 INFO L274 CegarLoopResult]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,264 INFO L274 CegarLoopResult]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,264 INFO L274 CegarLoopResult]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,264 INFO L274 CegarLoopResult]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,264 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-30 00:09:52,264 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-30 00:09:52,264 INFO L274 CegarLoopResult]: For program point L840(lines 840 849) no Hoare annotation was computed. [2020-11-30 00:09:52,264 INFO L274 CegarLoopResult]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2020-11-30 00:09:52,265 INFO L274 CegarLoopResult]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,265 INFO L274 CegarLoopResult]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,265 INFO L274 CegarLoopResult]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,265 INFO L274 CegarLoopResult]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,266 INFO L270 CegarLoopResult]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse9 (= 2 ~a2~0))) (let ((.cse7 (not .cse9)) (.cse2 (<= (+ ~a29~0 16) 0)) (.cse1 (<= (+ ~a4~0 89) 0)) (.cse11 (<= (+ ~a0~0 366639) 0)) (.cse10 (= 3 ~a2~0)) (.cse12 (<= ~a29~0 42)) (.cse3 (<= 0 (+ ~a0~0 599999))) (.cse4 (<= (+ ~a4~0 42) 0)) (.cse0 (< 0 (+ (div (+ ~a29~0 (- 44)) 299978) 1))) (.cse13 (= ~a2~0 1)) (.cse5 (< 0 (+ ~a4~0 86))) (.cse8 (<= 0 (+ ~a0~0 600001))) (.cse6 (<= (+ ~a0~0 98) 0))) (or (and (or (and .cse0 .cse1) (and .cse2 .cse1)) .cse3) (and .cse4 .cse5 .cse6 .cse3) (and .cse1 .cse7) (and .cse4 .cse5 .cse8 .cse9 .cse6) (and (< 0 (+ ~a0~0 147)) .cse1) (and .cse4 .cse0 .cse7 .cse6 .cse3) (and .cse4 .cse2 .cse5 (= ~a2~0 4) .cse6) (and .cse4 .cse2 .cse10 .cse11) (and .cse1 (<= (+ ~a29~0 127) 0)) (and .cse4 .cse10 .cse12 .cse11 .cse3) (and .cse4 .cse0 .cse5 .cse10 .cse6) (and .cse4 .cse13 .cse5 .cse12 .cse3) (and .cse4 .cse0 .cse13 .cse5 .cse8 .cse6)))) [2020-11-30 00:09:52,266 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-30 00:09:52,266 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-30 00:09:52,266 INFO L274 CegarLoopResult]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,266 INFO L274 CegarLoopResult]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,266 INFO L274 CegarLoopResult]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,266 INFO L274 CegarLoopResult]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,267 INFO L274 CegarLoopResult]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,267 INFO L274 CegarLoopResult]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,267 INFO L274 CegarLoopResult]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,267 INFO L274 CegarLoopResult]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2020-11-30 00:09:52,267 INFO L274 CegarLoopResult]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,267 INFO L274 CegarLoopResult]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2020-11-30 00:09:52,267 INFO L277 CegarLoopResult]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2020-11-30 00:09:52,268 INFO L274 CegarLoopResult]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,268 INFO L274 CegarLoopResult]: For program point L317(lines 317 329) no Hoare annotation was computed. [2020-11-30 00:09:52,268 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2020-11-30 00:09:52,268 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-30 00:09:52,268 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-30 00:09:52,268 INFO L274 CegarLoopResult]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,268 INFO L274 CegarLoopResult]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,268 INFO L274 CegarLoopResult]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,269 INFO L274 CegarLoopResult]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,269 INFO L274 CegarLoopResult]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,269 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-30 00:09:52,269 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-30 00:09:52,269 INFO L274 CegarLoopResult]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,269 INFO L274 CegarLoopResult]: For program point L585(lines 585 596) no Hoare annotation was computed. [2020-11-30 00:09:52,269 INFO L274 CegarLoopResult]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2020-11-30 00:09:52,270 INFO L274 