./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label23.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a2329eb6-b511-48a1-bd98-a611327ade51/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a2329eb6-b511-48a1-bd98-a611327ade51/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a2329eb6-b511-48a1-bd98-a611327ade51/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a2329eb6-b511-48a1-bd98-a611327ade51/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label23.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a2329eb6-b511-48a1-bd98-a611327ade51/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a2329eb6-b511-48a1-bd98-a611327ade51/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32be2810d9c37c4b52439355c8a9e3577edf70e1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:20:37,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:20:37,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:20:37,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:20:37,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:20:37,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:20:37,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:20:37,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:20:37,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:20:37,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:20:37,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:20:37,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:20:37,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:20:37,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:20:37,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:20:37,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:20:37,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:20:37,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:20:37,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:20:37,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:20:37,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:20:37,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:20:37,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:20:37,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:20:37,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:20:37,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:20:37,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:20:37,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:20:37,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:20:37,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:20:37,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:20:37,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:20:37,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:20:37,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:20:37,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:20:37,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:20:37,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:20:37,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:20:37,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:20:37,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:20:37,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:20:37,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a2329eb6-b511-48a1-bd98-a611327ade51/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:20:37,959 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:20:37,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:20:37,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:20:37,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:20:37,961 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:20:37,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:20:37,962 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:20:37,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:20:37,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:20:37,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:20:37,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:20:37,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:20:37,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:20:37,963 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:20:37,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:20:37,963 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:20:37,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:20:37,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:20:37,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:20:37,964 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:20:37,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:20:37,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:20:37,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:20:37,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:20:37,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:20:37,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:20:37,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:20:37,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:20:37,966 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:20:37,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a2329eb6-b511-48a1-bd98-a611327ade51/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(__VERIFIER_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 -> 32be2810d9c37c4b52439355c8a9e3577edf70e1 [2019-12-07 18:20:38,078 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:20:38,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:20:38,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:20:38,092 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:20:38,093 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:20:38,093 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a2329eb6-b511-48a1-bd98-a611327ade51/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label23.c [2019-12-07 18:20:38,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2329eb6-b511-48a1-bd98-a611327ade51/bin/uautomizer/data/903f74849/d61d29049eef42fa98a90ee0efccdb8a/FLAG4f389982d [2019-12-07 18:20:38,525 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:20:38,526 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a2329eb6-b511-48a1-bd98-a611327ade51/sv-benchmarks/c/eca-rers2012/Problem01_label23.c [2019-12-07 18:20:38,533 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2329eb6-b511-48a1-bd98-a611327ade51/bin/uautomizer/data/903f74849/d61d29049eef42fa98a90ee0efccdb8a/FLAG4f389982d [2019-12-07 18:20:38,542 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a2329eb6-b511-48a1-bd98-a611327ade51/bin/uautomizer/data/903f74849/d61d29049eef42fa98a90ee0efccdb8a [2019-12-07 18:20:38,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:20:38,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:20:38,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:20:38,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:20:38,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:20:38,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:20:38" (1/1) ... [2019-12-07 18:20:38,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374ca533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:38, skipping insertion in model container [2019-12-07 18:20:38,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:20:38" (1/1) ... [2019-12-07 18:20:38,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:20:38,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:20:38,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:20:38,828 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:20:38,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:20:38,890 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:20:38,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:38 WrapperNode [2019-12-07 