./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label59.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_b298059d-d0b8-4829-b85b-2ad517623399/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label59.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/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 32dcd17dd6150ce526d1225c284848d771c5c1e8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:58:30,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:30,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:30,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:30,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:30,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:30,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:30,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:30,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:30,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:30,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:31,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:31,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:31,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:31,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:31,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:31,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:31,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:31,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:31,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:31,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:31,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:31,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:31,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:31,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:31,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:31,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:31,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:31,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:31,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:31,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:31,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:31,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:31,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:31,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:31,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:31,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:31,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:31,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:31,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:31,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:31,066 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:58:31,112 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:31,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:31,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:31,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:31,114 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:31,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:31,114 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:58:31,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:58:31,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:58:31,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:31,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:58:31,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:58:31,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:58:31,116 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:58:31,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:58:31,117 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:31,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:58:31,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:31,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:31,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:58:31,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:58:31,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:58:31,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:31,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:58:31,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:58:31,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:58:31,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:58:31,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:58:31,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:31,120 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_b298059d-d0b8-4829-b85b-2ad517623399/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32dcd17dd6150ce526d1225c284848d771c5c1e8 [2020-11-28 02:58:31,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:31,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:31,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:31,402 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:31,403 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:31,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label59.c [2020-11-28 02:58:31,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/bin/uautomizer/data/877add762/327a170e56bf4fdaa1e25c08efeb8dad/FLAGdecfd74c5 [2020-11-28 02:58:32,189 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:32,197 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/sv-benchmarks/c/eca-rers2012/Problem01_label59.c [2020-11-28 02:58:32,214 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/bin/uautomizer/data/877add762/327a170e56bf4fdaa1e25c08efeb8dad/FLAGdecfd74c5 [2020-11-28 02:58:32,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/bin/uautomizer/data/877add762/327a170e56bf4fdaa1e25c08efeb8dad [2020-11-28 02:58:32,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:32,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:58:32,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:32,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:32,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:32,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:32" (1/1) ... [2020-11-28 02:58:32,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ecf8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:32, skipping insertion in model container [2020-11-28 02:58:32,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:32" (1/1) ... [2020-11-28 02:58:32,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:32,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:32,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:32,966 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:33,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:33,107 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:33,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:33 WrapperNode [2020-11-28 02:58:33,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:33,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:33,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:58:33,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:58:33,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:33" (1/1) ... [2020-11-28 02:58:33,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:33" (1/1) ... [2020-11-28 02:58:33,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:33,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:33,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:33,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:33,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:33" (1/1) ... [2020-11-28 02:58:33,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:33" (1/1) ... [2020-11-28 02:58:33,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:33" (1/1) ... [2020-11-28 02:58:33,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:33" (1/1) ... [2020-11-28 02:58:33,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:33" (1/1) ... [2020-11-28 02:58:33,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:33" (1/1) ... [2020-11-28 02:58:33,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:33" (1/1) ... [2020-11-28 02:58:33,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:33,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:33,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:33,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:33,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/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 [2020-11-28 02:58:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:58:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:58:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:33,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:34,963 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:34,964 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 02:58:34,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:34 BoogieIcfgContainer [2020-11-28 02:58:34,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:34,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:58:34,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:58:34,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:58:34,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:58:32" (1/3) ... [2020-11-28 02:58:34,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac7997a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:34, skipping insertion in model container [2020-11-28 02:58:34,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:33" (2/3) ... [2020-11-28 02:58:34,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac7997a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:34, skipping insertion in model container [2020-11-28 02:58:34,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:34" (3/3) ... [2020-11-28 02:58:34,978 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label59.c [2020-11-28 02:58:34,990 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:58:34,994 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:58:35,007 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:58:35,052 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:58:35,052 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:58:35,052 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:58:35,052 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:35,052 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:35,053 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:58:35,053 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:35,053 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:58:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-28 02:58:35,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-28 02:58:35,083 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:35,084 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:35,084 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:35,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:35,090 INFO L82 PathProgramCache]: Analyzing trace with hash 806224438, now seen corresponding path program 1 times [2020-11-28 02:58:35,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:35,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751516109] [2020-11-28 02:58:35,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:35,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:35,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751516109] [2020-11-28 02:58:35,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:35,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:35,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980886527] [2020-11-28 02:58:35,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:35,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:35,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:35,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:35,591 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-11-28 02:58:37,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:37,043 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-11-28 02:58:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:37,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-11-28 02:58:37,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:37,066 INFO L225 Difference]: With dead ends: 529 [2020-11-28 02:58:37,072 INFO L226 Difference]: Without dead ends: 266 [2020-11-28 02:58:37,081 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 [2020-11-28 02:58:37,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-28 02:58:37,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-28 02:58:37,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-28 02:58:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2020-11-28 02:58:37,161 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 89 [2020-11-28 02:58:37,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:37,162 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2020-11-28 02:58:37,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:37,162 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2020-11-28 02:58:37,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-11-28 02:58:37,167 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:37,167 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:37,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:58:37,168 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:37,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:37,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1796805183, now seen corresponding path program 1 times [2020-11-28 02:58:37,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:37,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872731005] [2020-11-28 02:58:37,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:37,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872731005] [2020-11-28 02:58:37,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:37,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:37,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561656611] [2020-11-28 02:58:37,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:37,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:37,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:37,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:37,266 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand 3 states. [2020-11-28 02:58:37,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:37,997 INFO L93 Difference]: Finished difference Result 661 states and 955 transitions. [2020-11-28 02:58:37,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:37,997 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-11-28 02:58:37,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:38,000 INFO L225 Difference]: With dead ends: 661 [2020-11-28 02:58:38,000 INFO L226 Difference]: Without dead ends: 397 [2020-11-28 02:58:38,002 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 [2020-11-28 02:58:38,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-11-28 02:58:38,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2020-11-28 02:58:38,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-11-28 02:58:38,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 559 transitions. [2020-11-28 02:58:38,023 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 559 transitions. Word has length 95 [2020-11-28 02:58:38,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:38,024 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 559 transitions. [2020-11-28 02:58:38,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 559 transitions. [2020-11-28 02:58:38,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-11-28 02:58:38,027 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:38,027 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:38,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:58:38,028 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:38,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:38,028 INFO L82 PathProgramCache]: Analyzing trace with hash 2117341889, now seen corresponding path program 1 times [2020-11-28 02:58:38,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:38,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856946932] [2020-11-28 02:58:38,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:38,147 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:38,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856946932] [2020-11-28 02:58:38,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:38,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:38,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577806999] [2020-11-28 02:58:38,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:38,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:38,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:38,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:38,150 