./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label03.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_029e7912-1d26-4355-aad6-2993cd790014/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label03.c -s /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/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 a91f469417fecfcde25fa5a52b02f071d3462166 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:28:48,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:28:48,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:28:48,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:28:48,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:28:48,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:28:48,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:28:48,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:28:48,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:28:48,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:28:48,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:28:48,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:28:48,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:28:48,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:28:48,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:28:48,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:28:48,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:28:48,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:28:48,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:28:48,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:28:48,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:28:48,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:28:48,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:28:48,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:28:48,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:28:48,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:28:48,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:28:48,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:28:48,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:28:48,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:28:48,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:28:48,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:28:48,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:28:48,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:28:48,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:28:48,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:28:48,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:28:48,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:28:48,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:28:48,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:28:48,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:28:48,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:28:48,140 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:28:48,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:28:48,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:28:48,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:28:48,142 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:28:48,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:28:48,142 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:28:48,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:28:48,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:28:48,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:28:48,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:28:48,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:28:48,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:28:48,144 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:28:48,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:28:48,144 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:28:48,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:28:48,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:28:48,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:28:48,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:28:48,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:28:48,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:28:48,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:28:48,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:28:48,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:28:48,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:28:48,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:28:48,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:28:48,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:28:48,146 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_029e7912-1d26-4355-aad6-2993cd790014/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 -> a91f469417fecfcde25fa5a52b02f071d3462166 [2019-12-07 17:28:48,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:28:48,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:28:48,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:28:48,268 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:28:48,268 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:28:48,269 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label03.c [2019-12-07 17:28:48,316 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/bin/uautomizer/data/c0356ffdb/3839ef0794074a45a2f85cd7d346f978/FLAG26f600593 [2019-12-07 17:28:48,687 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:28:48,687 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/sv-benchmarks/c/eca-rers2012/Problem01_label03.c [2019-12-07 17:28:48,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/bin/uautomizer/data/c0356ffdb/3839ef0794074a45a2f85cd7d346f978/FLAG26f600593 [2019-12-07 17:28:48,704 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/bin/uautomizer/data/c0356ffdb/3839ef0794074a45a2f85cd7d346f978 [2019-12-07 17:28:48,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:28:48,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:28:48,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:28:48,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:28:48,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:28:48,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:28:48" (1/1) ... [2019-12-07 17:28:48,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aaa2f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:48, skipping insertion in model container [2019-12-07 17:28:48,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:28:48" (1/1) ... [2019-12-07 17:28:48,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:28:48,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:28:48,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:28:48,979 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:28:49,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:28:49,041 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:28:49,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:49 WrapperNode [2019-12-07 17:28:49,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:28:49,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:28:49,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:28:49,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:28:49,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:49" (1/1) ... [2019-12-07 17:28:49,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:49" (1/1) ... [2019-12-07 17:28:49,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:28:49,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:28:49,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:28:49,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:28:49,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:49" (1/1) ... [2019-12-07 17:28:49,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:49" (1/1) ... [2019-12-07 17:28:49,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:49" (1/1) ... [2019-12-07 17:28:49,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:49" (1/1) ... [2019-12-07 17:28:49,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:49" (1/1) ... [2019-12-07 