CegarLoopResult]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,270 INFO L274 CegarLoopResult]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,270 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:09:52,270 INFO L274 CegarLoopResult]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,270 INFO L274 CegarLoopResult]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,270 INFO L274 CegarLoopResult]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,270 INFO L274 CegarLoopResult]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,271 INFO L270 CegarLoopResult]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse8 (= 2 ~a2~0))) (let ((.cse9 (not .cse8)) (.cse2 (<= (+ ~a29~0 16) 0)) (.cse1 (<= (+ ~a4~0 89) 0)) (.cse11 (<= (+ ~a0~0 366639) 0)) (.cse10 (= 3 ~a2~0)) (.cse12 (<= ~a29~0 42)) (.cse3 (<= 0 (+ ~a0~0 599999))) (.cse4 (<= (+ ~a4~0 42) 0)) (.cse0 (< 0 (+ (div (+ ~a29~0 (- 44)) 299978) 1))) (.cse13 (= ~a2~0 1)) (.cse5 (< 0 (+ ~a4~0 86))) (.cse7 (<= 0 (+ ~a0~0 600001))) (.cse6 (<= (+ ~a0~0 98) 0))) (or (and (or (and .cse0 .cse1) (and .cse2 .cse1)) .cse3) (and .cse4 .cse5 .cse6 .cse3) (and .cse4 .cse5 .cse7 .cse8 .cse6) (and .cse1 .cse9) (and (< 0 (+ ~a0~0 147)) .cse1) (and .cse4 .cse0 .cse9 .cse6 .cse3) (and .cse4 .cse2 .cse5 (= ~a2~0 4) .cse6) (and .cse4 .cse2 .cse10 .cse11) (and .cse1 (<= (+ ~a29~0 127) 0)) (and .cse4 .cse10 .cse12 .cse11 .cse3) (and .cse4 .cse0 .cse5 .cse10 .cse6) (and .cse4 .cse13 .cse5 .cse12 .cse3) (and .cse4 .cse0 .cse13 .cse5 .cse7 .cse6)))) [2020-11-30 00:09:52,271 INFO L274 CegarLoopResult]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,271 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-30 00:09:52,271 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-30 00:09:52,271 INFO L274 CegarLoopResult]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,271 INFO L274 CegarLoopResult]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,272 INFO L274 CegarLoopResult]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,272 INFO L274 CegarLoopResult]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,272 INFO L274 CegarLoopResult]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,272 INFO L274 CegarLoopResult]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,272 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-30 00:09:52,272 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-30 00:09:52,272 INFO L274 CegarLoopResult]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,272 INFO L274 CegarLoopResult]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,273 INFO L274 CegarLoopResult]: For program point L1781(line 1781) no Hoare annotation was computed. [2020-11-30 00:09:52,273 INFO L274 CegarLoopResult]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,273 INFO L274 CegarLoopResult]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,273 INFO L274 CegarLoopResult]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,273 INFO L274 CegarLoopResult]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,273 INFO L274 CegarLoopResult]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,273 INFO L274 CegarLoopResult]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,273 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-30 00:09:52,274 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-30 00:09:52,274 INFO L274 CegarLoopResult]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,274 INFO L274 CegarLoopResult]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,274 INFO L274 CegarLoopResult]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,274 INFO L274 CegarLoopResult]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,274 INFO L274 CegarLoopResult]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,274 INFO L274 CegarLoopResult]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,275 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-30 00:09:52,275 INFO L274 CegarLoopResult]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,275 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-30 00:09:52,275 INFO L274 CegarLoopResult]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,275 INFO L274 CegarLoopResult]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,275 INFO L274 CegarLoopResult]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,275 INFO L274 CegarLoopResult]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,275 INFO L274 CegarLoopResult]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,276 