18:20:38,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:20:38,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:20:38,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:20:38,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:20:38,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:38" (1/1) ... [2019-12-07 18:20:38,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:38" (1/1) ... [2019-12-07 18:20:38,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:20:38,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:20:38,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:20:38,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:20:38,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:38" (1/1) ... [2019-12-07 18:20:38,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:38" (1/1) ... [2019-12-07 18:20:38,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:38" (1/1) ... [2019-12-07 18:20:38,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:38" (1/1) ... [2019-12-07 18:20:38,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:38" (1/1) ... [2019-12-07 18:20:38,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:38" (1/1) ... [2019-12-07 18:20:39,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:38" (1/1) ... [2019-12-07 18:20:39,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:20:39,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:20:39,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:20:39,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:20:39,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2329eb6-b511-48a1-bd98-a611327ade51/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 [2019-12-07 18:20:39,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:20:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:20:39,663 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:20:39,663 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 18:20:39,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:20:39 BoogieIcfgContainer [2019-12-07 18:20:39,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:20:39,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:20:39,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:20:39,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:20:39,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:20:38" (1/3) ... [2019-12-07 18:20:39,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f70f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:20:39, skipping insertion in model container [2019-12-07 18:20:39,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:20:38" (2/3) ... [2019-12-07 18:20:39,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f70f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:20:39, skipping insertion in model container [2019-12-07 18:20:39,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:20:39" (3/3) ... [2019-12-07 18:20:39,669 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label23.c [2019-12-07 18:20:39,675 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:20:39,680 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:20:39,687 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:20:39,704 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:20:39,704 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:20:39,705 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:20:39,705 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:20:39,705 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:20:39,705 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:20:39,705 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:20:39,705 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:20:39,719 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-12-07 18:20:39,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-12-07 18:20:39,726 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:39,727 INFO L410 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, 1, 1] [2019-12-07 18:20:39,727 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:20:39,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:39,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1911993682, now seen corresponding path program 1 times [2019-12-07 18:20:39,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:20:39,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132397080] [2019-12-07 18:20:39,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:20:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:20:39,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:20:39,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132397080] [2019-12-07 18:20:39,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:20:39,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:20:39,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647404915] [2019-12-07 18:20:39,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:20:39,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:20:39,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:20:39,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:20:39,990 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-12-07 18:20:40,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:40,725 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2019-12-07 18:20:40,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:20:40,727 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2019-12-07 18:20:40,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:40,738 INFO L225 Difference]: With dead ends: 662 [2019-12-07 18:20:40,738 INFO L226 Difference]: Without dead ends: 397 [2019-12-07 18:20:40,741 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:20:40,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-12-07 18:20:40,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2019-12-07 18:20:40,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-12-07 18:20:40,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 553 transitions. [2019-12-07 18:20:40,784 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 553 transitions. Word has length 95 [2019-12-07 18:20:40,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:40,785 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 553 transitions. [2019-12-07 18:20:40,785 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:20:40,785 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 553 transitions. [2019-12-07 18:20:40,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-07 18:20:40,789 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:40,789 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:20:40,789 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:20:40,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:40,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1528488005, now seen corresponding path program 1 times [2019-12-07 18:20:40,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:20:40,790 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544294659] [2019-12-07 18:20:40,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:20:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:20:40,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:20:40,893 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544294659] [2019-12-07 18:20:40,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:20:40,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:20:40,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269644775] [2019-12-07 18:20:40,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:20:40,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:20:40,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:20:40,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:20:40,896 INFO L87 Difference]: Start difference. First operand 397 states and 553 transitions. Second operand 4 states. [2019-12-07 18:20:41,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:41,366 INFO L93 Difference]: Finished difference Result 1447 states and 2019 transitions. [2019-12-07 