17:28:49,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:49" (1/1) ... [2019-12-07 17:28:49,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:49" (1/1) ... [2019-12-07 17:28:49,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:28:49,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:28:49,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:28:49,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:28:49,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/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 17:28:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:28:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:28:49,778 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:28:49,778 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:28:49,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:28:49 BoogieIcfgContainer [2019-12-07 17:28:49,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:28:49,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:28:49,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:28:49,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:28:49,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:28:48" (1/3) ... [2019-12-07 17:28:49,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78812fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:28:49, skipping insertion in model container [2019-12-07 17:28:49,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:49" (2/3) ... [2019-12-07 17:28:49,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78812fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:28:49, skipping insertion in model container [2019-12-07 17:28:49,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:28:49" (3/3) ... [2019-12-07 17:28:49,784 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label03.c [2019-12-07 17:28:49,790 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:28:49,796 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:28:49,803 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:28:49,821 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:28:49,821 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:28:49,821 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:28:49,821 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:28:49,821 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:28:49,821 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:28:49,821 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:28:49,821 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:28:49,836 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-12-07 17:28:49,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-12-07 17:28:49,845 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:28:49,846 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:49,846 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:28:49,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:28:49,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1437018794, now seen corresponding path program 1 times [2019-12-07 17:28:49,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:28:49,857 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959689186] [2019-12-07 17:28:49,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:28:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:28:50,543 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 17:28:50,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959689186] [2019-12-07 17:28:50,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:28:50,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-12-07 17:28:50,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298704770] [2019-12-07 17:28:50,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 17:28:50,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:28:50,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 17:28:50,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-12-07 17:28:50,559 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 10 states. [2019-12-07 17:28:51,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:28:51,392 INFO L93 Difference]: Finished difference Result 493 states and 846 transitions. [2019-12-07 17:28:51,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 17:28:51,393 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2019-12-07 17:28:51,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:28:51,403 INFO L225 Difference]: With dead ends: 493 [2019-12-07 17:28:51,403 INFO L226 Difference]: Without dead ends: 193 [2019-12-07 17:28:51,407 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2019-12-07 17:28:51,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2019-12-07 17:28:51,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2019-12-07 17:28:51,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-12-07 17:28:51,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 264 transitions. [2019-12-07 17:28:51,444 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 264 transitions. Word has length 129 [2019-12-07 17:28:51,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:28:51,444 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 264 transitions. [2019-12-07 17:28:51,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 17:28:51,444 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 264 transitions. [2019-12-07 17:28:51,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-12-07 17:28:51,446 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:28:51,447 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:51,447 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:28:51,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:28:51,447 INFO L82 PathProgramCache]: Analyzing trace with hash 72009246, now seen corresponding path program 1 times [2019-12-07 17:28:51,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:28:51,447 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416757880] [2019-12-07 17:28:51,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:28:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:28:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:28:51,545 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416757880] [2019-12-07 17:28:51,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:28:51,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:28:51,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679911165] [2019-12-07 17:28:51,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:28:51,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:28:51,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:28:51,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:28:51,548 INFO L87 Difference]: Start difference. First operand 193 states and 264 transitions. Second operand 3 states. [2019-12-07 17:28:51,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:28:51,863 INFO L93 Difference]: Finished difference Result 457 states and 661 transitions. [2019-12-07 17:28:51,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:28:51,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-12-07 17:28:51,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:28:51,866 INFO L225 Difference]: With dead ends: 457 [2019-12-07 17:28:51,866 INFO L226 Difference]: Without dead ends: 324 [2019-12-07 17:28:51,867 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:28:51,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2019-12-07 17:28:51,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2019-12-07 17:28:51,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2019-12-07 17:28:51,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 443 transitions. [2019-12-07 17:28:51,884 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 443 transitions. Word has length 133 [2019-12-07 17:28:51,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:28:51,885 INFO L462 AbstractCegarLoop]: Abstraction has 324 states and 443 transitions. [2019-12-07 17:28:51,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:28:51,885 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 443 transitions. [2019-12-07 17:28:51,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-07 17:28:51,888 