./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label08.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_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label08.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/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 946fc0261ad0dd008fd2bbde6189934eae32a120 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:21:37,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:21:37,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:21:38,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:21:38,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:21:38,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:21:38,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:21:38,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:21:38,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:21:38,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:21:38,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:21:38,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:21:38,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:21:38,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:21:38,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:21:38,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:21:38,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:21:38,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:21:38,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:21:38,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:21:38,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:21:38,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:21:38,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:21:38,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:21:38,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:21:38,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:21:38,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:21:38,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:21:38,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:21:38,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:21:38,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:21:38,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:21:38,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:21:38,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:21:38,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:21:38,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:21:38,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:21:38,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:21:38,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:21:38,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:21:38,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:21:38,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:21:38,136 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:21:38,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:21:38,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:21:38,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:21:38,138 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:21:38,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:21:38,138 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:21:38,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:21:38,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:21:38,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:21:38,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:21:38,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:21:38,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:21:38,140 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:21:38,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:21:38,141 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:21:38,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:21:38,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:21:38,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:21:38,142 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:21:38,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:21:38,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:21:38,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:21:38,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:21:38,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:21:38,143 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:21:38,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:21:38,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:21:38,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:21:38,144 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_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946fc0261ad0dd008fd2bbde6189934eae32a120 [2020-11-30 00:21:38,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:21:38,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:21:38,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:21:38,433 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:21:38,435 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:21:38,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label08.c [2020-11-30 00:21:38,520 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/bin/uautomizer/data/73c2e7b13/32836e4a76f041ee95bb91f07a0d544a/FLAG2c21be15a [2020-11-30 00:21:39,076 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:21:39,077 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/sv-benchmarks/c/eca-rers2012/Problem10_label08.c [2020-11-30 00:21:39,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/bin/uautomizer/data/73c2e7b13/32836e4a76f041ee95bb91f07a0d544a/FLAG2c21be15a [2020-11-30 00:21:39,531 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/bin/uautomizer/data/73c2e7b13/32836e4a76f041ee95bb91f07a0d544a [2020-11-30 00:21:39,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:21:39,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:21:39,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:21:39,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:21:39,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:21:39,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:21:39" (1/1) ... [2020-11-30 00:21:39,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3ffbe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:39, skipping insertion in model container [2020-11-30 00:21:39,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:21:39" (1/1) ... [2020-11-30 00:21:39,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:21:39,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:21:39,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:21:40,010 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:21:40,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:21:40,199 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:21:40,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:40 WrapperNode [2020-11-30 00:21:40,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:21:40,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:21:40,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:21:40,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:21:40,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:40" (1/1) ... [2020-11-30 00:21:40,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:40" (1/1) ... [2020-11-30 00:21:40,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:21:40,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:21:40,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:21:40,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:21:40,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:40" (1/1) ... [2020-11-30 00:21:40,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:40" (1/1) ... [2020-11-30 00:21:40,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:40" (1/1) ... [2020-11-30 00:21:40,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:40" (1/1) ... [2020-11-30 00:21:40,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:40" (1/1) ... [2020-11-30 00:21:40,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:40" (1/1) ... [2020-11-30 00:21:40,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:40" (1/1) ... [2020-11-30 00:21:40,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:21:40,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:21:40,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:21:40,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:21:40,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:21:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:21:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:21:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:21:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:21:42,187 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:21:42,188 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:21:42,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:21:42 BoogieIcfgContainer [2020-11-30 