INFO L87 Difference]: Start difference. First operand 397 states and 559 transitions. Second operand 3 states. [2020-11-28 02:58:38,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:38,797 INFO L93 Difference]: Finished difference Result 1185 states and 1672 transitions. [2020-11-28 02:58:38,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:38,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-11-28 02:58:38,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:38,804 INFO L225 Difference]: With dead ends: 1185 [2020-11-28 02:58:38,804 INFO L226 Difference]: Without dead ends: 790 [2020-11-28 02:58:38,805 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 [2020-11-28 02:58:38,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-11-28 02:58:38,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 528. [2020-11-28 02:58:38,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-11-28 02:58:38,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 714 transitions. [2020-11-28 02:58:38,840 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 714 transitions. Word has length 96 [2020-11-28 02:58:38,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:38,842 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 714 transitions. [2020-11-28 02:58:38,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 714 transitions. [2020-11-28 02:58:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-11-28 02:58:38,855 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:38,855 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:38,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:58:38,856 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:38,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:38,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1269982918, now seen corresponding path program 1 times [2020-11-28 02:58:38,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:38,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151754477] [2020-11-28 02:58:38,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:38,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151754477] [2020-11-28 02:58:38,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:38,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:38,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46515088] [2020-11-28 02:58:38,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:38,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:38,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:38,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:38,964 INFO L87 Difference]: Start difference. First operand 528 states and 714 transitions. Second operand 3 states. [2020-11-28 02:58:39,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:39,656 INFO L93 Difference]: Finished difference Result 1578 states and 2137 transitions. [2020-11-28 02:58:39,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:39,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-11-28 02:58:39,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:39,663 INFO L225 Difference]: With dead ends: 1578 [2020-11-28 02:58:39,663 INFO L226 Difference]: Without dead ends: 921 [2020-11-28 02:58:39,664 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 [2020-11-28 02:58:39,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-11-28 02:58:39,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 790. [2020-11-28 02:58:39,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-11-28 02:58:39,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 952 transitions. [2020-11-28 02:58:39,688 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 952 transitions. Word has length 97 [2020-11-28 02:58:39,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:39,688 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 952 transitions. [2020-11-28 02:58:39,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:39,688 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 952 transitions. [2020-11-28 02:58:39,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-11-28 02:58:39,690 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:39,690 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:39,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:58:39,691 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:39,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:39,691 INFO L82 PathProgramCache]: Analyzing trace with hash -161675444, now seen corresponding path program 1 times [2020-11-28 02:58:39,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:39,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633926531] [2020-11-28 02:58:39,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:39,805 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:39,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633926531] [2020-11-28 02:58:39,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010187476] [2020-11-28 02:58:39,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/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 [2020-11-28 02:58:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:39,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:58:39,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 02:58:40,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:58:40,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:58:40,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321148009] [2020-11-28 02:58:40,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:40,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:40,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:40,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:40,050 INFO L87 Difference]: Start difference. First operand 790 states and 952 transitions. Second operand 3 states. [2020-11-28 02:58:40,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:40,909 INFO L93 Difference]: Finished difference Result 2102 states and 2510 transitions. [2020-11-28 02:58:40,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:40,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-11-28 02:58:40,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:40,917 INFO L225 Difference]: With dead ends: 2102 [2020-11-28 02:58:40,917 INFO L226 Difference]: Without dead ends: 1052 [2020-11-28 02:58:40,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:40,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-11-28 02:58:40,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 790. [2020-11-28 02:58:40,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-11-28 02:58:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 940 transitions. [2020-11-28 02:58:40,957 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 940 transitions. Word has length 101 [2020-11-28 02:58:40,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:40,957 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 940 transitions. [2020-11-28 02:58:40,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:40,957 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 940 transitions. [2020-11-28 02:58:40,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-28 02:58:40,959 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:40,959 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:41,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:58:41,174 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:41,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:41,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1897080554, now seen corresponding path program 1 times [2020-11-28 02:58:41,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:41,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266908638] [2020-11-28 02:58:41,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:41,268 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 02:58:41,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266908638] [2020-11-28 02:58:41,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:41,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:41,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454642834] [2020-11-28 02:58:41,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:41,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:41,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:41,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:41,272 