./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label05.c -s /tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/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 82dbac14d844fb1078e4d2ea5b1b4cbd16e915f5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:26:37,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:26:37,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:26:37,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:26:37,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:26:37,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:26:37,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:26:37,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:26:37,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:26:37,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:26:37,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:26:37,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:26:37,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:26:37,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:26:37,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:26:37,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:26:37,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:26:37,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:26:37,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:26:37,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:26:37,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:26:37,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:26:37,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:26:37,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:26:37,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:26:37,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:26:37,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:26:37,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:26:37,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:26:37,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:26:37,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:26:37,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:26:37,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:26:37,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:26:37,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:26:37,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:26:37,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:26:37,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:26:37,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:26:37,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:26:37,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:26:37,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:26:37,665 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:26:37,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:26:37,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:26:37,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:26:37,668 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:26:37,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:26:37,669 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:26:37,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:26:37,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:26:37,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:26:37,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:26:37,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:26:37,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:26:37,671 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:26:37,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:26:37,671 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:26:37,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:26:37,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:26:37,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:26:37,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:26:37,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:26:37,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:26:37,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:26:37,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:26:37,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:26:37,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:26:37,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:26:37,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:26:37,675 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:26:37,675 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_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82dbac14d844fb1078e4d2ea5b1b4cbd16e915f5 [2020-11-29 19:26:38,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:26:38,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:26:38,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:26:38,062 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:26:38,065 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:26:38,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label05.c [2020-11-29 19:26:38,174 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/bin/uautomizer/data/74027d3a6/853efcbb4b84481d8ff08e608b290154/FLAGa0f8a261f [2020-11-29 19:26:39,000 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:26:39,001 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/sv-benchmarks/c/eca-rers2012/Problem10_label05.c [2020-11-29 19:26:39,033 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/bin/uautomizer/data/74027d3a6/853efcbb4b84481d8ff08e608b290154/FLAGa0f8a261f [2020-11-29 19:26:39,221 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/bin/uautomizer/data/74027d3a6/853efcbb4b84481d8ff08e608b290154 [2020-11-29 19:26:39,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:26:39,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:26:39,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:26:39,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:26:39,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:26:39,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:26:39" (1/1) ... [2020-11-29 19:26:39,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b5afdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:39, skipping insertion in model container [2020-11-29 19:26:39,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:26:39" (1/1) ... [2020-11-29 19:26:39,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:26:39,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:26:39,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:26:39,924 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:26:40,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:26:40,123 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:26:40,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:40 WrapperNode [2020-11-29 19:26:40,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:26:40,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:26:40,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:26:40,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:26:40,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:40" (1/1) ... [2020-11-29 19:26:40,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:40" (1/1) ... [2020-11-29 19:26:40,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:26:40,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:26:40,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:26:40,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:26:40,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:40" (1/1) ... [2020-11-29 19:26:40,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:40" (1/1) ... [2020-11-29 19:26:40,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:40" (1/1) ... [2020-11-29 19:26:40,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:40" (1/1) ... [2020-11-29 19:26:40,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:40" (1/1) ... [2020-11-29 19:26:40,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:40" (1/1) ... [2020-11-29 19:26:40,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:40" (1/1) ... [2020-11-29 19:26:40,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:26:40,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:26:40,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:26:40,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:26:40,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/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 19:26:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:26:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:26:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:26:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:26:42,785 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:26:42,785 