18:20:41,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:20:41,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2019-12-07 18:20:41,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:41,371 INFO L225 Difference]: With dead ends: 1447 [2019-12-07 18:20:41,371 INFO L226 Difference]: Without dead ends: 1052 [2019-12-07 18:20:41,372 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:20:41,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2019-12-07 18:20:41,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 659. [2019-12-07 18:20:41,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-12-07 18:20:41,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 851 transitions. [2019-12-07 18:20:41,404 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 851 transitions. Word has length 102 [2019-12-07 18:20:41,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:41,405 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 851 transitions. [2019-12-07 18:20:41,405 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:20:41,405 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 851 transitions. [2019-12-07 18:20:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-07 18:20:41,407 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:41,407 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:20:41,407 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:20:41,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:41,407 INFO L82 PathProgramCache]: Analyzing trace with hash 196968702, now seen corresponding path program 1 times [2019-12-07 18:20:41,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:20:41,408 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150171933] [2019-12-07 18:20:41,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:20:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:20:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:20:41,457 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150171933] [2019-12-07 18:20:41,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:20:41,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:20:41,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172836938] [2019-12-07 18:20:41,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:20:41,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:20:41,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:20:41,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:20:41,459 INFO L87 Difference]: Start difference. First operand 659 states and 851 transitions. Second operand 4 states. [2019-12-07 18:20:41,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:41,903 INFO L93 Difference]: Finished difference Result 1578 states and 1998 transitions. [2019-12-07 18:20:41,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:20:41,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2019-12-07 18:20:41,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:41,907 INFO L225 Difference]: With dead ends: 1578 [2019-12-07 18:20:41,907 INFO L226 Difference]: Without dead ends: 790 [2019-12-07 18:20:41,909 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:20:41,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-12-07 18:20:41,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-12-07 18:20:41,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-12-07 18:20:41,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 930 transitions. [2019-12-07 18:20:41,927 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 930 transitions. Word has length 116 [2019-12-07 18:20:41,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:41,927 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 930 transitions. [2019-12-07 18:20:41,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:20:41,927 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 930 transitions. [2019-12-07 18:20:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-07 18:20:41,929 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:41,929 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:20:41,930 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:20:41,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:41,930 INFO L82 PathProgramCache]: Analyzing trace with hash -415435549, now seen corresponding path program 1 times [2019-12-07 18:20:41,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:20:41,930 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750172272] [2019-12-07 18:20:41,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:20:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:20:41,974 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:20:41,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750172272] [2019-12-07 18:20:41,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:20:41,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:20:41,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884589793] [2019-12-07 18:20:41,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:20:41,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:20:41,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:20:41,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:20:41,976 INFO L87 Difference]: Start difference. First operand 790 states and 930 transitions. Second operand 3 states. [2019-12-07 18:20:42,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:42,292 INFO L93 Difference]: Finished difference Result 2233 states and 2643 transitions. [2019-12-07 18:20:42,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:20:42,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2019-12-07 18:20:42,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:42,297 INFO L225 Difference]: With dead ends: 2233 [2019-12-07 18:20:42,297 INFO L226 Difference]: Without dead ends: 1445 [2019-12-07 18:20:42,299 INFO L630 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 [2019-12-07 18:20:42,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2019-12-07 18:20:42,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1183. [2019-12-07 18:20:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2019-12-07 18:20:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1374 transitions. [2019-12-07 18:20:42,322 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1374 transitions. Word has length 117 [2019-12-07 18:20:42,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:42,322 INFO L462 AbstractCegarLoop]: Abstraction has 1183 states and 1374 transitions. [2019-12-07 18:20:42,322 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:20:42,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1374 transitions. [2019-12-07 18:20:42,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-12-07 18:20:42,324 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:42,324 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:20:42,324 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:20:42,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:42,324 INFO L82 PathProgramCache]: Analyzing trace with hash -566505045, now seen corresponding path program 1 times [2019-12-07 18:20:42,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:20:42,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578576455] [2019-12-07 18:20:42,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:20:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:20:42,372 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 18:20:42,373 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578576455] [2019-12-07 18:20:42,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:20:42,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:20:42,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352884803] [2019-12-07 18:20:42,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:20:42,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:20:42,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:20:42,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:20:42,375 