INFO L87 Difference]: Start difference. First operand 790 states and 940 transitions. Second operand 3 states. [2020-11-28 02:58:42,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:42,137 INFO L93 Difference]: Finished difference Result 2233 states and 2664 transitions. [2020-11-28 02:58:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:42,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-11-28 02:58:42,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:42,148 INFO L225 Difference]: With dead ends: 2233 [2020-11-28 02:58:42,149 INFO L226 Difference]: Without dead ends: 1445 [2020-11-28 02:58:42,151 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 [2020-11-28 02:58:42,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2020-11-28 02:58:42,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1314. [2020-11-28 02:58:42,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-11-28 02:58:42,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1507 transitions. [2020-11-28 02:58:42,201 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1507 transitions. Word has length 106 [2020-11-28 02:58:42,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:42,201 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1507 transitions. [2020-11-28 02:58:42,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:42,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1507 transitions. [2020-11-28 02:58:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-28 02:58:42,207 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:42,208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:42,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:58:42,212 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:42,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:42,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1581064408, now seen corresponding path program 1 times [2020-11-28 02:58:42,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:42,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244543556] [2020-11-28 02:58:42,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:42,323 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:42,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244543556] [2020-11-28 02:58:42,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:42,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:42,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012971424] [2020-11-28 02:58:42,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:42,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:42,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:42,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:42,327 INFO L87 Difference]: Start difference. First operand 1314 states and 1507 transitions. Second operand 3 states. [2020-11-28 02:58:43,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:43,030 INFO L93 Difference]: Finished difference Result 2888 states and 3301 transitions. [2020-11-28 02:58:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:43,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-11-28 02:58:43,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:43,040 INFO L225 Difference]: With dead ends: 2888 [2020-11-28 02:58:43,040 INFO L226 Difference]: Without dead ends: 1576 [2020-11-28 02:58:43,043 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 [2020-11-28 02:58:43,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2020-11-28 02:58:43,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2020-11-28 02:58:43,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2020-11-28 02:58:43,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1782 transitions. [2020-11-28 02:58:43,090 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1782 transitions. Word has length 118 [2020-11-28 02:58:43,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:43,091 INFO L481 AbstractCegarLoop]: Abstraction has 1576 states and 1782 transitions. [2020-11-28 02:58:43,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:43,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1782 transitions. [2020-11-28 02:58:43,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-28 02:58:43,095 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:43,095 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:43,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 02:58:43,096 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:43,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:43,096 INFO L82 PathProgramCache]: Analyzing trace with hash -529125358, now seen corresponding path program 1 times [2020-11-28 02:58:43,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:43,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369247969] [2020-11-28 02:58:43,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:43,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369247969] [2020-11-28 02:58:43,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235020963] [2020-11-28 02:58:43,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:58:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:43,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:58:43,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 02:58:43,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:58:43,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:58:43,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55476006] [2020-11-28 02:58:43,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:43,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:43,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:43,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:43,440 INFO L87 Difference]: Start difference. First operand 1576 states and 1782 transitions. Second operand 3 states. [2020-11-28 02:58:44,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:44,126 INFO L93 Difference]: Finished difference Result 3150 states and 3579 transitions. [2020-11-28 02:58:44,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:44,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-11-28 02:58:44,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:44,139 INFO L225 Difference]: With dead ends: 3150 [2020-11-28 02:58:44,139 INFO L226 Difference]: Without dead ends: 1707 [2020-11-28 02:58:44,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:44,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2020-11-28 02:58:44,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2020-11-28 02:58:44,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2020-11-28 02:58:44,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1729 transitions. [2020-11-28 02:58:44,193 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1729 transitions. Word has length 122 [2020-11-28 02:58:44,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:44,194 INFO L481 AbstractCegarLoop]: Abstraction has 1576 states and 1729 transitions. [2020-11-28 02:58:44,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1729 transitions. [2020-11-28 02:58:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-28 02:58:44,198 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:44,198 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:44,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:58:44,412 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:44,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:44,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1695718228, now seen corresponding path program 1 times [2020-11-28 02:58:44,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:44,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340016747] [2020-11-28 02:58:44,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 02:58:44,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340016747] [2020-11-28 02:58:44,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712166803] [2020-11-28 02:58:44,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:58:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:44,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:58:44,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 02:58:44,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:58:44,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:58:44,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191083596] [2020-11-28 