00:21:42,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:21:42,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:21:42,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:21:42,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:21:42,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:21:39" (1/3) ... [2020-11-30 00:21:42,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295024f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:21:42, skipping insertion in model container [2020-11-30 00:21:42,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:40" (2/3) ... [2020-11-30 00:21:42,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295024f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:21:42, skipping insertion in model container [2020-11-30 00:21:42,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:21:42" (3/3) ... [2020-11-30 00:21:42,202 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label08.c [2020-11-30 00:21:42,217 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:21:42,222 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:21:42,235 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:21:42,280 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:21:42,280 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:21:42,280 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:21:42,280 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:21:42,281 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:21:42,281 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:21:42,282 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:21:42,282 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:21:42,307 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-30 00:21:42,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-30 00:21:42,318 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:42,319 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] [2020-11-30 00:21:42,319 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:21:42,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:42,324 INFO L82 PathProgramCache]: Analyzing trace with hash 2102454322, now seen corresponding path program 1 times [2020-11-30 00:21:42,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:21:42,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108879815] [2020-11-30 00:21:42,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:21:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:42,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:42,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108879815] [2020-11-30 00:21:42,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:42,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:21:42,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300210165] [2020-11-30 00:21:42,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:21:42,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:21:42,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:21:42,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:42,681 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-30 00:21:44,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:44,098 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-11-30 00:21:44,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:21:44,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-11-30 00:21:44,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:44,113 INFO L225 Difference]: With dead ends: 553 [2020-11-30 00:21:44,114 INFO L226 Difference]: Without dead ends: 282 [2020-11-30 00:21:44,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:44,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-30 00:21:44,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-30 00:21:44,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-30 00:21:44,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2020-11-30 00:21:44,213 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 40 [2020-11-30 00:21:44,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:44,214 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2020-11-30 00:21:44,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:21:44,215 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2020-11-30 00:21:44,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-11-30 00:21:44,222 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:44,223 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:44,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:21:44,223 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:21:44,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:44,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1524090973, now seen corresponding path program 1 times [2020-11-30 00:21:44,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:21:44,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660514222] [2020-11-30 00:21:44,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:21:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:44,449 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:44,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660514222] [2020-11-30 00:21:44,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:44,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:21:44,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134911713] [2020-11-30 00:21:44,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:21:44,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:21:44,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:21:44,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:44,456 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2020-11-30 00:21:45,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:45,288 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2020-11-30 00:21:45,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:21:45,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-11-30 00:21:45,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:45,293 INFO L225 Difference]: With dead ends: 701 [2020-11-30 00:21:45,293 INFO L226 Difference]: Without dead ends: 421 [2020-11-30 00:21:45,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:45,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-11-30 00:21:45,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-11-30 00:21:45,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-30 00:21:45,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 596 transitions. [2020-11-30 00:21:45,322 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 596 transitions. Word has length 109 [2020-11-30 00:21:45,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:45,323 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 596 transitions. [2020-11-30 00:21:45,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:21:45,323 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 596 transitions. [2020-11-30 00:21:45,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-11-30 00:21:45,325 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:45,326 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:45,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:21:45,326 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:21:45,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:45,327 INFO L82 PathProgramCache]: Analyzing trace with hash 2061521422, now seen corresponding path program 1 times [2020-11-30 00:21:45,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:21:45,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929229143] [2020-11-30 00:21:45,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:21:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:45,474 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:45,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929229143] [2020-11-30 00:21:45,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:45,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:21:45,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404369167] [2020-11-30 00:21:45,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:21:45,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:21:45,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:21:45,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:45,480 INFO L87 Difference]: Start difference. First operand 421 states and 596 transitions. Second operand 3 states. [2020-11-30 00:21:46,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:46,187 INFO L93 Difference]: Finished difference Result 562 states and 787 transitions. [2020-11-30 00:21:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:21:46,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-11-30 00:21:46,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:46,197 INFO L225 Difference]: With dead ends: 562 [2020-11-30 00:21:46,197 INFO L226 Difference]: Without dead ends: 560 [2020-11-30 00:21:46,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:46,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-30 00:21:46,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2020-11-30 