INFO L87 Difference]: Start difference. First operand 1183 states and 1374 transitions. Second operand 3 states. [2019-12-07 18:20:42,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:42,724 INFO L93 Difference]: Finished difference Result 3150 states and 3674 transitions. [2019-12-07 18:20:42,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:20:42,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2019-12-07 18:20:42,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:42,733 INFO L225 Difference]: With dead ends: 3150 [2019-12-07 18:20:42,733 INFO L226 Difference]: Without dead ends: 1969 [2019-12-07 18:20:42,735 INFO L630 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 [2019-12-07 18:20:42,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2019-12-07 18:20:42,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1576. [2019-12-07 18:20:42,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-12-07 18:20:42,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1842 transitions. [2019-12-07 18:20:42,770 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1842 transitions. Word has length 121 [2019-12-07 18:20:42,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:42,771 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1842 transitions. [2019-12-07 18:20:42,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:20:42,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1842 transitions. [2019-12-07 18:20:42,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-07 18:20:42,773 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:42,773 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:20:42,773 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:20:42,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:42,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1960003089, now seen corresponding path program 1 times [2019-12-07 18:20:42,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:20:42,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671360005] [2019-12-07 18:20:42,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:20:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:20:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 18:20:42,809 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671360005] [2019-12-07 18:20:42,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:20:42,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:20:42,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83632124] [2019-12-07 18:20:42,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:20:42,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:20:42,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:20:42,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:20:42,811 INFO L87 Difference]: Start difference. First operand 1576 states and 1842 transitions. Second operand 3 states. [2019-12-07 18:20:43,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:43,113 INFO L93 Difference]: Finished difference Result 3281 states and 3834 transitions. [2019-12-07 18:20:43,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:20:43,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2019-12-07 18:20:43,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:43,121 INFO L225 Difference]: With dead ends: 3281 [2019-12-07 18:20:43,121 INFO L226 Difference]: Without dead ends: 1707 [2019-12-07 18:20:43,124 INFO L630 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 [2019-12-07 18:20:43,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-12-07 18:20:43,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2019-12-07 18:20:43,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-12-07 18:20:43,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1842 transitions. [2019-12-07 18:20:43,154 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1842 transitions. Word has length 123 [2019-12-07 18:20:43,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:43,154 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1842 transitions. [2019-12-07 18:20:43,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:20:43,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1842 transitions. [2019-12-07 18:20:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-07 18:20:43,157 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:43,157 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:20:43,157 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:20:43,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:43,157 INFO L82 PathProgramCache]: Analyzing trace with hash -233111406, now seen corresponding path program 1 times [2019-12-07 18:20:43,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:20:43,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593667843] [2019-12-07 18:20:43,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:20:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:20:43,192 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:20:43,192 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593667843] [2019-12-07 18:20:43,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:20:43,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:20:43,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637856532] [2019-12-07 18:20:43,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:20:43,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:20:43,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:20:43,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:20:43,193 INFO L87 Difference]: Start difference. First operand 1576 states and 1842 transitions. Second operand 3 states. [2019-12-07 18:20:43,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:43,496 INFO L93 Difference]: Finished difference Result 3543 states and 4112 transitions. [2019-12-07 18:20:43,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:20:43,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2019-12-07 18:20:43,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:43,505 INFO L225 Difference]: With dead ends: 3543 [2019-12-07 18:20:43,505 INFO L226 Difference]: Without dead ends: 1969 [2019-12-07 18:20:43,507 INFO L630 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 [2019-12-07 18:20:43,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2019-12-07 18:20:43,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1838. [2019-12-07 18:20:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-12-07 18:20:43,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2125 transitions. [2019-12-07 18:20:43,543 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2125 transitions. Word has length 124 [2019-12-07 18:20:43,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:43,544 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2125 transitions. [2019-12-07 18:20:43,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:20:43,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2125 transitions. [2019-12-07 18:20:43,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-12-07 18:20:43,547 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:43,548 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:20:43,548 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:20:43,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:43,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1809298122, now seen corresponding path program 1 times [2019-12-07 18:20:43,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:20:43,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309966340] [2019-12-07 18:20:43,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:20:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:20:43,677 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:20:43,678 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309966340] [2019-12-07 18:20:43,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:20:43,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 