02:58:44,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:44,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:44,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:44,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:44,769 INFO L87 Difference]: Start difference. First operand 1576 states and 1729 transitions. Second operand 3 states. [2020-11-28 02:58:45,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:45,468 INFO L93 Difference]: Finished difference Result 3543 states and 3912 transitions. [2020-11-28 02:58:45,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:45,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-11-28 02:58:45,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:45,484 INFO L225 Difference]: With dead ends: 3543 [2020-11-28 02:58:45,484 INFO L226 Difference]: Without dead ends: 1838 [2020-11-28 02:58:45,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:45,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-11-28 02:58:45,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1445. [2020-11-28 02:58:45,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2020-11-28 02:58:45,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1586 transitions. [2020-11-28 02:58:45,531 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1586 transitions. Word has length 135 [2020-11-28 02:58:45,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:45,532 INFO L481 AbstractCegarLoop]: Abstraction has 1445 states and 1586 transitions. [2020-11-28 02:58:45,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:45,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1586 transitions. [2020-11-28 02:58:45,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-28 02:58:45,536 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:45,536 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:45,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:58:45,762 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:45,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:45,762 INFO L82 PathProgramCache]: Analyzing trace with hash 2053523843, now seen corresponding path program 1 times [2020-11-28 02:58:45,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:45,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524543947] [2020-11-28 02:58:45,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:45,926 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:45,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524543947] [2020-11-28 02:58:45,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744425798] [2020-11-28 02:58:45,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:58:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:46,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:58:46,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:46,119 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:46,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:58:46,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:58:46,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170852549] [2020-11-28 02:58:46,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:46,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:46,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:46,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:46,122 INFO L87 Difference]: Start difference. First operand 1445 states and 1586 transitions. Second operand 3 states. [2020-11-28 02:58:46,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:46,920 INFO L93 Difference]: Finished difference Result 2886 states and 3174 transitions. [2020-11-28 02:58:46,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:46,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-11-28 02:58:46,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:46,922 INFO L225 Difference]: With dead ends: 2886 [2020-11-28 02:58:46,922 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:58:46,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:46,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:58:46,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:58:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:58:46,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:58:46,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 148 [2020-11-28 02:58:46,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:46,927 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:58:46,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:58:46,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:58:47,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:58:47,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:58:47,526 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2020-11-28 02:58:47,809 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2020-11-28 02:58:47,812 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-28 02:58:47,812 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-28 02:58:47,812 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-28 02:58:47,812 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-28 02:58:47,812 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-28 02:58:47,812 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-28 02:58:47,812 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-28 02:58:47,812 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-28 02:58:47,812 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,813 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,813 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,813 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,813 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-28 02:58:47,813 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,813 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,813 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-28 02:58:47,813 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-28 02:58:47,813 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-28 02:58:47,813 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-28 02:58:47,814 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-28 02:58:47,814 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-28 02:58:47,814 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-28 02:58:47,814 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-28 02:58:47,814 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-28 02:58:47,814 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-28 02:58:47,814 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-28 02:58:47,814 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-28 02:58:47,814 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,814 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,814 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,815 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,815 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,815 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-28 02:58:47,815 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,815 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-28 02:58:47,815 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-28 02:58:47,815 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-28 02:58:47,815 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-28 02:58:47,815 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-28 02:58:47,815 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-28 02:58:47,815 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-28 02:58:47,816 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-28 02:58:47,816 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-28 02:58:47,816 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-28 02:58:47,816 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-28 02:58:47,816 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-28 02:58:47,816 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-28 02:58:47,816 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-28 02:58:47,816 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,816 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,816 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,816 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,817 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,817 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,817 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-28 