00:21:46,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-30 00:21:46,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 596 transitions. [2020-11-30 00:21:46,224 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 596 transitions. Word has length 115 [2020-11-30 00:21:46,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:46,227 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 596 transitions. [2020-11-30 00:21:46,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:21:46,228 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 596 transitions. [2020-11-30 00:21:46,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-30 00:21:46,233 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:46,234 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:46,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:21:46,234 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:21:46,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:46,238 INFO L82 PathProgramCache]: Analyzing trace with hash -532965216, now seen corresponding path program 1 times [2020-11-30 00:21:46,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:21:46,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179166582] [2020-11-30 00:21:46,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:21:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:46,468 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:46,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179166582] [2020-11-30 00:21:46,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:46,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:21:46,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260326223] [2020-11-30 00:21:46,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:21:46,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:21:46,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:21:46,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:21:46,471 INFO L87 Difference]: Start difference. First operand 421 states and 596 transitions. Second operand 4 states. [2020-11-30 00:21:47,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:47,337 INFO L93 Difference]: Finished difference Result 990 states and 1390 transitions. [2020-11-30 00:21:47,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:21:47,341 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 118 [2020-11-30 00:21:47,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:47,345 INFO L225 Difference]: With dead ends: 990 [2020-11-30 00:21:47,345 INFO L226 Difference]: Without dead ends: 571 [2020-11-30 00:21:47,350 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 [2020-11-30 00:21:47,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-11-30 00:21:47,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 560. [2020-11-30 00:21:47,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-30 00:21:47,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 740 transitions. [2020-11-30 00:21:47,370 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 740 transitions. Word has length 118 [2020-11-30 00:21:47,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:47,371 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 740 transitions. [2020-11-30 00:21:47,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:21:47,372 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 740 transitions. [2020-11-30 00:21:47,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-11-30 00:21:47,380 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:47,380 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:47,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:21:47,381 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:21:47,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:47,383 INFO L82 PathProgramCache]: Analyzing trace with hash 993413868, now seen corresponding path program 1 times [2020-11-30 00:21:47,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:21:47,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529547963] [2020-11-30 00:21:47,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:21:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:47,568 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:47,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529547963] [2020-11-30 00:21:47,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:47,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:21:47,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798469313] [2020-11-30 00:21:47,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:21:47,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:21:47,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:21:47,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:47,571 INFO L87 Difference]: Start difference. First operand 560 states and 740 transitions. Second operand 3 states. [2020-11-30 00:21:48,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:48,218 INFO L93 Difference]: Finished difference Result 1257 states and 1713 transitions. [2020-11-30 00:21:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:21:48,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2020-11-30 00:21:48,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:48,224 INFO L225 Difference]: With dead ends: 1257 [2020-11-30 00:21:48,224 INFO L226 Difference]: Without dead ends: 838 [2020-11-30 00:21:48,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:48,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-11-30 00:21:48,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-11-30 00:21:48,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-11-30 00:21:48,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1039 transitions. [2020-11-30 00:21:48,247 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1039 transitions. Word has length 184 [2020-11-30 00:21:48,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:48,248 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1039 transitions. [2020-11-30 00:21:48,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:21:48,248 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1039 transitions. [2020-11-30 00:21:48,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-11-30 00:21:48,251 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:48,252 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:48,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:21:48,252 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:21:48,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:48,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1803137404, now seen corresponding path program 1 times [2020-11-30 00:21:48,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:21:48,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637165975] [2020-11-30 00:21:48,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:21:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:48,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637165975] [2020-11-30 00:21:48,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:48,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 00:21:48,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946427161] [2020-11-30 00:21:48,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:21:48,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:21:48,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:21:48,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:21:48,616 INFO L87 Difference]: Start difference. First operand 838 states and 1039 transitions. Second operand 7 states. [2020-11-30 00:21:49,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:49,302 INFO L93 Difference]: Finished difference Result 1590 states and 1987 transitions. [2020-11-30 00:21:49,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:21:49,303 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-11-30 00:21:49,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:49,307 INFO L225 Difference]: With dead ends: 1590 [2020-11-30 00:21:49,308 INFO L226 Difference]: Without dead ends: 838 [2020-11-30 00:21:49,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:21:49,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-11-30 00:21:49,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-11-30 00:21:49,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-11-30 00:21:49,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1035 transitions. [2020-11-30 00:21:49,330 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1035 transitions. Word has length 193 [2020-11-30 00:21:49,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:49,334 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1035 transitions. [2020-11-30 00:21:49,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:21:49,334 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1035 transitions. [2020-11-30 00:21:49,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-11-30 00:21:49,338 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:49,338 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:49,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:21:49,340 