18:20:43,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595322883] [2019-12-07 18:20:43,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 18:20:43,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:20:43,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 18:20:43,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:20:43,679 INFO L87 Difference]: Start difference. First operand 1838 states and 2125 transitions. Second operand 8 states. [2019-12-07 18:20:44,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:44,363 INFO L93 Difference]: Finished difference Result 3847 states and 4440 transitions. [2019-12-07 18:20:44,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 18:20:44,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2019-12-07 18:20:44,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:44,372 INFO L225 Difference]: With dead ends: 3847 [2019-12-07 18:20:44,373 INFO L226 Difference]: Without dead ends: 2142 [2019-12-07 18:20:44,374 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:20:44,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2142 states. [2019-12-07 18:20:44,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2142 to 1838. [2019-12-07 18:20:44,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-12-07 18:20:44,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2113 transitions. [2019-12-07 18:20:44,405 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2113 transitions. Word has length 128 [2019-12-07 18:20:44,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:44,405 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2113 transitions. [2019-12-07 18:20:44,405 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 18:20:44,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2113 transitions. [2019-12-07 18:20:44,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-07 18:20:44,407 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:44,408 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2019-12-07 18:20:44,408 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:20:44,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:44,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1337337613, now seen corresponding path program 1 times [2019-12-07 18:20:44,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:20:44,408 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731281575] [2019-12-07 18:20:44,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:20:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:20:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-07 18:20:44,445 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731281575] [2019-12-07 18:20:44,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:20:44,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:20:44,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892193701] [2019-12-07 18:20:44,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:20:44,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:20:44,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:20:44,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:20:44,446 INFO L87 Difference]: Start difference. First operand 1838 states and 2113 transitions. Second operand 3 states. [2019-12-07 18:20:44,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:44,705 INFO L93 Difference]: Finished difference Result 3674 states and 4222 transitions. [2019-12-07 18:20:44,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:20:44,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2019-12-07 18:20:44,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:44,711 INFO L225 Difference]: With dead ends: 3674 [2019-12-07 18:20:44,711 INFO L226 Difference]: Without dead ends: 1838 [2019-12-07 18:20:44,712 INFO L630 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 [2019-12-07 18:20:44,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2019-12-07 18:20:44,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1707. [2019-12-07 18:20:44,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2019-12-07 18:20:44,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1848 transitions. [2019-12-07 18:20:44,736 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1848 transitions. Word has length 151 [2019-12-07 18:20:44,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:44,736 INFO L462 AbstractCegarLoop]: Abstraction has 1707 states and 1848 transitions. [2019-12-07 18:20:44,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:20:44,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1848 transitions. [2019-12-07 18:20:44,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-12-07 18:20:44,739 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:44,739 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:20:44,739 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:20:44,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:44,739 INFO L82 PathProgramCache]: Analyzing trace with hash -628114179, now seen corresponding path program 1 times [2019-12-07 18:20:44,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:20:44,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317884252] [2019-12-07 18:20:44,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:20:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:20:44,843 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:20:44,843 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317884252] [2019-12-07 18:20:44,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:20:44,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:20:44,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859642205] [2019-12-07 18:20:44,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:20:44,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:20:44,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:20:44,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:20:44,845 INFO L87 Difference]: Start difference. First operand 1707 states and 1848 transitions. Second operand 4 states. [2019-12-07 18:20:45,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:45,137 INFO L93 Difference]: Finished difference Result 3412 states and 3707 transitions. [2019-12-07 18:20:45,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:20:45,138 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2019-12-07 18:20:45,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:45,143 INFO L225 Difference]: With dead ends: 3412 [2019-12-07 18:20:45,143 INFO L226 Difference]: Without dead ends: 1838 [2019-12-07 18:20:45,144 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:20:45,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2019-12-07 18:20:45,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2019-12-07 18:20:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-12-07 18:20:45,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 1960 transitions. [2019-12-07 18:20:45,163 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 1960 transitions. Word has length 154 [2019-12-07 18:20:45,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:45,163 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 1960 transitions. [2019-12-07 18:20:45,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:20:45,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 1960 transitions. [2019-12-07 18:20:45,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-07 18:20:45,165 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:20:45,166 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:20:45,166 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:20:45,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:20:45,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1620802140, now seen corresponding path program 1 times [2019-12-07 18:20:45,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:20:45,166 