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:28:51,889 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:51,889 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:28:51,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:28:51,889 INFO L82 PathProgramCache]: Analyzing trace with hash -620681437, now seen corresponding path program 1 times [2019-12-07 17:28:51,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:28:51,890 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659553986] [2019-12-07 17:28:51,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:28:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:28:52,040 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 17:28:52,041 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659553986] [2019-12-07 17:28:52,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:28:52,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:28:52,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236196365] [2019-12-07 17:28:52,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:28:52,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:28:52,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:28:52,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:28:52,042 INFO L87 Difference]: Start difference. First operand 324 states and 443 transitions. Second operand 4 states. [2019-12-07 17:28:52,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:28:52,505 INFO L93 Difference]: Finished difference Result 814 states and 1161 transitions. [2019-12-07 17:28:52,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:28:52,505 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2019-12-07 17:28:52,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:28:52,507 INFO L225 Difference]: With dead ends: 814 [2019-12-07 17:28:52,507 INFO L226 Difference]: Without dead ends: 455 [2019-12-07 17:28:52,508 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 17:28:52,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2019-12-07 17:28:52,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2019-12-07 17:28:52,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-12-07 17:28:52,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 534 transitions. [2019-12-07 17:28:52,520 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 534 transitions. Word has length 136 [2019-12-07 17:28:52,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:28:52,520 INFO L462 AbstractCegarLoop]: Abstraction has 455 states and 534 transitions. [2019-12-07 17:28:52,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:28:52,521 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 534 transitions. [2019-12-07 17:28:52,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-07 17:28:52,522 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:28:52,522 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:52,523 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:28:52,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:28:52,523 INFO L82 PathProgramCache]: Analyzing trace with hash -647170395, now seen corresponding path program 1 times [2019-12-07 17:28:52,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:28:52,523 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876475168] [2019-12-07 17:28:52,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:28:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:28:52,572 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 17:28:52,573 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876475168] [2019-12-07 17:28:52,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:28:52,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:28:52,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919850777] [2019-12-07 17:28:52,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:28:52,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:28:52,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:28:52,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:28:52,574 INFO L87 Difference]: Start difference. First operand 455 states and 534 transitions. Second operand 3 states. [2019-12-07 17:28:52,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:28:52,816 INFO L93 Difference]: Finished difference Result 981 states and 1165 transitions. [2019-12-07 17:28:52,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:28:52,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-12-07 17:28:52,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:28:52,818 INFO L225 Difference]: With dead ends: 981 [2019-12-07 17:28:52,819 INFO L226 Difference]: Without dead ends: 586 [2019-12-07 17:28:52,819 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 17:28:52,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2019-12-07 17:28:52,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 586. [2019-12-07 17:28:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2019-12-07 17:28:52,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 677 transitions. [2019-12-07 17:28:52,829 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 677 transitions. Word has length 144 [2019-12-07 17:28:52,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:28:52,829 INFO L462 AbstractCegarLoop]: Abstraction has 586 states and 677 transitions. [2019-12-07 17:28:52,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:28:52,829 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 677 transitions. [2019-12-07 17:28:52,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-12-07 17:28:52,831 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:28:52,831 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:52,831 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:28:52,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:28:52,831 INFO L82 PathProgramCache]: Analyzing trace with hash -236489853, now seen corresponding path program 1 times [2019-12-07 17:28:52,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:28:52,831 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386662387] [2019-12-07 17:28:52,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:28:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:28:52,861 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 17:28:52,861 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386662387] [2019-12-07 17:28:52,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:28:52,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:28:52,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779897557] [2019-12-07 17:28:52,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:28:52,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:28:52,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:28:52,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:28:52,862 INFO L87 Difference]: Start difference. First operand 586 states and 677 transitions. Second operand 4 states. [2019-12-07 17:28:53,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:28:53,342 INFO L93 Difference]: Finished difference Result 2029 states and 2386 transitions. [2019-12-07 17:28:53,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:28:53,342 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2019-12-07 17:28:53,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:28:53,347 INFO L225 Difference]: With dead ends: 2029 [2019-12-07 17:28:53,347 INFO L226 Difference]: Without dead ends: 1503 [2019-12-07 17:28:53,348 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 17:28:53,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2019-12-07 17:28:53,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1241. [2019-12-07 17:28:53,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2019-12-07 17:28:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1461 transitions. [2019-12-07 17:28:53,370 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1461 transitions. Word has length 153 [2019-12-07 17:28:53,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:28:53,370 INFO L462 AbstractCegarLoop]: Abstraction has 1241 states and 1461 transitions. [2019-12-07 17:28:53,370 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:28:53,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1461 