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:21:49,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:49,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1363633442, now seen corresponding path program 1 times [2020-11-30 00:21:49,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:21:49,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235402660] [2020-11-30 00:21:49,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:21:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:49,527 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:49,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235402660] [2020-11-30 00:21:49,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:49,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:21:49,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199982853] [2020-11-30 00:21:49,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:21:49,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:21:49,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:21:49,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:49,531 INFO L87 Difference]: Start difference. First operand 838 states and 1035 transitions. Second operand 3 states. [2020-11-30 00:21:50,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:50,274 INFO L93 Difference]: Finished difference Result 1952 states and 2515 transitions. [2020-11-30 00:21:50,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:21:50,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-11-30 00:21:50,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:50,282 INFO L225 Difference]: With dead ends: 1952 [2020-11-30 00:21:50,282 INFO L226 Difference]: Without dead ends: 1255 [2020-11-30 00:21:50,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:50,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-11-30 00:21:50,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2020-11-30 00:21:50,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-11-30 00:21:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1363 transitions. [2020-11-30 00:21:50,312 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1363 transitions. Word has length 229 [2020-11-30 00:21:50,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:50,313 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1363 transitions. [2020-11-30 00:21:50,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:21:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1363 transitions. [2020-11-30 00:21:50,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-11-30 00:21:50,318 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:50,318 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:50,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:21:50,319 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:21:50,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:50,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1513176356, now seen corresponding path program 1 times [2020-11-30 00:21:50,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:21:50,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480359548] [2020-11-30 00:21:50,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:21:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:50,550 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-11-30 00:21:50,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480359548] [2020-11-30 00:21:50,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:50,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:21:50,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184343798] [2020-11-30 00:21:50,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:21:50,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:21:50,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:21:50,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:50,553 INFO L87 Difference]: Start difference. First operand 1116 states and 1363 transitions. Second operand 3 states. [2020-11-30 00:21:51,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:51,384 INFO L93 Difference]: Finished difference Result 2369 states and 2958 transitions. [2020-11-30 00:21:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:21:51,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 264 [2020-11-30 00:21:51,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:51,394 INFO L225 Difference]: With dead ends: 2369 [2020-11-30 00:21:51,394 INFO L226 Difference]: Without dead ends: 1394 [2020-11-30 00:21:51,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:51,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-11-30 00:21:51,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-11-30 00:21:51,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-30 00:21:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1456 transitions. [2020-11-30 00:21:51,431 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1456 transitions. Word has length 264 [2020-11-30 00:21:51,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:51,432 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1456 transitions. [2020-11-30 00:21:51,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:21:51,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1456 transitions. [2020-11-30 00:21:51,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-11-30 00:21:51,440 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:51,440 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:51,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:21:51,441 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:21:51,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:51,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1394803735, now seen corresponding path program 1 times [2020-11-30 00:21:51,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:21:51,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175503792] [2020-11-30 00:21:51,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:21:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-11-30 00:21:51,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175503792] [2020-11-30 00:21:51,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:51,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:21:51,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695631280] [2020-11-30 00:21:51,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:21:51,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:21:51,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:21:51,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:51,713 INFO L87 Difference]: Start difference. First operand 1255 states and 1456 transitions. Second operand 3 states. [2020-11-30 00:21:52,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:52,468 INFO L93 Difference]: Finished difference Result 1396 states and 1605 transitions. [2020-11-30 00:21:52,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:21:52,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 318 [2020-11-30 00:21:52,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:52,476 INFO L225 Difference]: With dead ends: 1396 [2020-11-30 00:21:52,477 INFO L226 Difference]: Without dead ends: 1394 [2020-11-30 00:21:52,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:52,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-11-30 00:21:52,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1116. [2020-11-30 00:21:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-11-30 00:21:52,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1306 transitions. [2020-11-30 00:21:52,507 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1306 transitions. Word has length 318 [2020-11-30 00:21:52,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:52,508 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1306 transitions. [2020-11-30 00:21:52,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:21:52,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1306 transitions. [2020-11-30 00:21:52,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-11-30 00:21:52,515 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:52,516 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:52,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:21:52,516 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:21:52,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:52,517 INFO L82 PathProgramCache]: Analyzing trace with hash -2085019797, now seen corresponding path program 1 times [2020-11-30 00:21:52,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:21:52,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593774105] [2020-11-30 00:21:52,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:21:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:52,726 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-30 00:21:52,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593774105] [2020-11-30 