INFO L274 CegarLoopResult]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,276 INFO L274 CegarLoopResult]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,276 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-30 00:09:52,276 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-30 00:09:52,276 INFO L274 CegarLoopResult]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,276 INFO L274 CegarLoopResult]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,276 INFO L274 CegarLoopResult]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,276 INFO L274 CegarLoopResult]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,277 INFO L274 CegarLoopResult]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,277 INFO L274 CegarLoopResult]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,277 INFO L274 CegarLoopResult]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,277 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-30 00:09:52,277 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-30 00:09:52,277 INFO L274 CegarLoopResult]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,277 INFO L274 CegarLoopResult]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,277 INFO L274 CegarLoopResult]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,278 INFO L274 CegarLoopResult]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,278 INFO L274 CegarLoopResult]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,278 INFO L274 CegarLoopResult]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,278 INFO L274 CegarLoopResult]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,278 INFO L274 CegarLoopResult]: For program point L605(lines 605 615) no Hoare annotation was computed. [2020-11-30 00:09:52,278 INFO L274 CegarLoopResult]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2020-11-30 00:09:52,278 INFO L274 CegarLoopResult]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,278 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-30 00:09:52,279 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-30 00:09:52,279 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,279 INFO L274 CegarLoopResult]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,279 INFO L274 CegarLoopResult]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,279 INFO L274 CegarLoopResult]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,279 INFO L274 CegarLoopResult]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,279 INFO L274 CegarLoopResult]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,280 INFO L270 CegarLoopResult]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse8 (= 2 ~a2~0))) (let ((.cse9 (not .cse8)) (.cse2 (<= (+ ~a29~0 16) 0)) (.cse1 (<= (+ ~a4~0 89) 0)) (.cse11 (<= (+ ~a0~0 366639) 0)) (.cse10 (= 3 ~a2~0)) (.cse12 (<= ~a29~0 42)) (.cse3 (<= 0 (+ ~a0~0 599999))) (.cse4 (<= (+ ~a4~0 42) 0)) (.cse0 (< 0 (+ (div (+ ~a29~0 (- 44)) 299978) 1))) (.cse13 (= ~a2~0 1)) (.cse5 (< 0 (+ ~a4~0 86))) (.cse7 (<= 0 (+ ~a0~0 600001))) (.cse6 (<= (+ ~a0~0 98) 0))) (or (and (or (and .cse0 .cse1) (and .cse2 .cse1)) .cse3) (and .cse4 .cse5 .cse6 .cse3) (and .cse4 .cse5 .cse7 .cse8 .cse6) (and .cse1 .cse9) (and (< 0 (+ ~a0~0 147)) .cse1) (and .cse4 .cse0 .cse9 .cse6 .cse3) (and .cse4 .cse2 .cse5 (= ~a2~0 4) .cse6) (and .cse4 .cse2 .cse10 .cse11) (and .cse1 (<= (+ ~a29~0 127) 0)) (and .cse4 .cse10 .cse12 .cse11 .cse3) (and .cse4 .cse0 .cse5 .cse10 .cse6) (and .cse4 .cse13 .cse5 .cse12 .cse3) (and .cse4 .cse0 .cse13 .cse5 .cse7 .cse6)))) [2020-11-30 00:09:52,280 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-30 00:09:52,280 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-30 00:09:52,280 INFO L274 CegarLoopResult]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,280 INFO L274 CegarLoopResult]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,280 INFO L274 CegarLoopResult]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,281 INFO L274 CegarLoopResult]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,281 INFO L274 CegarLoopResult]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,281 INFO L274 CegarLoopResult]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,281 INFO L274 CegarLoopResult]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,281 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,281 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-11-30 00:09:52,281 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-30 