./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label53.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_50e31894-dd2c-4f16-97aa-ccb7b19d170e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label53.c -s /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/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 f2824624fed4ccbdafc00f63c200acab83727308 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:19:26,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:19:26,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:19:26,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:19:26,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:19:26,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:19:26,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:19:26,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:19:26,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:19:26,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:19:26,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:19:26,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:19:26,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:19:26,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:19:26,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:19:26,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:19:26,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:19:26,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:19:26,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:19:26,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:19:26,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:19:26,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:19:26,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:19:26,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:19:26,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:19:26,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:19:26,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:19:26,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:19:26,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:19:26,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:19:26,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:19:26,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:19:26,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:19:26,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:19:26,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:19:26,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:19:26,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:19:26,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:19:26,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:19:26,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:19:26,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:19:26,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 20:19:26,749 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:19:26,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:19:26,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:19:26,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:19:26,753 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:19:26,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:19:26,753 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:19:26,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:19:26,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:19:26,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:19:26,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:19:26,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:19:26,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:19:26,756 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:19:26,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:19:26,757 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:19:26,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:19:26,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:19:26,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:19:26,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:19:26,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:19:26,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:19:26,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:19:26,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:19:26,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:19:26,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:19:26,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:19:26,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:19:26,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:19:26,761 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_50e31894-dd2c-4f16-97aa-ccb7b19d170e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2824624fed4ccbdafc00f63c200acab83727308 [2020-11-29 20:19:27,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:19:27,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:19:27,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:19:27,122 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:19:27,124 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:19:27,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label53.c [2020-11-29 20:19:27,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/bin/uautomizer/data/4c59d0248/76d13be964fa4d9784464e31b04a960b/FLAGf1050ea03 [2020-11-29 20:19:28,013 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:19:28,014 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/sv-benchmarks/c/eca-rers2012/Problem11_label53.c [2020-11-29 20:19:28,041 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/bin/uautomizer/data/4c59d0248/76d13be964fa4d9784464e31b04a960b/FLAGf1050ea03 [2020-11-29 20:19:28,160 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/bin/uautomizer/data/4c59d0248/76d13be964fa4d9784464e31b04a960b [2020-11-29 20:19:28,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:19:28,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:19:28,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:19:28,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:19:28,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:19:28,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:19:28" (1/1) ... [2020-11-29 20:19:28,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207ef1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:28, skipping insertion in model container [2020-11-29 20:19:28,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:19:28" (1/1) ... [2020-11-29 20:19:28,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:19:28,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:19:29,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:19:29,089 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:19:29,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:19:29,292 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:19:29,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:29 WrapperNode [2020-11-29 20:19:29,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:19:29,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:19:29,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:19:29,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:19:29,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:29" (1/1) ... [2020-11-29 20:19:29,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:29" (1/1) ... [2020-11-29 20:19:29,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:19:29,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:19:29,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:19:29,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:19:29,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:29" (1/1) ... [2020-11-29 20:19:29,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:29" (1/1) ... [2020-11-29 20:19:29,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:29" (1/1) ... [2020-11-29 20:19:29,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:29" (1/1) ... [2020-11-29 20:19:29,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:29" (1/1) ... [2020-11-29 20:19:29,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:29" (1/1) ... [2020-11-29 20:19:29,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:29" (1/1) ... [2020-11-29 20:19:29,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:19:29,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:19:29,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:19:29,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:19:29,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/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 [2020-11-29 20:19:29,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:19:29,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:19:29,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:19:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:19:32,726 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:19:32,726 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 20:19:32,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:19:32 BoogieIcfgContainer [2020-11-29 20:19:32,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:19:32,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:19:32,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:19:32,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:19:32,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:19:28" (1/3) ... [2020-11-29 20:19:32,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480fbb4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:19:32, skipping insertion in model container [2020-11-29 20:19:32,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:29" (2/3) ... [2020-11-29 20:19:32,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480fbb4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:19:32, skipping