00:21:52,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:52,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:21:52,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653464110] [2020-11-30 00:21:52,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:21:52,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:21:52,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:21:52,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:52,728 INFO L87 Difference]: Start difference. First operand 1116 states and 1306 transitions. Second operand 3 states. [2020-11-30 00:21:53,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:53,422 INFO L93 Difference]: Finished difference Result 2369 states and 2844 transitions. [2020-11-30 00:21:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:21:53,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 339 [2020-11-30 00:21:53,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:53,430 INFO L225 Difference]: With dead ends: 2369 [2020-11-30 00:21:53,430 INFO L226 Difference]: Without dead ends: 1394 [2020-11-30 00:21:53,432 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:53,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-11-30 00:21:53,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-11-30 00:21:53,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-30 00:21:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2020-11-30 00:21:53,460 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 339 [2020-11-30 00:21:53,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:53,461 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2020-11-30 00:21:53,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:21:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2020-11-30 00:21:53,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-11-30 00:21:53,469 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:53,469 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:53,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:21:53,470 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:21:53,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:53,470 INFO L82 PathProgramCache]: Analyzing trace with hash -169812654, now seen corresponding path program 1 times [2020-11-30 00:21:53,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:21:53,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141250207] [2020-11-30 00:21:53,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:21:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:53,982 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 313 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:53,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141250207] [2020-11-30 00:21:53,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467143129] [2020-11-30 00:21:53,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:21:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:54,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:21:54,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:21:54,405 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-30 00:21:54,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:21:54,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-30 00:21:54,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328245642] [2020-11-30 00:21:54,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:21:54,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:21:54,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:21:54,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:21:54,407 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states. [2020-11-30 00:21:55,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:55,219 INFO L93 Difference]: Finished difference Result 3203 states and 3742 transitions. [2020-11-30 00:21:55,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:21:55,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2020-11-30 00:21:55,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:55,230 INFO L225 Difference]: With dead ends: 3203 [2020-11-30 00:21:55,231 INFO L226 Difference]: Without dead ends: 2089 [2020-11-30 00:21:55,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:21:55,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-11-30 00:21:55,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-11-30 00:21:55,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-11-30 00:21:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2369 transitions. [2020-11-30 00:21:55,280 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2369 transitions. Word has length 340 [2020-11-30 00:21:55,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:55,281 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2369 transitions. [2020-11-30 00:21:55,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:21:55,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2369 transitions. [2020-11-30 00:21:55,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-11-30 00:21:55,286 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:55,286 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 00:21:55,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-30 00:21:55,502 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:21:55,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:55,502 INFO L82 PathProgramCache]: Analyzing trace with hash -156511504, now seen corresponding path program 1 times [2020-11-30 00:21:55,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:21:55,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983202176] [2020-11-30 00:21:55,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:21:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-11-30 00:21:55,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983202176] [2020-11-30 00:21:55,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:55,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:21:55,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240464652] [2020-11-30 00:21:55,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:21:55,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:21:55,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:21:55,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:55,744 INFO L87 Difference]: Start difference. First operand 2089 states and 2369 transitions. Second operand 3 states. [2020-11-30 00:21:56,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:56,478 INFO L93 Difference]: Finished difference Result 4035 states and 4592 transitions. [2020-11-30 00:21:56,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:21:56,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2020-11-30 00:21:56,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:56,480 INFO L225 Difference]: With dead ends: 4035 [2020-11-30 00:21:56,480 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:21:56,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:56,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:21:56,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:21:56,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:21:56,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:21:56,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 353 [2020-11-30 00:21:56,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:56,485 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:21:56,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:21:56,486 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:21:56,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:21:56,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 00:21:56,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:21:56,742 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-11-30 00:21:56,898 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-11-30 00:21:56,903 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-30 00:21:56,903 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-30 00:21:56,904 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-30 00:21:56,904 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-30 00:21:56,904 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-30 00:21:56,904 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-30 00:21:56,904 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,904 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,904 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,904 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,904 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,905 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,905 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-30 00:21:56,905 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-30 00:21:56,905 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-30 00:21:56,905 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-30 00:21:56,905 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-30 00:21:56,905 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-30 00:21:56,905 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-30 00:21:56,905 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-30 