00:09:52,281 INFO L274 CegarLoopResult]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,282 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2020-11-30 00:09:52,282 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2020-11-30 00:09:52,282 INFO L274 CegarLoopResult]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,282 INFO L274 CegarLoopResult]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,282 INFO L274 CegarLoopResult]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,282 INFO L274 CegarLoopResult]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,282 INFO L274 CegarLoopResult]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,283 INFO L274 CegarLoopResult]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2020-11-30 00:09:52,283 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:09:52,283 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-30 00:09:52,283 INFO L274 CegarLoopResult]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,283 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,283 INFO L274 CegarLoopResult]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,283 INFO L274 CegarLoopResult]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,283 INFO L274 CegarLoopResult]: For program point L352(lines 352 359) no Hoare annotation was computed. [2020-11-30 00:09:52,284 INFO L274 CegarLoopResult]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2020-11-30 00:09:52,284 INFO L274 CegarLoopResult]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2020-11-30 00:09:52,284 INFO L274 CegarLoopResult]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,284 INFO L274 CegarLoopResult]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2020-11-30 00:09:52,284 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-30 00:09:52,284 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,284 INFO L274 CegarLoopResult]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,284 INFO L274 CegarLoopResult]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,285 INFO L274 CegarLoopResult]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,285 INFO L274 CegarLoopResult]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,285 INFO L274 CegarLoopResult]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,285 INFO L274 CegarLoopResult]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,285 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-30 00:09:52,285 INFO L274 CegarLoopResult]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2020-11-30 00:09:52,285 INFO L274 CegarLoopResult]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,285 INFO L274 CegarLoopResult]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,286 INFO L274 CegarLoopResult]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,286 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-30 00:09:52,286 INFO L274 CegarLoopResult]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,286 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,286 INFO L274 CegarLoopResult]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2020-11-30 00:09:52,286 INFO L274 CegarLoopResult]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,286 INFO L274 CegarLoopResult]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,286 INFO L274 CegarLoopResult]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,287 INFO L274 CegarLoopResult]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,287 INFO L274 CegarLoopResult]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,287 INFO L274 CegarLoopResult]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,287 INFO L274 CegarLoopResult]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,287 INFO L274 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-11-30 00:09:52,287 INFO L274 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-11-30 00:09:52,287 INFO L274 CegarLoopResult]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,287 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-30 00:09:52,288 INFO L274 CegarLoopResult]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,288 INFO L274 CegarLoopResult]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:09:52,288 INFO L274 CegarLoopResult]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,288 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-30 00:09:52,288 INFO L274 CegarLoopResult]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2020-11-30 