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:26:42,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:26:42 BoogieIcfgContainer [2020-11-29 19:26:42,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:26:42,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:26:42,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:26:42,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:26:42,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:26:39" (1/3) ... [2020-11-29 19:26:42,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a9857e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:26:42, skipping insertion in model container [2020-11-29 19:26:42,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:26:40" (2/3) ... [2020-11-29 19:26:42,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a9857e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:26:42, skipping insertion in model container [2020-11-29 19:26:42,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:26:42" (3/3) ... [2020-11-29 19:26:42,805 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label05.c [2020-11-29 19:26:42,818 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:26:42,825 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:26:42,840 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:26:42,886 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:26:42,886 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:26:42,886 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:26:42,887 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:26:42,887 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:26:42,887 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:26:42,887 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:26:42,887 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:26:42,922 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-29 19:26:42,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 19:26:42,938 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:26:42,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:26:42,939 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:26:42,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:26:42,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1382487458, now seen corresponding path program 1 times [2020-11-29 19:26:42,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:26:42,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929857021] [2020-11-29 19:26:42,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:26:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:26:43,545 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 19:26:43,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929857021] [2020-11-29 19:26:43,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:26:43,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:26:43,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009198840] [2020-11-29 19:26:43,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:26:43,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:26:43,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:26:43,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:26:43,577 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-11-29 19:26:45,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:26:45,973 INFO L93 Difference]: Finished difference Result 697 states and 1249 transitions. [2020-11-29 19:26:45,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:26:45,974 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-11-29 19:26:45,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:26:45,998 INFO L225 Difference]: With dead ends: 697 [2020-11-29 19:26:45,999 INFO L226 Difference]: Without dead ends: 421 [2020-11-29 19:26:46,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:26:46,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-11-29 19:26:46,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-11-29 19:26:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-29 19:26:46,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2020-11-29 19:26:46,099 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 52 [2020-11-29 19:26:46,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:26:46,100 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2020-11-29 19:26:46,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:26:46,100 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2020-11-29 19:26:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-11-29 19:26:46,113 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:26:46,113 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 19:26:46,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:26:46,114 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:26:46,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:26:46,115 INFO L82 PathProgramCache]: Analyzing trace with hash 657930190, now seen corresponding path program 1 times [2020-11-29 19:26:46,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:26:46,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224966737] [2020-11-29 19:26:46,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:26:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:26:46,545 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-29 19:26:46,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224966737] [2020-11-29 19:26:46,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:26:46,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:26:46,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195674719] [2020-11-29 19:26:46,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:26:46,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:26:46,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:26:46,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:26:46,554 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand 3 states. [2020-11-29 19:26:47,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:26:47,531 INFO L93 Difference]: Finished difference Result 979 states and 1440 transitions. [2020-11-29 19:26:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:26:47,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-11-29 19:26:47,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:26:47,544 INFO L225 Difference]: With dead ends: 979 [2020-11-29 19:26:47,544 INFO L226 Difference]: Without dead ends: 699 [2020-11-29 19:26:47,547 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 19:26:47,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-11-29 19:26:47,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 560. [2020-11-29 19:26:47,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-29 19:26:47,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 735 transitions. [2020-11-29 19:26:47,589 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 735 transitions. Word has length 233 [2020-11-29 19:26:47,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:26:47,591 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 735 transitions. [2020-11-29 19:26:47,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:26:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 735 transitions. [2020-11-29 19:26:47,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-11-29 19:26:47,600 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:26:47,600 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 19:26:47,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:26:47,601 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:26:47,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:26:47,602 INFO L82 PathProgramCache]: Analyzing trace with hash -429183745, now seen corresponding path program 1 times [2020-11-29 19:26:47,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:26:47,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370259819] [2020-11-29 19:26:47,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:26:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:26:47,960 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-29 19:26:47,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370259819] [2020-11-29 19:26:47,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:26:47,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:26:47,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171006897] [2020-11-29 19:26:47,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:26:47,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:26:47,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:26:47,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:26:47,970 INFO L87 Difference]: Start difference. First operand 560 states and 735 transitions. Second operand 3 states. [2020-11-29 