./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label02.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_6c0c4814-eabf-4e5f-a618-2159ca5658a8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label02.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/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 203014188672df6ecb5502efd1e8042fd4aedfd2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:33:16,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:33:16,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:33:16,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:33:16,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:33:16,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:33:16,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:33:16,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:33:16,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:33:16,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:33:16,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:33:16,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:33:16,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:33:16,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:33:16,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:33:16,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:33:16,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:33:16,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:33:16,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:33:16,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:33:17,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:33:17,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:33:17,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:33:17,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:33:17,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:33:17,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:33:17,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:33:17,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:33:17,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:33:17,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:33:17,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:33:17,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:33:17,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:33:17,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:33:17,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:33:17,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:33:17,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:33:17,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:33:17,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:33:17,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:33:17,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:33:17,026 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:33:17,064 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:33:17,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:33:17,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:33:17,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:33:17,071 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:33:17,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:33:17,071 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:33:17,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:33:17,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:33:17,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:33:17,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:33:17,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:33:17,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:33:17,074 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:33:17,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:33:17,074 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:33:17,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:33:17,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:33:17,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:33:17,077 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:33:17,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:33:17,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:33:17,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:33:17,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:33:17,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:33:17,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:33:17,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:33:17,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:33:17,083 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:33:17,083 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_6c0c4814-eabf-4e5f-a618-2159ca5658a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 203014188672df6ecb5502efd1e8042fd4aedfd2 [2020-11-29 19:33:17,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:33:17,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:33:17,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:33:17,406 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:33:17,407 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:33:17,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label02.c [2020-11-29 19:33:17,479 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/bin/uautomizer/data/aa8dee5e8/0adbdf19e23049799f0711429f73e92f/FLAGde322e429 [2020-11-29 19:33:18,115 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:33:18,115 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/sv-benchmarks/c/eca-rers2012/Problem02_label02.c [2020-11-29 19:33:18,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/bin/uautomizer/data/aa8dee5e8/0adbdf19e23049799f0711429f73e92f/FLAGde322e429 [2020-11-29 19:33:18,380 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/bin/uautomizer/data/aa8dee5e8/0adbdf19e23049799f0711429f73e92f [2020-11-29 19:33:18,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:33:18,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:33:18,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:33:18,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:33:18,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:33:18,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:33:18" (1/1) ... [2020-11-29 19:33:18,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d195a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:18, skipping insertion in model container [2020-11-29 19:33:18,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:33:18" (1/1) ... [2020-11-29 19:33:18,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:33:18,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:33:18,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:33:18,873 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:33:19,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:33:19,021 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:33:19,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:19 WrapperNode [2020-11-29 19:33:19,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:33:19,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:33:19,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:33:19,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:33:19,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:19" (1/1) ... [2020-11-29 19:33:19,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:19" (1/1) ... [2020-11-29 19:33:19,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:33:19,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:33:19,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:33:19,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:33:19,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:19" (1/1) ... [2020-11-29 19:33:19,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:19" (1/1) ... [2020-11-29 19:33:19,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:19" (1/1) ... [2020-11-29 19:33:19,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:19" (1/1) ... [2020-11-29 19:33:19,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:19" (1/1) ... [2020-11-29 19:33:19,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:19" (1/1) ... [2020-11-29 19:33:19,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:19" (1/1) ... [2020-11-29 19:33:19,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:33:19,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:33:19,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:33:19,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:33:19,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:33:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:33:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:33:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:33:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:33:20,742 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:33:20,743 