insertion in model container [2020-11-29 20:19:32,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:19:32" (3/3) ... [2020-11-29 20:19:32,745 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label53.c [2020-11-29 20:19:32,763 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:19:32,769 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 20:19:32,785 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 20:19:32,840 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:19:32,841 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:19:32,841 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:19:32,841 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:19:32,841 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:19:32,841 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:19:32,841 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:19:32,842 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:19:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-29 20:19:32,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 20:19:32,893 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:32,894 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] [2020-11-29 20:19:32,894 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:32,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:32,903 INFO L82 PathProgramCache]: Analyzing trace with hash 433832817, now seen corresponding path program 1 times [2020-11-29 20:19:32,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:32,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556594350] [2020-11-29 20:19:32,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:33,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:33,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556594350] [2020-11-29 20:19:33,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:33,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:19:33,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433488436] [2020-11-29 20:19:33,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:33,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:33,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:33,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:19:33,402 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-29 20:19:35,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:35,633 INFO L93 Difference]: Finished difference Result 770 states and 1361 transitions. [2020-11-29 20:19:35,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:19:35,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-11-29 20:19:35,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:35,655 INFO L225 Difference]: With dead ends: 770 [2020-11-29 20:19:35,655 INFO L226 Difference]: Without dead ends: 422 [2020-11-29 20:19:35,661 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 [2020-11-29 20:19:35,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-11-29 20:19:35,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2020-11-29 20:19:35,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-11-29 20:19:35,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2020-11-29 20:19:35,765 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 47 [2020-11-29 20:19:35,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:35,773 INFO L481 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2020-11-29 20:19:35,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:19:35,774 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2020-11-29 20:19:35,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-11-29 20:19:35,780 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:35,781 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:35,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 20:19:35,781 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:35,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:35,782 INFO L82 PathProgramCache]: Analyzing trace with hash -546917487, now seen corresponding path program 1 times [2020-11-29 20:19:35,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:35,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945732143] [2020-11-29 20:19:35,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:36,051 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:36,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945732143] [2020-11-29 20:19:36,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:36,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:19:36,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37841297] [2020-11-29 20:19:36,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:36,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:36,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:36,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:19:36,063 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand 3 states. [2020-11-29 20:19:37,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:37,580 INFO L93 Difference]: Finished difference Result 1199 states and 1829 transitions. [2020-11-29 20:19:37,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:19:37,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-11-29 20:19:37,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:37,589 INFO L225 Difference]: With dead ends: 1199 [2020-11-29 20:19:37,589 INFO L226 Difference]: Without dead ends: 789 [2020-11-29 20:19:37,593 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 [2020-11-29 20:19:37,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-11-29 20:19:37,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 789. [2020-11-29 20:19:37,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-11-29 20:19:37,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-11-29 20:19:37,665 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 113 [2020-11-29 20:19:37,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:37,666 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-11-29 20:19:37,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:19:37,667 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-11-29 20:19:37,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-11-29 20:19:37,674 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:37,675 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:37,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 20:19:37,675 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:37,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:37,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1839577445, now seen corresponding path program 1 times [2020-11-29 20:19:37,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:37,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942677079] [2020-11-29 20:19:37,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:37,937 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:37,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942677079] [2020-11-29 20:19:37,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:37,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:19:37,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888516984] [2020-11-29 20:19:37,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:37,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:37,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:37,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:19:37,952 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-11-29 20:19:39,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:39,503 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-11-29 20:19:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:19:39,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-11-29 20:19:39,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:39,517 INFO L225 Difference]: With dead ends: 2314 [2020-11-29 20:19:39,517 INFO L226 Difference]: Without dead ends: 1527 [2020-11-29 20:19:39,520 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 [2020-11-29 20:19:39,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-11-29 20:19:39,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-11-29 20:19:39,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-11-29 20:19:39,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-11-29 20:19:39,573 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 117 [2020-11-29 20:19:39,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:39,574 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-11-29 20:19:39,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:19:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-11-29 20:19:39,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-11-29 20:19:39,583 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:39,584 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:39,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 20:19:39,584 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:39,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:39,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1621682045, now seen corresponding path program 1 times [2020-11-29 20:19:39,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:39,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745335000] [2020-11-29 20:19:39,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:39,931 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:39,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745335000] [2020-11-29 20:19:39,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:39,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:19:39,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114489804] [2020-11-29 20:19:39,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:19:39,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:39,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:19:39,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:19:39,934 