19:26:48,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:26:48,966 INFO L93 Difference]: Finished difference Result 1118 states and 1533 transitions. [2020-11-29 19:26:48,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:26:48,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2020-11-29 19:26:48,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:26:48,982 INFO L225 Difference]: With dead ends: 1118 [2020-11-29 19:26:48,982 INFO L226 Difference]: Without dead ends: 699 [2020-11-29 19:26:48,984 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 19:26:48,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-11-29 19:26:49,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-11-29 19:26:49,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-29 19:26:49,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 894 transitions. [2020-11-29 19:26:49,035 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 894 transitions. Word has length 239 [2020-11-29 19:26:49,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:26:49,037 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 894 transitions. [2020-11-29 19:26:49,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:26:49,038 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 894 transitions. [2020-11-29 19:26:49,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-11-29 19:26:49,054 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:26:49,054 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:26:49,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:26:49,055 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:26:49,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:26:49,058 INFO L82 PathProgramCache]: Analyzing trace with hash -19409544, now seen corresponding path program 1 times [2020-11-29 19:26:49,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:26:49,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986784642] [2020-11-29 19:26:49,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:26:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:26:49,392 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-11-29 19:26:49,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986784642] [2020-11-29 19:26:49,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:26:49,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:26:49,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624706017] [2020-11-29 19:26:49,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:26:49,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:26:49,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:26:49,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:26:49,397 INFO L87 Difference]: Start difference. First operand 699 states and 894 transitions. Second operand 3 states. [2020-11-29 19:26:50,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:26:50,358 INFO L93 Difference]: Finished difference Result 1396 states and 1831 transitions. [2020-11-29 19:26:50,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:26:50,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 307 [2020-11-29 19:26:50,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:26:50,366 INFO L225 Difference]: With dead ends: 1396 [2020-11-29 19:26:50,367 INFO L226 Difference]: Without dead ends: 838 [2020-11-29 19:26:50,369 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 19:26:50,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-11-29 19:26:50,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-11-29 19:26:50,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-11-29 19:26:50,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1043 transitions. [2020-11-29 19:26:50,396 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1043 transitions. Word has length 307 [2020-11-29 19:26:50,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:26:50,397 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1043 transitions. [2020-11-29 19:26:50,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:26:50,398 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1043 transitions. [2020-11-29 19:26:50,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-11-29 19:26:50,405 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:26:50,405 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 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 19:26:50,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:26:50,406 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:26:50,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:26:50,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1188005784, now seen corresponding path program 1 times [2020-11-29 19:26:50,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:26:50,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579507216] [2020-11-29 19:26:50,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:26:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:26:51,023 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-11-29 19:26:51,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579507216] [2020-11-29 19:26:51,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:26:51,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 19:26:51,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846428660] [2020-11-29 19:26:51,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 19:26:51,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:26:51,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 19:26:51,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:26:51,029 INFO L87 Difference]: Start difference. First operand 838 states and 1043 transitions. Second operand 7 states. [2020-11-29 19:26:51,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:26:51,912 INFO L93 Difference]: Finished difference Result 1590 states and 1995 transitions. [2020-11-29 19:26:51,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 19:26:51,913 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 316 [2020-11-29 19:26:51,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:26:51,920 INFO L225 Difference]: With dead ends: 1590 [2020-11-29 19:26:51,920 INFO L226 Difference]: Without dead ends: 838 [2020-11-29 19:26:51,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:26:51,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-11-29 19:26:51,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-11-29 19:26:51,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-11-29 19:26:51,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1039 transitions. [2020-11-29 19:26:51,952 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1039 transitions. Word has length 316 [2020-11-29 19:26:51,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:26:51,953 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1039 transitions. [2020-11-29 19:26:51,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 19:26:51,953 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1039 transitions. [2020-11-29 19:26:51,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-11-29 19:26:51,961 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:26:51,962 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:26:51,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:26:51,962 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:26:51,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:26:51,963 INFO L82 PathProgramCache]: Analyzing trace with hash -450685694, now seen corresponding path program 1 times [2020-11-29 19:26:51,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:26:51,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612357088] [2020-11-29 19:26:51,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:26:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:26:52,821 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 349 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:26:52,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612357088] [2020-11-29 19:26:52,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050590351] [2020-11-29 19:26:52,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/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 19:26:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:26:53,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:26:53,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:26:53,477 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-29 19:26:53,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:26:53,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-29 19:26:53,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280066993] [2020-11-29 19:26:53,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:26:53,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:26:53,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:26:53,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:26:53,483 