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:33:20,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:33:20 BoogieIcfgContainer [2020-11-29 19:33:20,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:33:20,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:33:20,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:33:20,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:33:20,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:33:18" (1/3) ... [2020-11-29 19:33:20,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b02177f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:33:20, skipping insertion in model container [2020-11-29 19:33:20,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:33:19" (2/3) ... [2020-11-29 19:33:20,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b02177f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:33:20, skipping insertion in model container [2020-11-29 19:33:20,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:33:20" (3/3) ... [2020-11-29 19:33:20,758 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label02.c [2020-11-29 19:33:20,769 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:33:20,773 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:33:20,802 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:33:20,840 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:33:20,841 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:33:20,841 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:33:20,841 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:33:20,841 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:33:20,841 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:33:20,841 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:33:20,842 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:33:20,869 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-29 19:33:20,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-11-29 19:33:20,884 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:33:20,885 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, 1, 1, 1, 1] [2020-11-29 19:33:20,885 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:33:20,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:33:20,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1717349669, now seen corresponding path program 1 times [2020-11-29 19:33:20,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:33:20,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974660118] [2020-11-29 19:33:20,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:33:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:21,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:21,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974660118] [2020-11-29 19:33:21,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:33:21,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:33:21,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968920945] [2020-11-29 19:33:21,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:33:21,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:33:21,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:33:21,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:33:21,319 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-29 19:33:22,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:33:22,324 INFO L93 Difference]: Finished difference Result 597 states and 1031 transitions. [2020-11-29 19:33:22,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:33:22,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-11-29 19:33:22,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:33:22,348 INFO L225 Difference]: With dead ends: 597 [2020-11-29 19:33:22,348 INFO L226 Difference]: Without dead ends: 305 [2020-11-29 19:33:22,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:33:22,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-29 19:33:22,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-11-29 19:33:22,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-11-29 19:33:22,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2020-11-29 19:33:22,424 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 93 [2020-11-29 19:33:22,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:33:22,425 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2020-11-29 19:33:22,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:33:22,425 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2020-11-29 19:33:22,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-11-29 19:33:22,437 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:33:22,438 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:33:22,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:33:22,438 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:33:22,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:33:22,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1968109533, now seen corresponding path program 1 times [2020-11-29 19:33:22,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:33:22,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351862204] [2020-11-29 19:33:22,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:33:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:22,539 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:22,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351862204] [2020-11-29 19:33:22,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:33:22,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:33:22,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616114263] [2020-11-29 19:33:22,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:33:22,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:33:22,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:33:22,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:33:22,544 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand 3 states. [2020-11-29 19:33:22,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:33:22,890 INFO L93 Difference]: Finished difference Result 599 states and 913 transitions. [2020-11-29 19:33:22,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:33:22,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-11-29 19:33:22,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:33:22,893 INFO L225 Difference]: With dead ends: 599 [2020-11-29 19:33:22,893 INFO L226 Difference]: Without dead ends: 296 [2020-11-29 19:33:22,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:33:22,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-11-29 19:33:22,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-11-29 19:33:22,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-11-29 19:33:22,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions. [2020-11-29 19:33:22,926 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 104 [2020-11-29 19:33:22,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:33:22,926 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions. [2020-11-29 19:33:22,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:33:22,926 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2020-11-29 19:33:22,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-11-29 19:33:22,928 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:33:22,929 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:33:22,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:33:22,929 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:33:22,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:33:22,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1545104184, now seen corresponding path program 1 times [2020-11-29 19:33:22,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:33:22,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012777300] [2020-11-29 19:33:22,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:33:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:23,038 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:23,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012777300] [2020-11-29 19:33:23,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:33:23,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:33:23,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882437022] [2020-11-29 19:33:23,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:33:23,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:33:23,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:33:23,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:33:23,047 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand 3 states. [2020-11-29 19:33:23,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:33:23,686 INFO L93 Difference]: Finished difference Result 880 states and 1254 transitions. [2020-11-29 19:33:23,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:33:23,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-11-29 19:33:23,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:33:23,699 INFO L225 Difference]: With dead