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 4 states. [2020-11-29 20:19:42,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:42,662 INFO L93 Difference]: Finished difference Result 4184 states and 5339 transitions. [2020-11-29 20:19:42,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:19:42,663 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2020-11-29 20:19:42,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:42,687 INFO L225 Difference]: With dead ends: 4184 [2020-11-29 20:19:42,687 INFO L226 Difference]: Without dead ends: 2844 [2020-11-29 20:19:42,691 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 [2020-11-29 20:19:42,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2020-11-29 20:19:42,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2843. [2020-11-29 20:19:42,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2843 states. [2020-11-29 20:19:42,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3569 transitions. [2020-11-29 20:19:42,783 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3569 transitions. Word has length 174 [2020-11-29 20:19:42,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:42,786 INFO L481 AbstractCegarLoop]: Abstraction has 2843 states and 3569 transitions. [2020-11-29 20:19:42,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:19:42,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3569 transitions. [2020-11-29 20:19:42,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-11-29 20:19:42,794 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:42,795 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, 2, 2, 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] [2020-11-29 20:19:42,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 20:19:42,796 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:42,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:42,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1452946116, now seen corresponding path program 1 times [2020-11-29 20:19:42,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:42,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155176728] [2020-11-29 20:19:42,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:43,127 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-29 20:19:43,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155176728] [2020-11-29 20:19:43,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:43,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:19:43,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559794724] [2020-11-29 20:19:43,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:43,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:43,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:43,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:19:43,131 INFO L87 Difference]: Start difference. First operand 2843 states and 3569 transitions. Second operand 3 states. [2020-11-29 20:19:44,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:44,998 INFO L93 Difference]: Finished difference Result 6431 states and 8283 transitions. [2020-11-29 20:19:44,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:19:45,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-11-29 20:19:45,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:45,030 INFO L225 Difference]: With dead ends: 6431 [2020-11-29 20:19:45,030 INFO L226 Difference]: Without dead ends: 3958 [2020-11-29 20:19:45,035 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 [2020-11-29 20:19:45,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2020-11-29 20:19:45,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3948. [2020-11-29 20:19:45,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3948 states. [2020-11-29 20:19:45,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 4860 transitions. [2020-11-29 20:19:45,159 INFO L78 Accepts]: Start accepts. Automaton has 3948 states and 4860 transitions. Word has length 229 [2020-11-29 20:19:45,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:45,160 INFO L481 AbstractCegarLoop]: Abstraction has 3948 states and 4860 transitions. [2020-11-29 20:19:45,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:19:45,161 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 4860 transitions. [2020-11-29 20:19:45,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-11-29 20:19:45,167 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:45,167 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 20:19:45,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 20:19:45,168 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:45,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:45,169 INFO L82 PathProgramCache]: Analyzing trace with hash -777385205, now seen corresponding path program 1 times [2020-11-29 20:19:45,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:45,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386525197] [2020-11-29 20:19:45,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-29 20:19:45,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386525197] [2020-11-29 20:19:45,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:45,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:19:45,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437795416] [2020-11-29 20:19:45,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:45,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:45,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:45,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:19:45,443 INFO L87 Difference]: Start difference. First operand 3948 states and 4860 transitions. Second operand 3 states. [2020-11-29 20:19:47,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:47,168 INFO L93 Difference]: Finished difference Result 10103 states and 12715 transitions. [2020-11-29 20:19:47,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:19:47,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2020-11-29 20:19:47,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:47,215 INFO L225 Difference]: With dead ends: 10103 [2020-11-29 20:19:47,216 INFO L226 Difference]: Without dead ends: 6525 [2020-11-29 20:19:47,222 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 [2020-11-29 20:19:47,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6525 states. [2020-11-29 20:19:47,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6525 to 6525. [2020-11-29 20:19:47,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6525 states. [2020-11-29 20:19:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6525 states to 6525 states and 7989 transitions. [2020-11-29 20:19:47,412 INFO L78 Accepts]: Start accepts. Automaton has 6525 states and 7989 transitions. Word has length 235 [2020-11-29 20:19:47,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:47,413 INFO L481 AbstractCegarLoop]: Abstraction has 6525 states and 7989 transitions. [2020-11-29 20:19:47,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:19:47,414 INFO L276 IsEmpty]: Start isEmpty. Operand 6525 states and 7989 transitions. [2020-11-29 20:19:47,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-11-29 20:19:47,423 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:47,423 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 20:19:47,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 20:19:47,424 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:47,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:47,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1626316196, now seen corresponding path program 1 times [2020-11-29 20:19:47,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:47,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170027536] [2020-11-29 20:19:47,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:47,854 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:47,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170027536] [2020-11-29 20:19:47,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:47,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:19:47,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179831809] [2020-11-29 20:19:47,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:19:47,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:47,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:19:47,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:19:47,858 INFO L87 Difference]: Start difference. First operand 6525 states and 7989 transitions. Second operand 5 states. [2020-11-29 20:19:51,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:51,119 INFO L93 Difference]: Finished difference Result 19887 states and 25249 transitions. [2020-11-29 20:19:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:19:51,122 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 266 [2020-11-29 20:19:51,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:51,207 INFO L225 Difference]: With dead ends: 19887 [2020-11-29 20:19:51,208 INFO L226 Difference]: Without dead ends: 13732 [2020-11-29 20:19:51,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:19:51,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13732 states. [2020-11-29 20:19:51,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13732 to 13342. [2020-11-29 20:19:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13342 states. [2020-11-29 20:19:51,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13342 states to 13342 states and 16271 transitions. [2020-11-29 20:19:51,684 INFO L78 Accepts]: Start accepts. Automaton has 13342 states and 16271 transitions. Word has length 266 [2020-11-29 20:19:51,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:51,686 INFO L481 AbstractCegarLoop]: Abstraction has 13342 states and 16271 transitions. [2020-11-29 