00:21:56,905 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-30 00:21:56,906 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-30 00:21:56,906 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-30 00:21:56,906 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-30 00:21:56,906 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-30 00:21:56,906 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,906 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,906 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,906 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,906 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,906 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,907 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-30 00:21:56,907 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-30 00:21:56,907 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-30 00:21:56,907 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-30 00:21:56,907 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-30 00:21:56,907 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-30 00:21:56,907 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-30 00:21:56,907 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-30 00:21:56,907 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-30 00:21:56,907 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-30 00:21:56,908 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-30 00:21:56,908 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-30 00:21:56,908 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,908 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,908 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,908 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,908 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,908 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,908 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-30 00:21:56,908 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-30 00:21:56,909 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-30 00:21:56,909 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-30 00:21:56,909 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-30 00:21:56,909 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-30 00:21:56,909 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-30 00:21:56,909 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-30 00:21:56,909 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-30 00:21:56,909 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-30 00:21:56,909 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-30 00:21:56,909 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-30 00:21:56,912 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:21:56,912 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-30 00:21:56,912 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,912 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,912 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,913 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,913 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,913 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,913 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-30 00:21:56,913 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-30 00:21:56,913 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-30 00:21:56,913 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-30 00:21:56,913 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-30 00:21:56,913 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-30 00:21:56,913 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-30 00:21:56,914 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-30 00:21:56,914 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-30 00:21:56,914 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-30 00:21:56,914 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-30 00:21:56,914 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,914 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,914 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,914 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,914 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,914 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-30 00:21:56,914 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-30 00:21:56,915 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-30 00:21:56,915 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-30 00:21:56,915 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-30 00:21:56,915 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-30 00:21:56,915 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-30 00:21:56,915 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-30 00:21:56,915 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-30 00:21:56,915 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-30 00:21:56,915 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-30 00:21:56,915 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-30 00:21:56,916 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-30 00:21:56,916 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-30 00:21:56,916 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,916 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,916 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,916 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,916 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,916 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-30 00:21:56,916 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:21:56,916 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-30 00:21:56,916 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-30 00:21:56,917 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-30 00:21:56,917 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-30 00:21:56,917 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-30 00:21:56,919 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse3 (<= 7 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 (= ~a10~0 4)) (and .cse0 (= ~a10~0 2) .cse3 .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and (= ~a10~0 1) .cse0 .cse3 .cse1) (and .cse0 (= ~a10~0 0) .cse1))) [2020-11-30 00:21:56,919 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-30 00:21:56,919 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-30 00:21:56,919 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-30 00:21:56,919 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-30 00:21:56,919 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,919 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,919 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,919 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,919 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,920 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-30 00:21:56,920 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-30 00:21:56,920 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-30 00:21:56,920 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-30 00:21:56,921 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-30 00:21:56,921 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-30 00:21:56,921 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-30 00:21:56,921 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-30 00:21:56,921 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-30 00:21:56,921 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-30 00:21:56,921 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-30 00:21:56,921 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-30 00:21:56,922 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-30 00:21:56,922 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-30 00:21:56,922 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:21:56,922 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,922 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,922 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,922 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,922 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,922 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-30 00:21:56,922 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-30 00:21:56,922 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-30 00:21:56,923 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-30 00:21:56,923 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-30 00:21:56,923 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-30 00:21:56,923 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-30 00:21:56,923 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-30 00:21:56,923 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-30 00:21:56,923 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,923 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,924 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,924 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,924 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:21:56,924 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,925 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-30 00:21:56,925 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-30 00:21:56,925 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-30 00:21:56,925 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-30 00:21:56,925 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-30 00:21:56,925 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-30 00:21:56,925 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-30 00:21:56,925 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-30 00:21:56,925 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-30 00:21:56,925 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-30 00:21:56,926 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-30 00:21:56,926 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-30 00:21:56,926 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse3 (<= 7 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 (= ~a10~0 4)) (and .cse0 (= ~a10~0 2) .cse3 .