ends: 880 [2020-11-29 19:33:23,699 INFO L226 Difference]: Without dead ends: 586 [2020-11-29 19:33:23,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:33:23,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2020-11-29 19:33:23,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 581. [2020-11-29 19:33:23,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2020-11-29 19:33:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 798 transitions. [2020-11-29 19:33:23,740 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 798 transitions. Word has length 111 [2020-11-29 19:33:23,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:33:23,740 INFO L481 AbstractCegarLoop]: Abstraction has 581 states and 798 transitions. [2020-11-29 19:33:23,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:33:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 798 transitions. [2020-11-29 19:33:23,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-11-29 19:33:23,746 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:33:23,746 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:33:23,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:33:23,746 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:33:23,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:33:23,749 INFO L82 PathProgramCache]: Analyzing trace with hash 936337323, now seen corresponding path program 1 times [2020-11-29 19:33:23,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:33:23,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786099153] [2020-11-29 19:33:23,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:33:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-29 19:33:23,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786099153] [2020-11-29 19:33:23,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:33:23,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:33:23,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579460608] [2020-11-29 19:33:23,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:33:23,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:33:23,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:33:23,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:33:23,855 INFO L87 Difference]: Start difference. First operand 581 states and 798 transitions. Second operand 3 states. [2020-11-29 19:33:24,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:33:24,435 INFO L93 Difference]: Finished difference Result 1582 states and 2183 transitions. [2020-11-29 19:33:24,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:33:24,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-11-29 19:33:24,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:33:24,440 INFO L225 Difference]: With dead ends: 1582 [2020-11-29 19:33:24,440 INFO L226 Difference]: Without dead ends: 1003 [2020-11-29 19:33:24,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:33:24,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2020-11-29 19:33:24,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 863. [2020-11-29 19:33:24,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 863 states. [2020-11-29 19:33:24,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1100 transitions. [2020-11-29 19:33:24,477 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1100 transitions. Word has length 115 [2020-11-29 19:33:24,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:33:24,477 INFO L481 AbstractCegarLoop]: Abstraction has 863 states and 1100 transitions. [2020-11-29 19:33:24,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:33:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1100 transitions. [2020-11-29 19:33:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-29 19:33:24,480 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:33:24,480 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:33:24,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:33:24,480 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:33:24,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:33:24,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1627142402, now seen corresponding path program 1 times [2020-11-29 19:33:24,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:33:24,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64765693] [2020-11-29 19:33:24,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:33:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:24,611 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-29 19:33:24,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64765693] [2020-11-29 19:33:24,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262192779] [2020-11-29 19:33:24,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:33:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:24,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:33:24,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:33:25,000 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:33:25,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:33:25,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 19:33:25,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589332553] [2020-11-29 19:33:25,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:33:25,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:33:25,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:33:25,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:33:25,003 INFO L87 Difference]: Start difference. First operand 863 states and 1100 transitions. Second operand 3 states. [2020-11-29 19:33:25,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:33:25,737 INFO L93 Difference]: Finished difference Result 2154 states and 2833 transitions. [2020-11-29 19:33:25,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:33:25,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-11-29 19:33:25,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:33:25,746 INFO L225 Difference]: With dead ends: 2154 [2020-11-29 19:33:25,746 INFO L226 Difference]: Without dead ends: 1433 [2020-11-29 19:33:25,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:33:25,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1433 states. [2020-11-29 19:33:25,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1433 to 1152. [2020-11-29 19:33:25,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1152 states. [2020-11-29 19:33:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1436 transitions. [2020-11-29 19:33:25,792 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1436 transitions. Word has length 120 [2020-11-29 19:33:25,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:33:25,795 INFO L481 AbstractCegarLoop]: Abstraction has 1152 states and 1436 transitions. [2020-11-29 19:33:25,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:33:25,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1436 transitions. [2020-11-29 19:33:25,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-29 19:33:25,800 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:33:25,801 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:33:26,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:33:26,028 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:33:26,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:33:26,028 INFO L82 PathProgramCache]: Analyzing trace with hash 610890527, now seen corresponding path program 1 times [2020-11-29 19:33:26,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:33:26,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782837047] [2020-11-29 19:33:26,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:33:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:26,120 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:33:26,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782837047] [2020-11-29 19:33:26,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:33:26,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:33:26,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117245790] [2020-11-29 19:33:26,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:33:26,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:33:26,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:33:26,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:33:26,123 INFO L87 Difference]: Start difference. First operand 1152 states and 1436 transitions. Second operand 3 states. [2020-11-29 19:33:26,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:33:26,700 INFO L93 Difference]: Finished difference Result 2014 states and 2508 transitions. [2020-11-29 19:33:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:33:26,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-11-29 19:33:26,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:33:26,706 INFO L225 Difference]: With dead ends: 2014 [2020-11-29 19:33:26,706 INFO L226 Difference]: Without dead ends: 1004 [2020-11-29 