20:19:51,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:19:51,686 INFO L276 IsEmpty]: Start isEmpty. Operand 13342 states and 16271 transitions. [2020-11-29 20:19:51,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-11-29 20:19:51,700 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:51,701 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:51,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 20:19:51,702 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:51,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:51,702 INFO L82 PathProgramCache]: Analyzing trace with hash 748387169, now seen corresponding path program 1 times [2020-11-29 20:19:51,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:51,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133771082] [2020-11-29 20:19:51,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:52,040 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-11-29 20:19:52,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133771082] [2020-11-29 20:19:52,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:52,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:19:52,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059766183] [2020-11-29 20:19:52,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:52,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:52,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:52,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:19:52,044 INFO L87 Difference]: Start difference. First operand 13342 states and 16271 transitions. Second operand 3 states. [2020-11-29 20:19:53,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:53,899 INFO L93 Difference]: Finished difference Result 30911 states and 38183 transitions. [2020-11-29 20:19:53,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:19:53,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2020-11-29 20:19:53,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:53,964 INFO L225 Difference]: With dead ends: 30911 [2020-11-29 20:19:53,965 INFO L226 Difference]: Without dead ends: 17939 [2020-11-29 20:19:53,981 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 [2020-11-29 20:19:54,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17939 states. [2020-11-29 20:19:54,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17939 to 17386. [2020-11-29 20:19:54,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17386 states. [2020-11-29 20:19:54,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17386 states to 17386 states and 21157 transitions. [2020-11-29 20:19:54,429 INFO L78 Accepts]: Start accepts. Automaton has 17386 states and 21157 transitions. Word has length 277 [2020-11-29 20:19:54,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:54,431 INFO L481 AbstractCegarLoop]: Abstraction has 17386 states and 21157 transitions. [2020-11-29 20:19:54,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:19:54,431 INFO L276 IsEmpty]: Start isEmpty. Operand 17386 states and 21157 transitions. [2020-11-29 20:19:54,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-11-29 20:19:54,454 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:54,454 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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:54,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 20:19:54,455 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:54,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:54,456 INFO L82 PathProgramCache]: Analyzing trace with hash -527043248, now seen corresponding path program 1 times [2020-11-29 20:19:54,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:54,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266343321] [2020-11-29 20:19:54,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:54,795 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-11-29 20:19:54,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266343321] [2020-11-29 20:19:54,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:54,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:19:54,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868438601] [2020-11-29 20:19:54,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:54,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:54,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:54,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:19:54,806 INFO L87 Difference]: Start difference. First operand 17386 states and 21157 transitions. Second operand 3 states. [2020-11-29 20:19:56,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:56,653 INFO L93 Difference]: Finished difference Result 36810 states and 45096 transitions. [2020-11-29 20:19:56,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:19:56,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 312 [2020-11-29 20:19:56,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:56,711 INFO L225 Difference]: With dead ends: 36810 [2020-11-29 20:19:56,711 INFO L226 Difference]: Without dead ends: 19794 [2020-11-29 20:19:56,740 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 [2020-11-29 20:19:56,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19794 states. [2020-11-29 20:19:57,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19794 to 19410. [2020-11-29 20:19:57,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19410 states. [2020-11-29 20:19:57,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19410 states to 19410 states and 23094 transitions. [2020-11-29 20:19:57,260 INFO L78 Accepts]: Start accepts. Automaton has 19410 states and 23094 transitions. Word has length 312 [2020-11-29 20:19:57,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:57,261 INFO L481 AbstractCegarLoop]: Abstraction has 19410 states and 23094 transitions. [2020-11-29 20:19:57,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:19:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 19410 states and 23094 transitions. [2020-11-29 20:19:57,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2020-11-29 20:19:57,317 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:57,318 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, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:57,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 20:19:57,318 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:57,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:57,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1718807639, now seen corresponding path program 1 times [2020-11-29 20:19:57,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:57,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833280602] [2020-11-29 20:19:57,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 462 proven. 78 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-11-29 20:19:58,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833280602] [2020-11-29 20:19:58,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101423807] [2020-11-29 20:19:58,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/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 [2020-11-29 20:19:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:58,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 20:19:58,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:19:59,289 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-11-29 20:19:59,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 20:19:59,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 20:19:59,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602935873] [2020-11-29 20:19:59,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:59,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:59,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:59,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 20:19:59,294 INFO L87 Difference]: Start difference. First operand 19410 states and 23094 transitions. Second operand 3 states. [2020-11-29 20:20:01,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:20:01,074 INFO L93 Difference]: Finished difference Result 37714 states and 44970 transitions. [2020-11-29 20:20:01,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:20:01,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 416 [2020-11-29 20:20:01,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:20:01,130 INFO L225 Difference]: With dead ends: 37714 [2020-11-29 20:20:01,130 INFO L226 Difference]: Without dead ends: 19967 [2020-11-29 20:20:01,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 20:20:01,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19967 states. [2020-11-29 20:20:01,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19967 to 19410. [2020-11-29 20:20:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19410 states. [2020-11-29 20:20:01,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19410 states to 19410 states and 22561 transitions. [2020-11-29 20:20:01,672 INFO L78 Accepts]: Start accepts. Automaton has 19410 states and 22561 transitions. Word has length 416 [2020-11-29 20:20:01,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:20:01,673 INFO L481 AbstractCegarLoop]: Abstraction has 19410 states and 22561 transitions. [2020-11-29 20:20:01,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:20:01,673 INFO L276 IsEmpty]: Start isEmpty. Operand 19410 states and 22561 transitions. [2020-11-29 20:20:01,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2020-11-29 20:20:01,715 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:20:01,715 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 20:20:01,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-29 20:20:01,940 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:20:01,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:20:01,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1110533791, now