INFO L87 Difference]: Start difference. First operand 838 states and 1039 transitions. Second operand 3 states. [2020-11-29 19:26:54,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:26:54,509 INFO L93 Difference]: Finished difference Result 2091 states and 2637 transitions. [2020-11-29 19:26:54,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:26:54,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 352 [2020-11-29 19:26:54,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:26:54,525 INFO L225 Difference]: With dead ends: 2091 [2020-11-29 19:26:54,526 INFO L226 Difference]: Without dead ends: 1394 [2020-11-29 19:26:54,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:26:54,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-11-29 19:26:54,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2020-11-29 19:26:54,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-11-29 19:26:54,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1670 transitions. [2020-11-29 19:26:54,578 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1670 transitions. Word has length 352 [2020-11-29 19:26:54,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:26:54,579 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1670 transitions. [2020-11-29 19:26:54,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:26:54,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1670 transitions. [2020-11-29 19:26:54,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2020-11-29 19:26:54,589 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:26:54,592 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:26:54,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-29 19:26:54,818 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:26:54,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:26:54,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1828396448, now seen corresponding path program 1 times [2020-11-29 19:26:54,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:26:54,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173222810] [2020-11-29 19:26:54,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:26:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:26:55,221 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-11-29 19:26:55,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173222810] [2020-11-29 19:26:55,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:26:55,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:26:55,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741841958] [2020-11-29 19:26:55,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:26:55,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:26:55,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:26:55,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:26:55,226 INFO L87 Difference]: Start difference. First operand 1394 states and 1670 transitions. Second operand 3 states. [2020-11-29 19:26:56,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:26:56,248 INFO L93 Difference]: Finished difference Result 3064 states and 3736 transitions. [2020-11-29 19:26:56,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:26:56,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 365 [2020-11-29 19:26:56,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:26:56,263 INFO L225 Difference]: With dead ends: 3064 [2020-11-29 19:26:56,263 INFO L226 Difference]: Without dead ends: 1811 [2020-11-29 19:26:56,266 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 19:26:56,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-11-29 19:26:56,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1672. [2020-11-29 19:26:56,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-11-29 19:26:56,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1973 transitions. [2020-11-29 19:26:56,321 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1973 transitions. Word has length 365 [2020-11-29 19:26:56,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:26:56,322 INFO L481 AbstractCegarLoop]: Abstraction has 1672 states and 1973 transitions. [2020-11-29 19:26:56,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:26:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1973 transitions. [2020-11-29 19:26:56,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2020-11-29 19:26:56,333 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:26:56,334 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:26:56,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:26:56,335 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:26:56,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:26:56,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1381648941, now seen corresponding path program 1 times [2020-11-29 19:26:56,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:26:56,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997918222] [2020-11-29 19:26:56,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:26:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:26:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-11-29 19:26:56,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997918222] [2020-11-29 19:26:56,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:26:56,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:26:56,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405391102] [2020-11-29 19:26:56,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:26:56,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:26:56,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:26:56,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:26:56,714 INFO L87 Difference]: Start difference. First operand 1672 states and 1973 transitions. Second operand 3 states. [2020-11-29 19:26:57,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:26:57,857 INFO L93 Difference]: Finished difference Result 3618 states and 4365 transitions. [2020-11-29 19:26:57,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:26:57,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 366 [2020-11-29 19:26:57,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:26:57,859 INFO L225 Difference]: With dead ends: 3618 [2020-11-29 19:26:57,859 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:26:57,865 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 19:26:57,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:26:57,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:26:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:26:57,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:26:57,866 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 366 [2020-11-29 19:26:57,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:26:57,866 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:26:57,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:26:57,866 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:26:57,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:26:57,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:26:57,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:26:58,113 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 21 [2020-11-29 19:26:58,119 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-29 19:26:58,120 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-29 19:26:58,120 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-29 19:26:58,120 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-29 19:26:58,120 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-29 19:26:58,120 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-29 19:26:58,120 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,121 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,121 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,121 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,121 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,121 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,121 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-29 19:26:58,121 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 19:26:58,122 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 19:26:58,122 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 19:26:58,122 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 19:26:58,122 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 19:26:58,122 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 19:26:58,122 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-29 19:26:58,122 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-29 19:26:58,123 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-29 19:26:58,123 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-29 