19:33:26,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:33:26,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2020-11-29 19:33:26,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1004. [2020-11-29 19:33:26,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1004 states. [2020-11-29 19:33:26,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1149 transitions. [2020-11-29 19:33:26,740 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1149 transitions. Word has length 124 [2020-11-29 19:33:26,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:33:26,741 INFO L481 AbstractCegarLoop]: Abstraction has 1004 states and 1149 transitions. [2020-11-29 19:33:26,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:33:26,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1149 transitions. [2020-11-29 19:33:26,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-11-29 19:33:26,745 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:33:26,747 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:33:26,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:33:26,754 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:33:26,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:33:26,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1048550683, now seen corresponding path program 1 times [2020-11-29 19:33:26,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:33:26,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245289389] [2020-11-29 19:33:26,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:33:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:26,895 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-11-29 19:33:26,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245289389] [2020-11-29 19:33:26,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124705754] [2020-11-29 19:33:26,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:33:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:27,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:33:27,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:33:27,107 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-29 19:33:27,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:33:27,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 19:33:27,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532856638] [2020-11-29 19:33:27,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:33:27,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:33:27,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:33:27,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:33:27,110 INFO L87 Difference]: Start difference. First operand 1004 states and 1149 transitions. Second operand 3 states. [2020-11-29 19:33:27,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:33:27,806 INFO L93 Difference]: Finished difference Result 2425 states and 2815 transitions. [2020-11-29 19:33:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:33:27,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2020-11-29 19:33:27,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:33:27,814 INFO L225 Difference]: With dead ends: 2425 [2020-11-29 19:33:27,814 INFO L226 Difference]: Without dead ends: 1563 [2020-11-29 19:33:27,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:33:27,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1563 states. [2020-11-29 19:33:27,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1563 to 1563. [2020-11-29 19:33:27,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1563 states. [2020-11-29 19:33:27,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 1772 transitions. [2020-11-29 19:33:27,852 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 1772 transitions. Word has length 186 [2020-11-29 19:33:27,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:33:27,852 INFO L481 AbstractCegarLoop]: Abstraction has 1563 states and 1772 transitions. [2020-11-29 19:33:27,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:33:27,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1772 transitions. [2020-11-29 19:33:27,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-11-29 19:33:27,857 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:33:27,857 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 19:33:28,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:33:28,080 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:33:28,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:33:28,081 INFO L82 PathProgramCache]: Analyzing trace with hash -369667588, now seen corresponding path program 1 times [2020-11-29 19:33:28,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:33:28,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117622106] [2020-11-29 19:33:28,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:33:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:28,229 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 19:33:28,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117622106] [2020-11-29 19:33:28,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:33:28,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:33:28,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060969926] [2020-11-29 19:33:28,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:33:28,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:33:28,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:33:28,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:33:28,232 INFO L87 Difference]: Start difference. First operand 1563 states and 1772 transitions. Second operand 3 states. [2020-11-29 19:33:28,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:33:28,810 INFO L93 Difference]: Finished difference Result 3263 states and 3696 transitions. [2020-11-29 19:33:28,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:33:28,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2020-11-29 19:33:28,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:33:28,818 INFO L225 Difference]: With dead ends: 3263 [2020-11-29 19:33:28,818 INFO L226 Difference]: Without dead ends: 1422 [2020-11-29 19:33:28,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:33:28,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2020-11-29 19:33:28,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1422. [2020-11-29 19:33:28,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1422 states. [2020-11-29 19:33:28,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1569 transitions. [2020-11-29 19:33:28,860 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1569 transitions. Word has length 186 [2020-11-29 19:33:28,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:33:28,860 INFO L481 AbstractCegarLoop]: Abstraction has 1422 states and 1569 transitions. [2020-11-29 19:33:28,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:33:28,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1569 transitions. [2020-11-29 19:33:28,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-11-29 19:33:28,864 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:33:28,865 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:33:28,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:33:28,865 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:33:28,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:33:28,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1225077064, now seen corresponding path program 1 times [2020-11-29 19:33:28,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:33:28,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729281783] [2020-11-29 19:33:28,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:33:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-11-29 19:33:29,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729281783] [2020-11-29 19:33:29,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123961931] [2020-11-29 19:33:29,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/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 [2020-11-29 19:33:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:29,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:33:29,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:33:29,212 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-29 19:33:29,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:33:29,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 19:33:29,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811339279] [2020-11-29 19:33:29,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:33:29,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:33:29,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:33:29,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:33:29,214 INFO L87 Difference]: Start difference. First operand 1422 states and 1569 transitions. Second operand 3 states. [2020-11-29 19:33:29,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:33:29,796 INFO L93 Difference]: Finished difference Result 3121 states and 3455 transitions. [2020-11-29 