seen corresponding path program 1 times [2020-11-29 20:20:01,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:20:01,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189254685] [2020-11-29 20:20:01,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:20:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:03,501 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 393 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-11-29 20:20:03,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189254685] [2020-11-29 20:20:03,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:20:03,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 20:20:03,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180233608] [2020-11-29 20:20:03,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 20:20:03,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:20:03,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 20:20:03,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 20:20:03,505 INFO L87 Difference]: Start difference. First operand 19410 states and 22561 transitions. Second operand 6 states. [2020-11-29 20:20:07,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:20:07,231 INFO L93 Difference]: Finished difference Result 41357 states and 47963 transitions. [2020-11-29 20:20:07,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 20:20:07,232 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 417 [2020-11-29 20:20:07,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:20:07,293 INFO L225 Difference]: With dead ends: 41357 [2020-11-29 20:20:07,293 INFO L226 Difference]: Without dead ends: 22317 [2020-11-29 20:20:07,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-11-29 20:20:07,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22317 states. [2020-11-29 20:20:07,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22317 to 21617. [2020-11-29 20:20:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21617 states. [2020-11-29 20:20:07,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21617 states to 21617 states and 25054 transitions. [2020-11-29 20:20:07,705 INFO L78 Accepts]: Start accepts. Automaton has 21617 states and 25054 transitions. Word has length 417 [2020-11-29 20:20:07,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:20:07,706 INFO L481 AbstractCegarLoop]: Abstraction has 21617 states and 25054 transitions. [2020-11-29 20:20:07,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 20:20:07,707 INFO L276 IsEmpty]: Start isEmpty. Operand 21617 states and 25054 transitions. [2020-11-29 20:20:07,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2020-11-29 20:20:07,747 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:20:07,748 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, 4, 4, 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, 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] [2020-11-29 20:20:07,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 20:20:07,748 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:20:07,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:20:07,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1609812082, now seen corresponding path program 1 times [2020-11-29 20:20:07,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:20:07,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934841671] [2020-11-29 20:20:07,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:20:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:08,167 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-11-29 20:20:08,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934841671] [2020-11-29 20:20:08,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:20:08,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:20:08,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808245091] [2020-11-29 20:20:08,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:20:08,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:20:08,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:20:08,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:20:08,171 INFO L87 Difference]: Start difference. First operand 21617 states and 25054 transitions. Second operand 3 states. [2020-11-29 20:20:09,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:20:09,980 INFO L93 Difference]: Finished difference Result 44334 states and 51499 transitions. [2020-11-29 20:20:09,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:20:09,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 418 [2020-11-29 20:20:09,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:20:10,043 INFO L225 Difference]: With dead ends: 44334 [2020-11-29 20:20:10,043 INFO L226 Difference]: Without dead ends: 23455 [2020-11-29 20:20:10,059 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 [2020-11-29 20:20:10,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23455 states. [2020-11-29 20:20:10,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23455 to 22719. [2020-11-29 20:20:10,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22719 states. [2020-11-29 20:20:10,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22719 states to 22719 states and 25998 transitions. [2020-11-29 20:20:10,448 INFO L78 Accepts]: Start accepts. Automaton has 22719 states and 25998 transitions. Word has length 418 [2020-11-29 20:20:10,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:20:10,450 INFO L481 AbstractCegarLoop]: Abstraction has 22719 states and 25998 transitions. [2020-11-29 20:20:10,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:20:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 22719 states and 25998 transitions. [2020-11-29 20:20:10,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2020-11-29 20:20:10,489 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:20:10,490 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:20:10,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 20:20:10,491 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:20:10,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:20:10,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1136261306, now seen corresponding path program 1 times [2020-11-29 20:20:10,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:20:10,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177728018] [2020-11-29 20:20:10,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:20:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 395 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-11-29 20:20:12,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177728018] [2020-11-29 20:20:12,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474262653] [2020-11-29 20:20:12,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/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 [2020-11-29 20:20:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:12,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 20:20:12,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:20:12,363 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:20:12,413 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:20:12,424 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:20:13,153 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 282 proven. 121 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-11-29 20:20:13,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 20:20:13,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2020-11-29 20:20:13,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97106997] [2020-11-29 20:20:13,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-29 20:20:13,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:20:13,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-29 20:20:13,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-11-29 20:20:13,158 INFO L87 Difference]: Start difference. First operand 22719 states and 25998 transitions. Second operand 9 states. [2020-11-29 20:20:19,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:20:19,258 INFO L93 Difference]: Finished difference Result 50250 states and 57191 transitions. [2020-11-29 20:20:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-29 20:20:19,259 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 427 [2020-11-29 20:20:19,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:20:19,324 INFO L225 Difference]: With dead ends: 50250 [2020-11-29 20:20:19,324 INFO L226 Difference]: Without dead ends: 27901 [2020-11-29 20:20:19,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 425 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2020-11-29 20:20:19,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27901 states. [2020-11-29 20:20:19,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27901 to 23271. [2020-11-29 20:20:19,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23271 states. [2020-11-29 20:20:19,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23271 states to 23271 states and 26553 transitions. [2020-11-29 20:20:19,769 INFO L78 Accepts]: Start accepts. Automaton has 23271 states and 26553 transitions. Word has length 427 [2020-11-29 20:20:19,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:20:19,770 INFO L481 AbstractCegarLoop]: Abstraction has 23271 states and 26553 transitions. [2020-11-29 20:20:19,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-29 20:20:19,771 INFO L276 IsEmpty]: Start isEmpty. Operand 23271 states and 26553 transitions. [2020-11-29 20:20:19,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2020-11-29 20:20:19,791 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:20:19,792 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:20:20,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-29 20:20:20,020 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:20:20,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:20:20,021 