19:26:58,123 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-29 19:26:58,123 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-29 19:26:58,123 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,123 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,123 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,124 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,124 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,124 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,124 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-29 19:26:58,124 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-29 19:26:58,124 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-29 19:26:58,124 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 19:26:58,125 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 19:26:58,125 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 19:26:58,125 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 19:26:58,125 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 19:26:58,125 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 19:26:58,125 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-29 19:26:58,125 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-29 19:26:58,126 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-29 19:26:58,126 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,130 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,130 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,130 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,130 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,131 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,131 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-29 19:26:58,131 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-29 19:26:58,131 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-29 19:26:58,131 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 19:26:58,131 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 19:26:58,131 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 19:26:58,131 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 19:26:58,132 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 19:26:58,132 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 19:26:58,132 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-29 19:26:58,132 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-29 19:26:58,132 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-29 19:26:58,132 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 19:26:58,132 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-29 19:26:58,133 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,133 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,133 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,133 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,133 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,133 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,133 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-29 19:26:58,133 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-29 19:26:58,134 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 19:26:58,134 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 19:26:58,134 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 19:26:58,134 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 19:26:58,134 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 19:26:58,134 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 19:26:58,134 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-29 19:26:58,134 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-29 19:26:58,135 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-29 19:26:58,135 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,135 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,135 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,135 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,135 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,135 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-29 19:26:58,136 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-29 19:26:58,136 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-29 19:26:58,136 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-29 19:26:58,136 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 19:26:58,136 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 19:26:58,136 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 19:26:58,136 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 19:26:58,136 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 19:26:58,137 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-29 19:26:58,137 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-29 19:26:58,137 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-29 19:26:58,137 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-29 19:26:58,137 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-29 19:26:58,137 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,137 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,137 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,138 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,138 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,138 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-29 19:26:58,138 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:26:58,138 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 19:26:58,138 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 19:26:58,139 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 19:26:58,139 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 19:26:58,139 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 19:26:58,141 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (= ~a10~0 4)) (and (= ~a10~0 3) .cse0 .cse1) (and .cse0 (= ~a10~0 0) .cse1) (and .cse0 .cse1 (not (= ~a19~0 6))))) [2020-11-29 19:26:58,141 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-29 19:26:58,141 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-29 19:26:58,141 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-29 19:26:58,141 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-29 19:26:58,142 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,142 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,142 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,142 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,142 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,142 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-29 19:26:58,143 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-29 19:26:58,143 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-29 19:26:58,143 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 19:26:58,143 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 19:26:58,143 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 19:26:58,144 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 19:26:58,144 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 19:26:58,144 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-29 19:26:58,144 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-29 19:26:58,144 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-29 19:26:58,144 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-29 19:26:58,145 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-29 19:26:58,145 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-29 19:26:58,145 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:26:58,145 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,145 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,145 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,146 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,146 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,146 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 19:26:58,146 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 19:26:58,146 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 19:26:58,146 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 19:26:58,147 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 19:26:58,147 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-29 19:26:58,147 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-29 19:26:58,147 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-29 19:26:58,147 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-29 19:26:58,147 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,148 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,149 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,149 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,149 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:26:58,149 