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and (= ~a10~0 1) .cse0 .cse3 .cse1) (and .cse0 (= ~a10~0 0) .cse1))) [2020-11-30 00:21:56,926 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-30 00:21:56,926 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,926 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,926 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,926 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,926 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-30 00:21:56,927 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,927 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,927 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-30 00:21:56,927 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-30 00:21:56,927 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-30 00:21:56,927 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-30 00:21:56,927 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-30 00:21:56,927 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-30 00:21:56,927 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-30 00:21:56,927 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-30 00:21:56,927 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-30 00:21:56,928 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:21:56,928 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 00:21:56,928 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-30 00:21:56,928 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-30 00:21:56,928 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-30 00:21:56,928 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-30 00:21:56,928 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,928 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,928 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,928 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,929 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,929 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:21:56,929 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-30 00:21:56,929 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-30 00:21:56,929 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-30 00:21:56,929 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-30 00:21:56,929 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-30 00:21:56,929 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-30 00:21:56,929 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-30 00:21:56,929 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-30 00:21:56,930 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-30 00:21:56,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:21:56 BoogieIcfgContainer [2020-11-30 00:21:56,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:21:56,965 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:21:56,965 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:21:56,965 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:21:56,966 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:21:42" (3/4) ... [2020-11-30 00:21:56,971 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:21:57,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:21:57,004 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:21:57,006 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:21:57,007 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:21:57,197 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2fd8ae90-1d42-4f3c-8545-0e93e0ade65f/bin/uautomizer/witness.graphml [2020-11-30 00:21:57,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:21:57,198 INFO L168 Benchmark]: Toolchain (without parser) took 17661.87 ms. Allocated memory was 86.0 MB in the beginning and 379.6 MB in the end (delta: 293.6 MB). Free memory was 51.4 MB in the beginning and 296.0 MB in the end (delta: -244.6 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:57,198 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:21:57,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.27 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.1 MB in the beginning and 63.4 MB in the end (delta: -12.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:57,199 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.36 ms. Allocated memory is still 104.9 MB. Free memory was 63.4 MB in the beginning and 55.6 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:57,199 INFO L168 Benchmark]: Boogie Preprocessor took 117.27 ms. Allocated memory is still 104.9 MB. Free memory was 55.6 MB in the beginning and 50.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:57,200 INFO L168 Benchmark]: RCFGBuilder took 1764.02 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 50.4 MB in the beginning and 93.6 MB in the end (delta: -43.2 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:57,200 INFO L168 Benchmark]: TraceAbstraction took 14770.89 ms. Allocated memory was 134.2 MB in the beginning and 379.6 MB in the end (delta: 245.4 MB). Free memory was 92.5 MB in the beginning and 310.7 MB in the end (delta: -218.2 MB). Peak memory consumption was 170.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:57,200 INFO L168 Benchmark]: Witness Printer took 232.09 ms. Allocated memory is still 379.6 MB. Free memory was 310.7 MB in the beginning and 296.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:57,203 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 663.27 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.1 MB in the beginning and 63.4 MB in the end (delta: -12.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.36 ms. Allocated memory is still 104.9 MB. Free memory was 63.4 MB in the beginning and 55.6 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 117.27 ms. Allocated memory is still 104.9 MB. Free memory was 55.6 MB in the beginning and 50.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1764.02 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 50.4 MB in the beginning and 93.6 MB in the end (delta: -43.2 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14770.89 ms. Allocated memory was 134.2 MB in the beginning and 379.6 MB in the end (delta: 245.4 MB). Free memory was 92.5 MB in the beginning and 310.7 MB in the end (delta: -218.2 MB). Peak memory consumption was 170.8 MB. Max. memory is 16.1 GB. * Witness Printer took 232.09 ms. Allocated memory is still 379.6 MB. Free memory was 310.7 MB in the beginning and 296.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 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) && a19 <= 9) && a10 == 4) || ((((14 == a4 && a10 == 2) && 7 <= a19) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 14 == a4) && 7 <= a19) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((14 == a4 && a12 == 0) && a19 <= 9) && a10 == 4) || ((((14 == a4 && a10 == 2) && 7 <= a19) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 14 == a4) && 7 <= a19) && a12 == 0)) || ((14 == a4 && a10 == 0) && a12 == 0) - 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: 14.2s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1291 SDtfs, 1281 SDslu, 63 SDs, 0 SdLazy, 4615 SolverSat, 822 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 378 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 845 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 133 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1884 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 266 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2942 NumberOfCodeBlocks, 2942 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2929 ConstructedInterpolants, 0 QuantifiedInterpolants, 2409731 SizeOfPredicates, 0 NumberOfNonLiveVariables, 486 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 2494/2539 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...