INFO L82 PathProgramCache]: Analyzing trace with hash -806091956, now seen corresponding path program 1 times [2020-11-29 20:20:20,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:20:20,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782670668] [2020-11-29 20:20:20,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:20:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:20,425 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2020-11-29 20:20:20,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782670668] [2020-11-29 20:20:20,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:20:20,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:20:20,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713325623] [2020-11-29 20:20:20,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:20:20,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:20:20,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:20:20,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:20:20,428 INFO L87 Difference]: Start difference. First operand 23271 states and 26553 transitions. Second operand 3 states. [2020-11-29 20:20:21,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:20:21,794 INFO L93 Difference]: Finished difference Result 46729 states and 53316 transitions. [2020-11-29 20:20:21,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:20:21,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 432 [2020-11-29 20:20:21,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:20:21,845 INFO L225 Difference]: With dead ends: 46729 [2020-11-29 20:20:21,846 INFO L226 Difference]: Without dead ends: 25670 [2020-11-29 20:20:21,860 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 [2020-11-29 20:20:21,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25670 states. [2020-11-29 20:20:22,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25670 to 23087. [2020-11-29 20:20:22,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23087 states. [2020-11-29 20:20:22,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23087 states to 23087 states and 26318 transitions. [2020-11-29 20:20:22,248 INFO L78 Accepts]: Start accepts. Automaton has 23087 states and 26318 transitions. Word has length 432 [2020-11-29 20:20:22,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:20:22,248 INFO L481 AbstractCegarLoop]: Abstraction has 23087 states and 26318 transitions. [2020-11-29 20:20:22,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:20:22,248 INFO L276 IsEmpty]: Start isEmpty. Operand 23087 states and 26318 transitions. [2020-11-29 20:20:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2020-11-29 20:20:22,263 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:20:22,264 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:20:22,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 20:20:22,265 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:20:22,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:20:22,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1804429372, now seen corresponding path program 1 times [2020-11-29 20:20:22,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:20:22,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516182547] [2020-11-29 20:20:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:20:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:20:22,654 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2020-11-29 20:20:22,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516182547] [2020-11-29 20:20:22,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:20:22,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:20:22,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110014295] [2020-11-29 20:20:22,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:20:22,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:20:22,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:20:22,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:20:22,657 INFO L87 Difference]: Start difference. First operand 23087 states and 26318 transitions. Second operand 3 states. [2020-11-29 20:20:24,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:20:24,202 INFO L93 Difference]: Finished difference Result 47087 states and 53909 transitions. [2020-11-29 20:20:24,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:20:24,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 438 [2020-11-29 20:20:24,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:20:24,205 INFO L225 Difference]: With dead ends: 47087 [2020-11-29 20:20:24,205 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 20:20:24,223 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 [2020-11-29 20:20:24,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 20:20:24,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 20:20:24,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 20:20:24,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:20:24,224 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 438 [2020-11-29 20:20:24,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:20:24,225 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:20:24,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:20:24,225 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:20:24,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:20:24,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 20:20:24,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 20:20:26,211 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 787 DAG size of output: 114 [2020-11-29 20:20:28,271 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 787 DAG size of output: 114 [2020-11-29 20:20:28,724 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 29 [2020-11-29 20:20:29,073 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 29 [2020-11-29 20:20:29,076 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-29 20:20:29,076 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,076 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-29 20:20:29,076 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,076 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,077 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,077 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,077 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,077 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,077 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-29 20:20:29,077 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-29 20:20:29,077 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-29 20:20:29,077 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,077 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,077 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,077 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,078 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,078 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,078 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,078 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,078 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,078 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,078 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-29 20:20:29,078 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-29 20:20:29,078 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-29 20:20:29,078 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,078 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-29 20:20:29,078 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-29 20:20:29,078 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,079 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,079 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,079 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,079 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,079 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,079 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-29 20:20:29,079 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-29 20:20:29,079 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-29 20:20:29,079 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,079 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,139 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,139 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse1 (= ~a4~0 1)) (.cse2 (<= ~a25~0 10)) (.cse0 (<= ~a29~0 245))) (or (= ~a25~0 11) (< 306 ~a23~0) (and (<= 130 ~a29~0) .cse0) (and .cse0 .cse1) (<= 99912 ~a29~0) (and (<= ~a23~0 138) (not .cse1)) (= ~a25~0 12) (and .cse2 .cse1) (and .cse2 .cse0))) [2020-11-29 20:20:29,140 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,140 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-29 20:20:29,140 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-29 20:20:29,140 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,140 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,140 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,140 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,140 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,140 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,140 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-29 20:20:29,140 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-29 20:20:29,140 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-29 20:20:29,141 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-29 20:20:29,141 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,141 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,141 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,141 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,141 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,141 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,141 