transitions. [2019-12-07 17:28:53,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-12-07 17:28:53,372 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:28:53,372 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 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 17:28:53,372 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:28:53,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:28:53,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1280194508, now seen corresponding path program 1 times [2019-12-07 17:28:53,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:28:53,373 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780642603] [2019-12-07 17:28:53,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:28:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:28:53,438 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 17:28:53,439 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780642603] [2019-12-07 17:28:53,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:28:53,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:28:53,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291623775] [2019-12-07 17:28:53,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:28:53,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:28:53,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:28:53,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:28:53,440 INFO L87 Difference]: Start difference. First operand 1241 states and 1461 transitions. Second operand 5 states. [2019-12-07 17:28:54,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:28:54,071 INFO L93 Difference]: Finished difference Result 2946 states and 3473 transitions. [2019-12-07 17:28:54,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:28:54,071 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2019-12-07 17:28:54,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:28:54,078 INFO L225 Difference]: With dead ends: 2946 [2019-12-07 17:28:54,078 INFO L226 Difference]: Without dead ends: 1765 [2019-12-07 17:28:54,079 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:28:54,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2019-12-07 17:28:54,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1634. [2019-12-07 17:28:54,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1634 states. [2019-12-07 17:28:54,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 1905 transitions. [2019-12-07 17:28:54,106 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 1905 transitions. Word has length 159 [2019-12-07 17:28:54,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:28:54,106 INFO L462 AbstractCegarLoop]: Abstraction has 1634 states and 1905 transitions. [2019-12-07 17:28:54,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:28:54,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 1905 transitions. [2019-12-07 17:28:54,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-12-07 17:28:54,109 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:28:54,109 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:54,109 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:28:54,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:28:54,109 INFO L82 PathProgramCache]: Analyzing trace with hash -73226021, now seen corresponding path program 1 times [2019-12-07 17:28:54,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:28:54,110 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133183913] [2019-12-07 17:28:54,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:28:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:28:54,163 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-07 17:28:54,163 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133183913] [2019-12-07 17:28:54,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:28:54,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:28:54,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528597430] [2019-12-07 17:28:54,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:28:54,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:28:54,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:28:54,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:28:54,165 INFO L87 Difference]: Start difference. First operand 1634 states and 1905 transitions. Second operand 3 states. [2019-12-07 17:28:54,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:28:54,470 INFO L93 Difference]: Finished difference Result 3732 states and 4372 transitions. [2019-12-07 17:28:54,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:28:54,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-12-07 17:28:54,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:28:54,478 INFO L225 Difference]: With dead ends: 3732 [2019-12-07 17:28:54,478 INFO L226 Difference]: Without dead ends: 2158 [2019-12-07 17:28:54,480 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 17:28:54,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2019-12-07 17:28:54,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2027. [2019-12-07 17:28:54,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2027 states. [2019-12-07 17:28:54,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 2027 states and 2321 transitions. [2019-12-07 17:28:54,511 INFO L78 Accepts]: Start accepts. Automaton has 2027 states and 2321 transitions. Word has length 193 [2019-12-07 17:28:54,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:28:54,512 INFO L462 AbstractCegarLoop]: Abstraction has 2027 states and 2321 transitions. [2019-12-07 17:28:54,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:28:54,512 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2321 transitions. [2019-12-07 17:28:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-12-07 17:28:54,515 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:28:54,515 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:28:54,516 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:28:54,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:28:54,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1876676455, now seen corresponding path program 1 times [2019-12-07 17:28:54,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:28:54,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165373490] [2019-12-07 17:28:54,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:28:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:28:54,668 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-07 17:28:54,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165373490] [2019-12-07 17:28:54,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045006145] [2019-12-07 17:28:54,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:28:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:28:54,741 INFO L264 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:28:54,749 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:28:54,828 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-12-07 17:28:54,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 17:28:54,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-12-07 17:28:54,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676006260] [2019-12-07 17:28:54,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:28:54,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:28:54,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:28:54,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:28:54,830 INFO L87 Difference]: Start difference. First operand 2027 states and 2321 transitions. Second operand 3 states. [2019-12-07 17:28:55,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:28:55,167 INFO L93 Difference]: Finished difference Result 4911 states and 5667 transitions. [2019-12-07 17:28:55,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:28:55,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2019-12-07 17:28:55,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:28:55,182 INFO L225 Difference]: With dead ends: 4911 [2019-12-07 17:28:55,182 INFO L226 Difference]: Without dead ends: 2944 [2019-12-07 17:28:55,184 