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,149 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-29 19:26:58,150 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-29 19:26:58,150 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-29 19:26:58,150 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-29 19:26:58,150 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 19:26:58,150 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 19:26:58,150 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 19:26:58,151 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 19:26:58,151 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 19:26:58,151 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-29 19:26:58,151 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-29 19:26:58,151 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-29 19:26:58,153 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (= ~a10~0 4)) (and (= ~a10~0 3) .cse0 .cse1) (and .cse0 (= ~a10~0 0) .cse1) (and .cse0 .cse1 (not (= ~a19~0 6))))) [2020-11-29 19:26:58,153 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-29 19:26:58,153 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,153 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,154 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,154 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,154 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-29 19:26:58,154 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,154 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,154 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-29 19:26:58,155 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-29 19:26:58,155 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-29 19:26:58,155 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 19:26:58,155 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 19:26:58,155 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 19:26:58,155 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 19:26:58,155 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 19:26:58,156 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-29 19:26:58,156 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:26:58,156 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 19:26:58,156 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-29 19:26:58,156 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-29 19:26:58,157 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-29 19:26:58,157 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-29 19:26:58,157 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,157 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,157 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,157 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,158 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,158 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 19:26:58,158 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-29 19:26:58,158 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-29 19:26:58,158 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-29 19:26:58,158 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 19:26:58,159 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 19:26:58,159 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 19:26:58,159 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 19:26:58,159 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 19:26:58,159 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 19:26:58,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:26:58 BoogieIcfgContainer [2020-11-29 19:26:58,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:26:58,191 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:26:58,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:26:58,192 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:26:58,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:26:42" (3/4) ... [2020-11-29 19:26:58,196 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:26:58,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:26:58,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:26:58,236 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:26:58,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:26:58,461 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_caeaf6d6-0a65-4fa7-98b7-a69ceeebba0b/bin/uautomizer/witness.graphml [2020-11-29 19:26:58,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:26:58,462 INFO L168 Benchmark]: Toolchain (without parser) took 19235.58 ms. Allocated memory was 102.8 MB in the beginning and 400.6 MB in the end (delta: 297.8 MB). Free memory was 67.1 MB in the beginning and 339.3 MB in the end (delta: -272.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:58,464 INFO L168 Benchmark]: CDTParser took 1.35 ms. Allocated memory is still 102.8 MB. Free memory was 73.8 MB in the beginning and 73.8 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:26:58,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 881.70 ms. Allocated memory is still 102.8 MB. Free memory was 66.9 MB in the beginning and 62.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:58,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.13 ms. Allocated memory is still 102.8 MB. Free memory was 62.8 MB in the beginning and 55.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:58,465 INFO L168 Benchmark]: Boogie Preprocessor took 133.28 ms. Allocated memory is still 102.8 MB. Free memory was 55.0 MB in the beginning and 49.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:58,466 INFO L168 Benchmark]: RCFGBuilder took 2378.25 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 49.8 MB in the beginning and 99.0 MB in the end (delta: -49.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:58,466 INFO L168 Benchmark]: TraceAbstraction took 15396.68 ms. Allocated memory was 132.1 MB in the beginning and 400.6 MB in the end (delta: 268.4 MB). Free memory was 99.0 MB in the beginning and 355.0 MB in the end (delta: -256.0 MB). Peak memory consumption was 227.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:58,467 INFO L168 Benchmark]: Witness Printer took 269.55 ms. Allocated memory is still 400.6 MB. Free memory was 355.0 MB in the beginning and 339.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:58,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35 ms. Allocated memory is still 102.8 MB. Free memory was 73.8 MB in the beginning and 73.8 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 881.70 ms. Allocated memory is still 102.8 MB. Free memory was 66.9 MB in the beginning and 62.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 151.13 ms. Allocated memory is still 102.8 MB. Free memory was 62.8 MB in the beginning and 55.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 133.28 ms. Allocated memory is still 102.8 MB. Free memory was 55.0 MB in the beginning and 49.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2378.25 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 49.8 MB in the beginning and 99.0 MB in the end (delta: -49.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15396.68 ms. Allocated memory was 132.1 MB in the beginning and 400.6 MB in the end (delta: 268.4 MB). Free memory was 99.0 MB in the beginning and 355.0 MB in the end (delta: -256.0 MB). Peak memory consumption was 227.1 MB. Max. memory is 16.1 GB. * Witness Printer took 269.55 ms. Allocated memory is still 400.6 MB. Free memory was 355.0 MB in the beginning and 339.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((14 == a4 && a12 == 0) && a10 == 4) || ((a10 == 3 && 14 == a4) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((14 == a4 && a12 == 0) && !(a19 == 6)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((14 == a4 && a12 == 0) && a10 == 4) || ((a10 == 3 && 14 == a4) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((14 == a4 && a12 == 0) && !(a19 == 6)) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.9s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 987 SDtfs, 1109 SDslu, 48 SDs, 0 SdLazy, 3311 SolverSat, 702 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1672occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 278 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 38 NumberOfFragments, 85 HoareAnnotationTreeSize, 3 FomulaSimplifications, 494 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2582 NumberOfCodeBlocks, 2582 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2573 ConstructedInterpolants, 0 QuantifiedInterpolants, 2441428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 498 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 2616/2661 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...