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307870504] [2019-12-07 18:20:45,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:20:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:20:45,538 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:20:45,538 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307870504] [2019-12-07 18:20:45,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:20:45,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-12-07 18:20:45,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295679670] [2019-12-07 18:20:45,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 18:20:45,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:20:45,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 18:20:45,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=79, Unknown=0, NotChecked=0, Total=156 [2019-12-07 18:20:45,539 INFO L87 Difference]: Start difference. First operand 1838 states and 1960 transitions. Second operand 13 states. [2019-12-07 18:20:46,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:20:46,400 INFO L93 Difference]: Finished difference Result 3727 states and 3988 transitions. [2019-12-07 18:20:46,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 18:20:46,400 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 167 [2019-12-07 18:20:46,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:20:46,401 INFO L225 Difference]: With dead ends: 3727 [2019-12-07 18:20:46,401 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:20:46,402 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=79, Unknown=0, NotChecked=0, Total=156 [2019-12-07 18:20:46,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:20:46,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:20:46,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:20:46,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:20:46,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2019-12-07 18:20:46,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:20:46,403 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:20:46,403 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 18:20:46,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:20:46,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:20:46,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 18:20:46,607 INFO L246 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-12-07 18:20:46,607 INFO L246 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-12-07 18:20:46,607 INFO L246 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,607 INFO L246 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,607 INFO L246 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,607 INFO L246 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,607 INFO L246 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,607 INFO L246 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,607 INFO L246 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-12-07 18:20:46,607 INFO L246 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-12-07 18:20:46,607 INFO L246 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2019-12-07 18:20:46,608 INFO L246 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2019-12-07 18:20:46,609 INFO L246 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2019-12-07 18:20:46,610 INFO L246 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2019-12-07 18:20:46,610 INFO L246 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2019-12-07 18:20:46,610 INFO L246 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2019-12-07 18:20:46,610 INFO L246 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-12-07 18:20:46,610 INFO L242 CegarLoopResult]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (not (= ~a20~0 1))) (.cse1 (not (= 1 ~a7~0))) (.cse3 (= ~a12~0 8)) (.cse2 (= ~a17~0 1)) (.cse4 (= ~a21~0 1))) (or (and .cse0 (or (= 2 ULTIMATE.start_calculate_output_~input) (= 3 ULTIMATE.start_calculate_output_~input) (= 6 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input)) .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (= ~a16~0 5)) (not (= 15 ~a8~0)) (and .cse3 (<= ~a17~0 0) .cse4) (and .cse0 .cse1 .cse3 .cse2 .cse4 (not (= ~a16~0 4))))) [2019-12-07 18:20:46,610 INFO L246 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,610 INFO L246 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,610 INFO L246 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,610 INFO L246 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,610 INFO L246 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,610 INFO L246 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-12-07 18:20:46,610 INFO L246 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2019-12-07 18:20:46,610 INFO L246 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2019-12-07 18:20:46,611 INFO L246 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2019-12-07 18:20:46,611 INFO L246 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2019-12-07 18:20:46,611 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-12-07 18:20:46,611 INFO L246 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-12-07 18:20:46,611 INFO L246 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-12-07 18:20:46,611 INFO L246 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-12-07 18:20:46,611 INFO L246 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-12-07 18:20:46,611 INFO L246 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-12-07 18:20:46,611 INFO L246 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-12-07 18:20:46,611 INFO L246 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-12-07 18:20:46,611 INFO L249 CegarLoopResult]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-12-07 18:20:46,611 INFO L246 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,611 INFO L246 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,611 INFO L246 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,612 INFO L246 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,612 INFO L246 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,612 INFO L246 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-12-07 18:20:46,612 INFO L246 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-12-07 18:20:46,612 INFO L246 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-12-07 18:20:46,612 INFO L246 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2019-12-07 18:20:46,612 INFO L246 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2019-12-07 18:20:46,612 INFO L246 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2019-12-07 18:20:46,612 INFO L246 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2019-12-07 18:20:46,612 INFO L246 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2019-12-07 18:20:46,612 INFO L246 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-12-07 18:20:46,612 INFO L246 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,613 INFO L246 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,613 INFO L246 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,613 INFO L246 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,613 INFO L246 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-12-07 18:20:46,613 INFO L246 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,613 INFO L246 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-12-07 18:20:46,613 INFO L246 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-12-07 18:20:46,613 INFO L246 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2019-12-07 18:20:46,613 INFO L246 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2019-12-07 18:20:46,613 INFO L246 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2019-12-07 18:20:46,613 INFO L246 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2019-12-07 18:20:46,614 INFO L246 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2019-12-07 18:20:46,614 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 18:20:46,614 INFO L246 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-12-07 18:20:46,614 INFO L246 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-12-07 18:20:46,614 INFO L246 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-12-07 18:20:46,614 INFO L246 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-12-07 18:20:46,614 INFO L246 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-12-07 18:20:46,614 INFO L246 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-12-07 18:20:46,614 INFO L246 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,614 INFO L242 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a20~0 1))) (.cse1 (not (= 1 ~a7~0))) (.cse3 (= ~a12~0 8)) (.cse2 (= ~a17~0 1)) (.cse4 (= ~a21~0 1))) (or (and .cse0 (or (= 2 ULTIMATE.start_calculate_output_~input) (= 3 ULTIMATE.start_calculate_output_~input) (= 6 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input)) .