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,141 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-29 20:20:29,141 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-29 20:20:29,141 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-29 20:20:29,141 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,142 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,142 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,142 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,142 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,142 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,142 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,142 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,142 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,142 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-29 20:20:29,142 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-29 20:20:29,143 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-29 20:20:29,143 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,143 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse1 (= ~a4~0 1)) (.cse2 (<= ~a25~0 10)) (.cse0 (<= ~a29~0 245))) (or (= ~a25~0 11) (< 306 ~a23~0) (and (<= 130 ~a29~0) .cse0) (and .cse0 .cse1) (<= 99912 ~a29~0) (and (<= ~a23~0 138) (not .cse1)) (= ~a25~0 12) (and .cse2 .cse1) (and .cse2 .cse0))) [2020-11-29 20:20:29,143 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,143 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,143 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,143 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,143 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,144 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,144 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,144 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,144 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-29 20:20:29,144 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-29 20:20:29,144 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 20:20:29,144 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-29 20:20:29,144 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-29 20:20:29,144 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-29 20:20:29,144 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-29 20:20:29,145 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,145 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,145 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,145 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,145 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,145 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,145 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,145 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,145 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,145 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,146 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 20:20:29,146 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-29 20:20:29,146 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-29 20:20:29,146 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-29 20:20:29,146 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-29 20:20:29,146 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,146 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,146 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,146 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,146 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,146 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-29 20:20:29,146 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-29 20:20:29,147 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-29 20:20:29,147 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,147 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,147 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,147 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,147 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-29 20:20:29,147 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-29 20:20:29,147 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,147 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,147 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,147 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,147 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,148 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,148 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-29 20:20:29,148 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-29 20:20:29,148 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,149 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,149 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-29 20:20:29,149 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-29 20:20:29,150 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-29 20:20:29,150 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 20:20:29,150 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:20:29,150 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,150 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,150 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,150 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,150 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,150 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,150 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,150 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-29 20:20:29,151 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-29 20:20:29,151 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-29 20:20:29,151 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-29 20:20:29,151 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-29 20:20:29,151 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-29 20:20:29,151 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-29 20:20:29,151 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,151 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,151 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-29 20:20:29,151 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-29 20:20:29,151 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,151 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,152 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,152 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,152 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,152 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-29 20:20:29,152 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-29 20:20:29,152 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-29 20:20:29,152 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,152 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,152 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,152 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,152 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,152 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,153 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-29 20:20:29,153 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-29 20:20:29,153 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-29 20:20:29,153 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,153 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,153 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,153 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,153 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,153 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,153 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,153 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,153 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-29 20:20:29,153 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-29 20:20:29,154 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-29 20:20:29,154 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,154 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,154 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,154 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,154 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,154 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,154 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,154 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 20:20:29,154 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,154 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,154 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,155 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,155 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-29 20:20:29,155 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-29 20:20:29,155 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-29 20:20:29,155 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-29 20:20:29,155 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-29 20:20:29,155 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,155 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,155 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,155 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,155 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,155 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,155 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,156 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-29 20:20:29,156 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-29 20:20:29,156 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-29 20:20:29,156 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,156 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,156 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,156 