00:09:52,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:09:52 BoogieIcfgContainer [2020-11-30 00:09:52,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:09:52,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:09:52,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:09:52,325 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:09:52,326 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:06:15" (3/4) ... [2020-11-30 00:09:52,329 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:09:52,379 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-30 00:09:52,382 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:09:52,386 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:09:52,390 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:09:52,650 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bc2afa9a-dac6-4f8f-be56-15176ac6c473/bin/uautomizer/witness.graphml [2020-11-30 00:09:52,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:09:52,651 INFO L168 Benchmark]: Toolchain (without parser) took 224058.71 ms. Allocated memory was 104.9 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 76.8 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 563.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:09:52,651 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 104.9 MB. Free memory was 63.8 MB in the beginning and 63.7 MB in the end (delta: 117.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:09:52,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1575.03 ms. Allocated memory was 104.9 MB in the beginning and 140.5 MB in the end (delta: 35.7 MB). Free memory was 76.4 MB in the beginning and 88.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:09:52,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 305.62 ms. Allocated memory is still 140.5 MB. Free memory was 88.8 MB in the beginning and 86.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:09:52,652 INFO L168 Benchmark]: Boogie Preprocessor took 333.65 ms. Allocated memory is still 140.5 MB. Free memory was 86.2 MB in the beginning and 71.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:09:52,653 INFO L168 Benchmark]: RCFGBuilder took 4815.49 ms. Allocated memory was 140.5 MB in the beginning and 320.9 MB in the end (delta: 180.4 MB). Free memory was 71.6 MB in the beginning and 244.5 MB in the end (delta: -172.9 MB). Peak memory consumption was 74.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:09:52,653 INFO L168 Benchmark]: TraceAbstraction took 216691.44 ms. Allocated memory was 320.9 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 243.5 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. [2020-11-30 00:09:52,654 INFO L168 Benchmark]: Witness Printer took 325.07 ms. Allocated memory is still 2.7 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 43.5 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:09:52,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 104.9 MB. Free memory was 63.8 MB in the beginning and 63.7 MB in the end (delta: 117.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1575.03 ms. Allocated memory was 104.9 MB in the beginning and 140.5 MB in the end (delta: 35.7 MB). Free memory was 76.4 MB in the beginning and 88.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 305.62 ms. Allocated memory is still 140.5 MB. Free memory was 88.8 MB in the beginning and 86.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 333.65 ms. Allocated memory is still 140.5 MB. Free memory was 86.2 MB in the beginning and 71.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4815.49 ms. Allocated memory was 140.5 MB in the beginning and 320.9 MB in the end (delta: 180.4 MB). Free memory was 71.6 MB in the beginning and 244.5 MB in the end (delta: -172.9 MB). Peak memory consumption was 74.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 216691.44 ms. Allocated memory was 320.9 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 243.5 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. * Witness Printer took 325.07 ms. Allocated memory is still 2.7 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 43.5 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: 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: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((0 < (a29 + -44) / 299978 + 1 && a4 + 89 <= 0) || (a29 + 16 <= 0 && a4 + 89 <= 0)) && 0 <= a0 + 599999) || (((a4 + 42 <= 0 && 0 < a4 + 86) && a0 + 98 <= 0) && 0 <= a0 + 599999)) || ((((a4 + 42 <= 0 && 0 < a4 + 86) && 0 <= a0 + 600001) && 2 == a2) && a0 + 98 <= 0)) || (a4 + 89 <= 0 && !