02:58:47,817 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-28 02:58:47,817 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-28 02:58:47,817 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-28 02:58:47,817 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-28 02:58:47,817 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-28 02:58:47,817 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-28 02:58:47,819 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-28 02:58:47,819 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-28 02:58:47,819 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-28 02:58:47,819 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 02:58:47,819 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-28 02:58:47,820 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-28 02:58:47,820 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,820 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,820 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,820 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,820 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,820 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,821 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-28 02:58:47,821 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-28 02:58:47,821 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-28 02:58:47,821 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-28 02:58:47,821 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-28 02:58:47,821 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-28 02:58:47,821 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-28 02:58:47,822 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-28 02:58:47,822 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-28 02:58:47,822 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-28 02:58:47,822 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,822 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,822 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,822 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,823 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,823 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,823 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-28 02:58:47,823 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-28 02:58:47,823 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-28 02:58:47,823 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-28 02:58:47,824 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-28 02:58:47,824 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-28 02:58:47,824 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-28 02:58:47,824 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-28 02:58:47,824 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-28 02:58:47,824 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-28 02:58:47,824 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-28 02:58:47,825 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-28 02:58:47,825 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-28 02:58:47,825 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-28 02:58:47,825 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-28 02:58:47,825 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,825 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,825 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,826 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,826 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,826 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:58:47,826 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-28 02:58:47,826 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-28 02:58:47,826 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-28 02:58:47,827 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-28 02:58:47,827 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-28 02:58:47,827 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-28 02:58:47,827 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-28 02:58:47,827 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-28 02:58:47,827 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-28 02:58:47,828 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse4 (<= ~a16~0 5)) (.cse8 (<= ~a8~0 13)) (.cse9 (= ~a7~0 1))) (let ((.cse3 (= ~a21~0 1)) (.cse0 (<= ~a17~0 0)) (.cse2 (<= ~a8~0 14)) (.cse5 (= ~a20~0 1)) (.cse7 (= ~a17~0 1)) (.cse6 (or (and .cse4 .cse8) .cse9)) (.cse1 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse0 .cse6) (and .cse2 .cse4 .cse1) (and .cse3 .cse7 .cse1) (and .cse3 .cse5 .cse8) (and .cse3 .cse5 (<= 5 ~a16~0) .cse7) (and .cse9 .cse3 .cse5) (and .cse3 .cse0 .cse5) (and .cse2 .cse5 .cse6 .cse7) (and .cse6 .cse1)))) [2020-11-28 02:58:47,828 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,828 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,828 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,828 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,829 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,829 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-28 02:58:47,829 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-28 02:58:47,829 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-28 02:58:47,829 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-28 02:58:47,829 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-28 02:58:47,830 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-28 02:58:47,830 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-28 02:58:47,830 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-28 02:58:47,830 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-28 02:58:47,830 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-28 02:58:47,830 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-28 02:58:47,830 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-28 02:58:47,831 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:58:47,831 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-28 02:58:47,831 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-28 02:58:47,831 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,831 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,831 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,831 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,832 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,832 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-28 02:58:47,832 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-28 02:58:47,832 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-28 02:58:47,832 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-28 02:58:47,832 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-28 02:58:47,832 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-28 02:58:47,833 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-28 02:58:47,833 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-28 02:58:47,833 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-28 02:58:47,833 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:58:47,833 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,833 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,834 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,834 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,834 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-28 02:58:47,834 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,834 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-28 02:58:47,834 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-28 02:58:47,834 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-28 02:58:47,835 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-28 02:58:47,835 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-28 02:58:47,835 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-28 02:58:47,835 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-28 02:58:47,835 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-28 02:58:47,835 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-28 02:58:47,835 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-28 02:58:47,836 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-28 02:58:47,836 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-28 02:58:47,836 