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-29 20:20:29,156 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-29 20:20:29,156 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,156 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,156 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,156 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,157 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,157 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-29 20:20:29,157 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-29 20:20:29,157 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,157 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,157 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-29 20:20:29,157 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-29 20:20:29,157 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,157 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 20:20:29,157 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,157 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,157 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,157 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,158 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,158 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-29 20:20:29,158 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-29 20:20:29,158 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-29 20:20:29,158 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-29 20:20:29,158 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,158 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,158 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,158 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,158 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,158 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,158 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,159 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,159 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-29 20:20:29,159 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-29 20:20:29,159 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-29 20:20:29,159 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-29 20:20:29,159 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-29 20:20:29,159 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-29 20:20:29,160 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,160 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,160 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,160 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,160 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,160 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,161 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,161 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-29 20:20:29,161 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-29 20:20:29,161 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 20:20:29,161 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,162 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,162 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,162 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,162 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,162 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,162 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-29 20:20:29,162 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-29 20:20:29,163 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,163 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,163 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,163 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,163 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,163 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,164 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,164 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-29 20:20:29,164 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:20:29,164 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,164 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,164 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-29 20:20:29,165 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-29 20:20:29,165 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-29 20:20:29,165 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-29 20:20:29,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:20:29 BoogieIcfgContainer [2020-11-29 20:20:29,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:20:29,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:20:29,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:20:29,188 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:20:29,189 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:19:32" (3/4) ... [2020-11-29 20:20:29,193 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:20:29,246 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 20:20:29,250 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 20:20:29,253 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:20:29,255 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:20:29,484 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_50e31894-dd2c-4f16-97aa-ccb7b19d170e/bin/uautomizer/witness.graphml [2020-11-29 20:20:29,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:20:29,486 INFO L168 Benchmark]: Toolchain (without parser) took 61317.93 ms. Allocated memory was 86.0 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 52.3 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 224.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:20:29,487 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 86.0 MB. Free memory was 45.6 MB in the beginning and 45.5 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:20:29,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1123.49 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 52.1 MB in the beginning and 50.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:20:29,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 214.60 ms. Allocated memory is still 107.0 MB. Free memory was 50.5 MB in the beginning and 70.4 MB in the end (delta: -20.0 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:20:29,488 INFO L168 Benchmark]: Boogie Preprocessor took 232.68 ms. Allocated memory is still 107.0 MB. Free memory was 70.4 MB in the beginning and 60.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:20:29,489 INFO L168 Benchmark]: RCFGBuilder took 2988.74 ms. Allocated memory was 107.0 MB in the beginning and 172.0 MB in the end (delta: 65.0 MB). Free memory was 60.0 MB in the beginning and 122.5 MB in the end (delta: -62.6 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:20:29,490 INFO L168 Benchmark]: TraceAbstraction took 56451.84 ms. Allocated memory was 172.0 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 121.5 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. [2020-11-29 20:20:29,490 INFO L168 Benchmark]: Witness Printer took 296.94 ms. Allocated memory is still 2.0 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:20:29,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 86.0 MB. Free memory was 45.6 MB in the beginning and 45.5 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1123.49 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 52.1 MB in the beginning and 50.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 214.60 ms. Allocated memory is still 107.0 MB. Free memory was 50.5 MB in the beginning and 70.4 MB in the end (delta: -20.0 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 232.68 ms. Allocated memory is still 107.0 MB. Free memory was 70.4 MB in the beginning and 60.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2988.74 ms. Allocated memory was 107.0 MB in the beginning and 172.0 MB in the end (delta: 65.0 MB). Free memory was 60.0 MB in the beginning and 122.5 MB in the end (delta: -62.6 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 56451.84 ms. Allocated memory was 172.0 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 121.5 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. * Witness Printer took 296.94 ms. Allocated memory is still 2.0 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((a25 == 11 || 306 < a23) || (130 <= a29 && a29 <= 245)) || (a29 <= 245 && a4 == 1)) || 99912 <= a29) || (a23 <= 138 && !(a4 == 1))) || a25 == 12) || (a25 <= 10 && a4 == 1)) || (a25 <= 10 && a29 <= 245) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((a25 == 11 || 306 < a23) || (130 <= a29 && a29 <= 245)) || (a29 <= 245 && a4 == 1)) || 99912 <= a29) || (a23 <= 138 && !(a4 == 1))) || a25 == 12) || (a25 <= 10 && a4 == 1)) || (a25 <= 10 && a29 <= 245) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 51.3s, OverallIterations: 15, TraceHistogramMax: 5, AutomataDifference: 35.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2817 SDtfs, 3668 SDslu, 471 SDs, 0 SdLazy, 12671 SolverSat, 2594 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 913 GetRequests, 863 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23271occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 10555 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 307 NumberOfFragments, 99 HoareAnnotationTreeSize, 3 FomulaSimplifications, 32666 FormulaSimplificationTreeSizeReduction, 4.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1154 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 5161 NumberOfCodeBlocks, 5161 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 5144 ConstructedInterpolants, 0 QuantifiedInterpolants, 8210214 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1177 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 5207/5414 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...