19:33:29,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:33:29,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-11-29 19:33:29,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:33:29,797 INFO L225 Difference]: With dead ends: 3121 [2020-11-29 19:33:29,797 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:33:29,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:33:29,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:33:29,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:33:29,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:33:29,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:33:29,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2020-11-29 19:33:29,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:33:29,804 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:33:29,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:33:29,804 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:33:29,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:33:30,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:33:30,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:33:30,284 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2020-11-29 19:33:30,289 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,289 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,289 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,289 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-29 19:33:30,289 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-29 19:33:30,289 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-29 19:33:30,289 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-29 19:33:30,289 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-29 19:33:30,289 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-29 19:33:30,289 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-29 19:33:30,289 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-29 19:33:30,289 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-29 19:33:30,290 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,291 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-29 19:33:30,292 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,293 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,293 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,293 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-29 19:33:30,293 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-29 19:33:30,293 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-29 19:33:30,293 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-29 19:33:30,293 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-29 19:33:30,293 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-29 19:33:30,293 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-29 19:33:30,293 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-29 19:33:30,293 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,293 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,293 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,293 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-29 19:33:30,293 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-29 19:33:30,294 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-29 19:33:30,295 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-29 19:33:30,295 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-29 19:33:30,295 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,295 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,295 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,295 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-29 19:33:30,295 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-29 19:33:30,295 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-29 19:33:30,295 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-29 19:33:30,301 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-29 19:33:30,302 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-29 19:33:30,302 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:33:30,302 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 19:33:30,302 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,302 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,302 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,302 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-29 19:33:30,302 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-29 19:33:30,303 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-29 19:33:30,303 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-29 19:33:30,303 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-29 19:33:30,303 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-29 19:33:30,303 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-29 19:33:30,303 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-29 19:33:30,303 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,303 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,304 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,304 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-29 19:33:30,304 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-29 19:33:30,304 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-29 19:33:30,304 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-29 19:33:30,304 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-29 19:33:30,304 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,304 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,305 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,305 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-29 19:33:30,305 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-29 19:33:30,305 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-29 19:33:30,305 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-29 19:33:30,305 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-29 19:33:30,305 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-29 19:33:30,306 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-29 19:33:30,306 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-29 19:33:30,306 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-29 19:33:30,306 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-29 19:33:30,306 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-29 19:33:30,306 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,306 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,306 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-29 19:33:30,307 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-29 19:33:30,307 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-29 19:33:30,307 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-29 19:33:30,307 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-29 19:33:30,307 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-29 19:33:30,307 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-29 19:33:30,307 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-29 19:33:30,307 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-29 19:33:30,307 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 19:33:30,308 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8))) (or (and (= ~a25~0 ~a11~0) .cse0 (<= ~a28~0 7) .cse1) (and (<= ~a19~0 0) .cse1) (and (<= 9 ~a28~0) .cse0 (= ~a25~0 0) (<= ~a17~0 7)) (and .cse0 (<= 8 ~a17~0) .cse1))) [2020-11-29 19:33:30,309 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,309 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,309 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-29 19:33:30,309 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-29 19:33:30,309 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-29 19:33:30,309 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-29 19:33:30,309 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-29 19:33:30,309 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-29 19:33:30,310 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-29 19:33:30,310 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,310 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,310 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-29 19:33:30,310 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-29 19:33:30,310 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-29 19:33:30,310 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-29 19:33:30,310 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-29 19:33:30,311 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-29 19:33:30,311 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-29 19:33:30,311 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-29 19:33:30,311 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-29 19:33:30,311 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,311 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,311 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-29 19:33:30,311 