(2 == a2))) || (0 < a0 + 147 && a4 + 89 <= 0)) || ((((a4 + 42 <= 0 && 0 < (a29 + -44) / 299978 + 1) && !(2 == a2)) && a0 + 98 <= 0) && 0 <= a0 + 599999)) || ((((a4 + 42 <= 0 && a29 + 16 <= 0) && 0 < a4 + 86) && a2 == 4) && a0 + 98 <= 0)) || (((a4 + 42 <= 0 && a29 + 16 <= 0) && 3 == a2) && a0 + 366639 <= 0)) || (a4 + 89 <= 0 && a29 + 127 <= 0)) || ((((a4 + 42 <= 0 && 3 == a2) && a29 <= 42) && a0 + 366639 <= 0) && 0 <= a0 + 599999)) || ((((a4 + 42 <= 0 && 0 < (a29 + -44) / 299978 + 1) && 0 < a4 + 86) && 3 == a2) && a0 + 98 <= 0)) || ((((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86) && a29 <= 42) && 0 <= a0 + 599999)) || (((((a4 + 42 <= 0 && 0 < (a29 + -44) / 299978 + 1) && a2 == 1) && 0 < a4 + 86) && 0 <= a0 + 600001) && a0 + 98 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((0 < (a29 + -44) / 299978 + 1 && a4 + 89 <= 0) || (a29 + 16 <= 0 && a4 + 89 <= 0)) && 0 <= a0 + 599999) || (((a4 + 42 <= 0 && 0 < a4 + 86) && a0 + 98 <= 0) && 0 <= a0 + 599999)) || (a4 + 89 <= 0 && !(2 == a2))) || ((((a4 + 42 <= 0 && 0 < a4 + 86) && 0 <= a0 + 600001) && 2 == a2) && a0 + 98 <= 0)) || (0 < a0 + 147 && a4 + 89 <= 0)) || ((((a4 + 42 <= 0 && 0 < (a29 + -44) / 299978 + 1) && !(2 == a2)) && a0 + 98 <= 0) && 0 <= a0 + 599999)) || ((((a4 + 42 <= 0 && a29 + 16 <= 0) && 0 < a4 + 86) && a2 == 4) && a0 + 98 <= 0)) || (((a4 + 42 <= 0 && a29 + 16 <= 0) && 3 == a2) && a0 + 366639 <= 0)) || (a4 + 89 <= 0 && a29 + 127 <= 0)) || ((((a4 + 42 <= 0 && 3 == a2) && a29 <= 42) && a0 + 366639 <= 0) && 0 <= a0 + 599999)) || ((((a4 + 42 <= 0 && 0 < (a29 + -44) / 299978 + 1) && 0 < a4 + 86) && 3 == a2) && a0 + 98 <= 0)) || ((((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86) && a29 <= 42) && 0 <= a0 + 599999)) || (((((a4 + 42 <= 0 && 0 < (a29 + -44) / 299978 + 1) && a2 == 1) && 0 < a4 + 86) && 0 <= a0 + 600001) && a0 + 98 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((0 < (a29 + -44) / 299978 + 1 && a4 + 89 <= 0) || (a29 + 16 <= 0 && a4 + 89 <= 0)) && 0 <= a0 + 599999) || (((a4 + 42 <= 0 && 0 < a4 + 86) && a0 + 98 <= 0) && 0 <= a0 + 599999)) || ((((a4 + 42 <= 0 && 0 < a4 + 86) && 0 <= a0 + 600001) && 2 == a2) && a0 + 98 <= 0)) || (a4 + 89 <= 0 && !(2 == a2))) || (0 < a0 + 147 && a4 + 89 <= 0)) || ((((a4 + 42 <= 0 && 0 < (a29 + -44) / 299978 + 1) && !(2 == a2)) && a0 + 98 <= 0) && 0 <= a0 + 599999)) || ((((a4 + 42 <= 0 && a29 + 16 <= 0) && 0 < a4 + 86) && a2 == 4) && a0 + 98 <= 0)) || (((a4 + 42 <= 0 && a29 + 16 <= 0) && 3 == a2) && a0 + 366639 <= 0)) || (a4 + 89 <= 0 && a29 + 127 <= 0)) || ((((a4 + 42 <= 0 && 3 == a2) && a29 <= 42) && a0 + 366639 <= 0) && 0 <= a0 + 599999)) || ((((a4 + 42 <= 0 && 0 < (a29 + -44) / 299978 + 1) && 0 < a4 + 86) && 3 == a2) && a0 + 98 <= 0)) || ((((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86) && a29 <= 42) && 0 <= a0 + 599999)) || (((((a4 + 42 <= 0 && 0 < (a29 + -44) / 299978 + 1) && a2 == 1) && 0 < a4 + 86) && 0 <= a0 + 600001) && a0 + 98 <= 0) - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 425 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 186.4s, OverallIterations: 28, TraceHistogramMax: 7, AutomataDifference: 142.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 30.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8054 SDtfs, 10879 SDslu, 1361 SDs, 0 SdLazy, 39574 SolverSat, 5837 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 92.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4942 GetRequests, 4861 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42890occurred in iteration=21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.6s AutomataMinimizationTime, 28 MinimizatonAttempts, 50216 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 426 NumberOfFragments, 865 HoareAnnotationTreeSize, 4 FomulaSimplifications, 7000774 FormulaSimplificationTreeSizeReduction, 7.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 1634033 FormulaSimplificationTreeSizeReductionInter, 23.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 22230 NumberOfCodeBlocks, 22230 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 22196 ConstructedInterpolants, 0 QuantifiedInterpolants, 54903866 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5843 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 34 InterpolantComputations, 26 PerfectInterpolantSequences, 28859/30995 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...