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-28 02:58:47,836 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,836 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse4 (<= ~a16~0 5)) (.cse8 (<= ~a8~0 13)) (.cse9 (= ~a7~0 1))) (let ((.cse3 (= ~a21~0 1)) (.cse0 (<= ~a17~0 0)) (.cse2 (<= ~a8~0 14)) (.cse5 (= ~a20~0 1)) (.cse7 (= ~a17~0 1)) (.cse6 (or (and .cse4 .cse8) .cse9)) (.cse1 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse0 .cse6) (and .cse2 .cse4 .cse1) (and .cse3 .cse7 .cse1) (and .cse3 .cse5 .cse8) (and .cse3 .cse5 (<= 5 ~a16~0) .cse7) (and .cse9 .cse3 .cse5) (and .cse3 .cse0 .cse5) (and .cse2 .cse5 .cse6 .cse7) (and .cse6 .cse1)))) [2020-11-28 02:58:47,837 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,837 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,837 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,837 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,837 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-28 02:58:47,837 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:58:47,838 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 02:58:47,838 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-28 02:58:47,838 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-28 02:58:47,838 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-28 02:58:47,838 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-28 02:58:47,838 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-28 02:58:47,839 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-28 02:58:47,839 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-28 02:58:47,839 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,839 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,839 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,839 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,839 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:58:47,840 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-28 02:58:47,840 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-28 02:58:47,840 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-28 02:58:47,840 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-28 02:58:47,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:58:47 BoogieIcfgContainer [2020-11-28 02:58:47,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:58:47,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:58:47,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:58:47,867 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:58:47,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:34" (3/4) ... [2020-11-28 02:58:47,871 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:58:47,893 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 02:58:47,895 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 02:58:47,897 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:47,898 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:48,043 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b298059d-d0b8-4829-b85b-2ad517623399/bin/uautomizer/witness.graphml [2020-11-28 02:58:48,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:58:48,044 INFO L168 Benchmark]: Toolchain (without parser) took 15633.20 ms. Allocated memory was 90.2 MB in the beginning and 243.3 MB in the end (delta: 153.1 MB). Free memory was 56.5 MB in the beginning and 165.7 MB in the end (delta: -109.2 MB). Peak memory consumption was 43.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:48,045 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 73.4 MB. Free memory was 35.7 MB in the beginning and 35.6 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:48,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.78 ms. Allocated memory is still 90.2 MB. Free memory was 56.3 MB in the beginning and 50.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:48,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.15 ms. Allocated memory is still 90.2 MB. Free memory was 50.4 MB in the beginning and 44.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:48,046 INFO L168 Benchmark]: Boogie Preprocessor took 105.32 ms. Allocated memory is still 90.2 MB. Free memory was 44.9 MB in the beginning and 40.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:48,047 INFO L168 Benchmark]: RCFGBuilder took 1665.66 ms. Allocated memory was 90.2 MB in the beginning and 138.4 MB in the end (delta: 48.2 MB). Free memory was 40.3 MB in the beginning and 77.7 MB in the end (delta: -37.4 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:48,047 INFO L168 Benchmark]: TraceAbstraction took 12895.31 ms. Allocated memory was 138.4 MB in the beginning and 243.3 MB in the end (delta: 104.9 MB). Free memory was 76.8 MB in the beginning and 181.5 MB in the end (delta: -104.7 MB). Peak memory consumption was 110.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:48,048 INFO L168 Benchmark]: Witness Printer took 177.37 ms. Allocated memory is still 243.3 MB. Free memory was 180.4 MB in the beginning and 165.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:48,050 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 73.4 MB. Free memory was 35.7 MB in the beginning and 35.6 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 693.78 ms. Allocated memory is still 90.2 MB. Free memory was 56.3 MB in the beginning and 50.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.15 ms. Allocated memory is still 90.2 MB. Free memory was 50.4 MB in the beginning and 44.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.32 ms. Allocated memory is still 90.2 MB. Free memory was 44.9 MB in the beginning and 40.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1665.66 ms. Allocated memory was 90.2 MB in the beginning and 138.4 MB in the end (delta: 48.2 MB). Free memory was 40.3 MB in the beginning and 77.7 MB in the end (delta: -37.4 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12895.31 ms. Allocated memory was 138.4 MB in the beginning and 243.3 MB in the end (delta: 104.9 MB). Free memory was 76.8 MB in the beginning and 181.5 MB in the end (delta: -104.7 MB). Peak memory consumption was 110.1 MB. Max. memory is 16.1 GB. * Witness Printer took 177.37 ms. Allocated memory is still 243.3 MB. Free memory was 180.4 MB in the beginning and 165.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((((a17 <= 0 && a20 <= 0) || (((a8 <= 14 && a21 == 1) && a16 <= 5) && a20 == 1)) || ((a8 <= 14 && a17 <= 0) && ((a16 <= 5 && a8 <= 13) || a7 == 1))) || ((a8 <= 14 && a16 <= 5) && a20 <= 0)) || ((a21 == 1 && a17 == 1) && a20 <= 0)) || ((a21 == 1 && a20 == 1) && a8 <= 13)) || (((a21 == 1 && a20 == 1) && 5 <= a16) && a17 == 1)) || ((a7 == 1 && a21 == 1) && a20 == 1)) || ((a21 == 1 && a17 <= 0) && a20 == 1)) || (((a8 <= 14 && a20 == 1) && ((a16 <= 5 && a8 <= 13) || a7 == 1)) && a17 == 1)) || (((a16 <= 5 && a8 <= 13) || a7 == 1) && a20 <= 0) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((((((a17 <= 0 && a20 <= 0) || (((a8 <= 14 && a21 == 1) && a16 <= 5) && a20 == 1)) || ((a8 <= 14 && a17 <= 0) && ((a16 <= 5 && a8 <= 13) || a7 == 1))) || ((a8 <= 14 && a16 <= 5) && a20 <= 0)) || ((a21 == 1 && a17 == 1) && a20 <= 0)) || ((a21 == 1 && a20 == 1) && a8 <= 13)) || (((a21 == 1 && a20 == 1) && 5 <= a16) && a17 == 1)) || ((a7 == 1 && a21 == 1) && a20 == 1)) || ((a21 == 1 && a17 <= 0) && a20 == 1)) || (((a8 <= 14 && a20 == 1) && ((a16 <= 5 && a8 <= 13) || a7 == 1)) && a17 == 1)) || (((a16 <= 5 && a8 <= 13) || a7 == 1) && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.0s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1070 SDtfs, 852 SDslu, 53 SDs, 0 SdLazy, 3215 SolverSat, 546 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 527 GetRequests, 509 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1576occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1310 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 39 NumberOfFragments, 277 HoareAnnotationTreeSize, 3 FomulaSimplifications, 990 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 270 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1613 NumberOfCodeBlocks, 1613 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1599 ConstructedInterpolants, 0 QuantifiedInterpolants, 461459 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1084 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 340/407 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...