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-29 19:33:30,312 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-29 19:33:30,312 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-29 19:33:30,312 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:33:30,312 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-29 19:33:30,312 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-29 19:33:30,313 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8))) (or (and (= ~a25~0 ~a11~0) .cse0 (<= ~a28~0 7) .cse1) (and (<= ~a19~0 0) .cse1) (and (<= 9 ~a28~0) .cse0 (= ~a25~0 0) (<= ~a17~0 7)) (and .cse0 (<= 8 ~a17~0) .cse1))) [2020-11-29 19:33:30,314 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,314 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,314 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-29 19:33:30,314 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-29 19:33:30,314 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-29 19:33:30,314 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-29 19:33:30,314 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-29 19:33:30,314 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,315 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,315 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-29 19:33:30,315 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-29 19:33:30,315 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-29 19:33:30,315 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-29 19:33:30,315 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-29 19:33:30,315 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-29 19:33:30,315 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-29 19:33:30,316 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-29 19:33:30,316 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-29 19:33:30,316 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,316 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,316 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-29 19:33:30,316 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,316 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:33:30,316 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-29 19:33:30,316 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-29 19:33:30,317 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-29 19:33:30,317 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-29 19:33:30,317 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-29 19:33:30,317 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-29 19:33:30,317 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,317 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,317 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,317 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-29 19:33:30,318 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-29 19:33:30,318 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-29 19:33:30,318 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-29 19:33:30,318 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-29 19:33:30,318 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,318 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,318 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 19:33:30,318 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-29 19:33:30,319 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-29 19:33:30,319 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-29 19:33:30,319 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-29 19:33:30,319 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-29 19:33:30,319 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-29 19:33:30,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:33:30 BoogieIcfgContainer [2020-11-29 19:33:30,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:33:30,345 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:33:30,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:33:30,345 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:33:30,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:33:20" (3/4) ... [2020-11-29 19:33:30,348 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:33:30,379 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:33:30,380 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:33:30,382 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:33:30,383 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:33:30,542 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6c0c4814-eabf-4e5f-a618-2159ca5658a8/bin/uautomizer/witness.graphml [2020-11-29 19:33:30,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:33:30,544 INFO L168 Benchmark]: Toolchain (without parser) took 12159.80 ms. Allocated memory was 100.7 MB in the beginning and 232.8 MB in the end (delta: 132.1 MB). Free memory was 71.6 MB in the beginning and 76.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 127.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:33:30,544 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 77.6 MB. Free memory is still 35.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:33:30,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.59 ms. Allocated memory is still 100.7 MB. Free memory was 71.3 MB in the beginning and 62.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:33:30,545 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.91 ms. Allocated memory is still 100.7 MB. Free memory was 62.9 MB in the beginning and 57.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:33:30,546 INFO L168 Benchmark]: Boogie Preprocessor took 81.91 ms. Allocated memory is still 100.7 MB. Free memory was 57.4 MB in the beginning and 53.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:33:30,546 INFO L168 Benchmark]: RCFGBuilder took 1545.87 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 53.2 MB in the beginning and 48.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:33:30,547 INFO L168 Benchmark]: TraceAbstraction took 9595.35 ms. Allocated memory was 121.6 MB in the beginning and 232.8 MB in the end (delta: 111.1 MB). Free memory was 48.2 MB in the beginning and 91.2 MB in the end (delta: -43.0 MB). Peak memory consumption was 67.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:33:30,547 INFO L168 Benchmark]: Witness Printer took 198.20 ms. Allocated memory is still 232.8 MB. Free memory was 91.2 MB in the beginning and 76.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:33:30,549 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 77.6 MB. Free memory is still 35.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 637.59 ms. Allocated memory is still 100.7 MB. Free memory was 71.3 MB in the beginning and 62.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.91 ms. Allocated memory is still 100.7 MB. Free memory was 62.9 MB in the beginning and 57.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.91 ms. Allocated memory is still 100.7 MB. Free memory was 57.4 MB in the beginning and 53.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1545.87 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 53.2 MB in the beginning and 48.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9595.35 ms. Allocated memory was 121.6 MB in the beginning and 232.8 MB in the end (delta: 111.1 MB). Free memory was 48.2 MB in the beginning and 91.2 MB in the end (delta: -43.0 MB). Peak memory consumption was 67.9 MB. Max. memory is 16.1 GB. * Witness Printer took 198.20 ms. Allocated memory is still 232.8 MB. Free memory was 91.2 MB in the beginning and 76.5 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((a25 == a11 && a19 == 1) && a28 <= 7) && a17 <= 8) || (a19 <= 0 && a17 <= 8)) || (((9 <= a28 && a19 == 1) && a25 == 0) && a17 <= 7)) || ((a19 == 1 && 8 <= a17) && a17 <= 8) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((a25 == a11 && a19 == 1) && a28 <= 7) && a17 <= 8) || (a19 <= 0 && a17 <= 8)) || (((9 <= a28 && a19 == 1) && a25 == 0) && a17 <= 7)) || ((a19 == 1 && 8 <= a17) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.1s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 993 SDtfs, 1205 SDslu, 109 SDs, 0 SdLazy, 3023 SolverSat, 507 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 525 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1563occurred 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 426 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 89 HoareAnnotationTreeSize, 3 FomulaSimplifications, 514 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 122 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1745 NumberOfCodeBlocks, 1745 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1733 ConstructedInterpolants, 0 QuantifiedInterpolants, 386677 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1062 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 838/847 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...