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (= ~a16~0 5)) (not (= 15 ~a8~0)) (and .cse3 (<= ~a17~0 0) .cse4) (and .cse0 .cse1 .cse3 .cse2 .cse4 (not (= ~a16~0 4))))) [2019-12-07 18:20:46,615 INFO L246 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,615 INFO L246 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,615 INFO L246 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,615 INFO L246 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,615 INFO L246 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-12-07 18:20:46,615 INFO L246 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2019-12-07 18:20:46,615 INFO L246 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2019-12-07 18:20:46,615 INFO L246 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2019-12-07 18:20:46,615 INFO L246 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2019-12-07 18:20:46,615 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-12-07 18:20:46,615 INFO L246 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-12-07 18:20:46,615 INFO L246 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-12-07 18:20:46,616 INFO L246 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,616 INFO L246 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,616 INFO L246 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,616 INFO L246 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,616 INFO L246 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,616 INFO L246 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-12-07 18:20:46,616 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 18:20:46,616 INFO L246 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-12-07 18:20:46,616 INFO L246 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-12-07 18:20:46,616 INFO L246 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-12-07 18:20:46,616 INFO L246 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2019-12-07 18:20:46,616 INFO L246 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2019-12-07 18:20:46,616 INFO L246 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2019-12-07 18:20:46,617 INFO L246 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2019-12-07 18:20:46,618 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2019-12-07 18:20:46,619 INFO L246 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2019-12-07 18:20:46,620 INFO L246 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2019-12-07 18:20:46,620 INFO L246 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2019-12-07 18:20:46,620 INFO L246 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2019-12-07 18:20:46,620 INFO L246 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2019-12-07 18:20:46,620 INFO L246 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-12-07 18:20:46,620 INFO L246 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-12-07 18:20:46,620 INFO L246 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-12-07 18:20:46,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:20:46 BoogieIcfgContainer [2019-12-07 18:20:46,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:20:46,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:20:46,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:20:46,640 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:20:46,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:20:39" (3/4) ... [2019-12-07 18:20:46,643 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:20:46,662 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 18:20:46,663 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 18:20:46,755 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a2329eb6-b511-48a1-bd98-a611327ade51/bin/uautomizer/witness.graphml [2019-12-07 18:20:46,755 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:20:46,757 INFO L168 Benchmark]: Toolchain (without parser) took 8211.36 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.0 MB). Free memory was 932.8 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 161.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:46,757 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:20:46,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 932.8 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:46,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:46,758 INFO L168 Benchmark]: Boogie Preprocessor took 51.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:46,759 INFO L168 Benchmark]: RCFGBuilder took 657.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 962.5 MB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:46,759 INFO L168 Benchmark]: TraceAbstraction took 6974.27 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 201.9 MB). Free memory was 962.5 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:46,759 INFO L168 Benchmark]: Witness Printer took 115.99 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:20:46,761 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 932.8 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 657.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 962.5 MB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6974.27 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 201.9 MB). Free memory was 962.5 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB. * Witness Printer took 115.99 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: 30]: Loop Invariant Derived loop invariant: ((((((((!(a20 == 1) && (((2 == input || 3 == input) || 6 == input) || 5 == input)) && !(1 == a7)) && a17 == 1) && a12 == 8) && a21 == 1) || ((((!(1 == a7) && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 5)) || !(15 == a8)) || ((a12 == 8 && a17 <= 0) && a21 == 1)) || (((((!(a20 == 1) && !(1 == a7)) && a12 == 8) && a17 == 1) && a21 == 1) && !(a16 == 4)) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((!(a20 == 1) && (((2 == input || 3 == input) || 6 == input) || 5 == input)) && !(1 == a7)) && a17 == 1) && a12 == 8) && a21 == 1) || ((((!(1 == a7) && a17 == 1) && a12 == 8) && a21 == 1) && a16 == 5)) || !(15 == a8)) || ((a12 == 8 && a17 <= 0) && a21 == 1)) || (((((!(a20 == 1) && !(1 == a7)) && a12 == 8) && a17 == 1) && a21 == 1) && !(a16 == 4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 6.7s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 708 SDtfs, 2582 SDslu, 139 SDs, 0 SdLazy, 6495 SolverSat, 877 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1838occurred 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, 11 MinimizatonAttempts, 1745 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 44 NumberOfFragments, 171 HoareAnnotationTreeSize, 3 FomulaSimplifications, 9112 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1398 NumberOfCodeBlocks, 1398 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1387 ConstructedInterpolants, 0 QuantifiedInterpolants, 879772 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 439/439 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...