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:28:55,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2944 states. [2019-12-07 17:28:55,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2944 to 2813. [2019-12-07 17:28:55,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2813 states. [2019-12-07 17:28:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3196 transitions. [2019-12-07 17:28:55,242 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3196 transitions. Word has length 222 [2019-12-07 17:28:55,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:28:55,243 INFO L462 AbstractCegarLoop]: Abstraction has 2813 states and 3196 transitions. [2019-12-07 17:28:55,243 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:28:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3196 transitions. [2019-12-07 17:28:55,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-12-07 17:28:55,249 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:28:55,250 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:55,450 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:28:55,450 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:28:55,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:28:55,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1376312779, now seen corresponding path program 1 times [2019-12-07 17:28:55,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:28:55,451 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967560431] [2019-12-07 17:28:55,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:28:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:28:55,735 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 140 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:28:55,735 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967560431] [2019-12-07 17:28:55,735 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128094372] [2019-12-07 17:28:55,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:28:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:28:55,798 INFO L264 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:28:55,823 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:28:55,863 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-12-07 17:28:55,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 17:28:55,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2019-12-07 17:28:55,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402224017] [2019-12-07 17:28:55,864 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:28:55,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:28:55,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:28:55,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-12-07 17:28:55,864 INFO L87 Difference]: Start difference. First operand 2813 states and 3196 transitions. Second operand 3 states. [2019-12-07 17:28:56,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:28:56,155 INFO L93 Difference]: Finished difference Result 5959 states and 6757 transitions. [2019-12-07 17:28:56,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:28:56,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2019-12-07 17:28:56,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:28:56,167 INFO L225 Difference]: With dead ends: 5959 [2019-12-07 17:28:56,167 INFO L226 Difference]: Without dead ends: 3206 [2019-12-07 17:28:56,169 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-12-07 17:28:56,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3206 states. [2019-12-07 17:28:56,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3206 to 2551. [2019-12-07 17:28:56,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2551 states. [2019-12-07 17:28:56,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 2897 transitions. [2019-12-07 17:28:56,204 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 2897 transitions. Word has length 225 [2019-12-07 17:28:56,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:28:56,204 INFO L462 AbstractCegarLoop]: Abstraction has 2551 states and 2897 transitions. [2019-12-07 17:28:56,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:28:56,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 2897 transitions. [2019-12-07 17:28:56,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-12-07 17:28:56,209 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:28:56,209 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:28:56,409 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:28:56,410 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:28:56,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:28:56,410 INFO L82 PathProgramCache]: Analyzing trace with hash -605874139, now seen corresponding path program 1 times [2019-12-07 17:28:56,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:28:56,410 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52137114] [2019-12-07 17:28:56,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:28:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:28:56,521 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 157 proven. 27 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-07 17:28:56,521 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52137114] [2019-12-07 17:28:56,521 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359870562] [2019-12-07 17:28:56,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:28:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:28:56,586 INFO L264 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:28:56,590 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:28:56,636 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-12-07 17:28:56,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 17:28:56,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-12-07 17:28:56,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73327739] [2019-12-07 17:28:56,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:28:56,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:28:56,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:28:56,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:28:56,637 INFO L87 Difference]: Start difference. First operand 2551 states and 2897 transitions. Second operand 3 states. [2019-12-07 17:28:56,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:28:56,919 INFO L93 Difference]: Finished difference Result 4385 states and 4987 transitions. [2019-12-07 17:28:56,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:28:56,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2019-12-07 17:28:56,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:28:56,920 INFO L225 Difference]: With dead ends: 4385 [2019-12-07 17:28:56,920 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:28:56,923 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 231 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:28:56,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:28:56,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:28:56,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:28:56,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:28:56,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 231 [2019-12-07 17:28:56,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:28:56,924 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:28:56,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:28:56,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:28:56,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:28:57,125 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:28:57,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 17:28:57,327 INFO L246 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-12-07 17:28:57,328 INFO L246 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-12-07 17:28:57,328 INFO L246 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,328 INFO L246 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,328 INFO L246 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,328 INFO L246 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,328 INFO L246 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,328 INFO L246 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,328 INFO L246 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-12-07 17:28:57,328 INFO L246 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-12-07 17:28:57,328 INFO L246 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2019-12-07 17:28:57,328 INFO L246 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2019-12-07 17:28:57,329 INFO L246 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2019-12-07 17:28:57,329 INFO L246 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2019-12-07 17:28:57,329 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-12-07 17:28:57,329 INFO L246 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2019-12-07 17:28:57,329 INFO L246 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-12-07 17:28:57,329 INFO L246 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-12-07 17:28:57,329 INFO L246 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,329 INFO L246 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,329 INFO L246 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,329 INFO L246 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,329 INFO L246 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,330 INFO L246 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,330 INFO L246 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-12-07 17:28:57,330 INFO L246 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-12-07 17:28:57,330 INFO L246 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2019-12-07 17:28:57,330 INFO L246 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2019-12-07 17:28:57,330 INFO L246 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2019-12-07 17:28:57,330 INFO L246 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2019-12-07 17:28:57,330 INFO L246 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2019-12-07 17:28:57,330 INFO L246 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2019-12-07 17:28:57,331 INFO L246 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-12-07 17:28:57,331 INFO L246 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-12-07 17:28:57,331 INFO L246 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-12-07 17:28:57,331 INFO L246 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-12-07 17:28:57,331 INFO L246 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-12-07 17:28:57,331 INFO L246 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-12-07 17:28:57,331 INFO L246 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-12-07 17:28:57,331 INFO L246 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,331 INFO L246 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,332 INFO L246 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,332 INFO L246 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,332 INFO L246 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,332 INFO L246 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-12-07 17:28:57,332 INFO L246 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-12-07 17:28:57,332 INFO L246 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2019-12-07 17:28:57,332 INFO L246 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2019-12-07 17:28:57,332 INFO L246 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2019-12-07 17:28:57,332 INFO L246 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2019-12-07 17:28:57,332 INFO L246 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2019-12-07 17:28:57,333 INFO L246 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2019-12-07 17:28:57,333 INFO L246 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-12-07 17:28:57,333 INFO L242 CegarLoopResult]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse3 (not (= ~a16~0 6))) (.cse1 (= ~a21~0 1)) (.cse2 (= ~a20~0 1)) (.cse0 (<= 14 ~a8~0)) (.cse5 (not (= 1 ~a7~0))) (.cse4 (<= ~a20~0 0))) (or (and .cse0 .cse1 .cse2 (= ~a16~0 5)) (<= ~a21~0 0) (and (= 13 ~a8~0) (= ~a16~0 4) (= ~a17~0 1) (= ~a12~0 8) .cse1 .cse2) (and .cse0 .cse3 .cse4) (and .cse3 .cse5 .cse4) (and .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse4))) [2019-12-07 17:28:57,333 INFO L246 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,333 INFO L246 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,334 INFO L246 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,334 INFO L246 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,334 INFO L246 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,334 INFO L246 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-12-07 17:28:57,334 INFO L246 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2019-12-07 17:28:57,334 INFO L246 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2019-12-07 17:28:57,334 INFO L246 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2019-12-07 17:28:57,334 INFO L246 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2019-12-07 17:28:57,334 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-12-07 17:28:57,334 INFO L246 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-12-07 17:28:57,335 INFO L246 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-12-07 17:28:57,335 INFO L246 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-12-07 17:28:57,335 INFO L246 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-12-07 17:28:57,335 INFO L246 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-12-07 17:28:57,335 INFO L246 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-12-07 17:28:57,335 INFO L246 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-12-07 17:28:57,335 INFO L249 CegarLoopResult]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-12-07 17:28:57,335 INFO L246 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,335 INFO L246 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,336 INFO L246 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,336 INFO L246 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,336 INFO L246 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,336 INFO L246 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-12-07 17:28:57,336 INFO L246 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-12-07 17:28:57,336 INFO L246 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-12-07 17:28:57,336 INFO L246 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2019-12-07 17:28:57,336 INFO L246 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2019-12-07 17:28:57,336 INFO L246 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2019-12-07 17:28:57,337 INFO L246 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2019-12-07 17:28:57,337 INFO L246 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2019-12-07 17:28:57,337 INFO L246 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-12-07 17:28:57,337 INFO L246 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,337 INFO L246 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,337 INFO L246 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,337 INFO L246 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,337 INFO L246 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-12-07 17:28:57,337 INFO L246 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,337 INFO L246 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-12-07 17:28:57,337 INFO L246 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-12-07 17:28:57,337 INFO L246 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2019-12-07 17:28:57,337 INFO L246 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2019-12-07 17:28:57,337 INFO L246 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2019-12-07 17:28:57,338 INFO L246 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2019-12-07 17:28:57,338 INFO L246 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2019-12-07 17:28:57,338 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:28:57,338 INFO L246 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-12-07 17:28:57,338 INFO L246 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-12-07 17:28:57,338 INFO L246 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-12-07 17:28:57,338 INFO L246 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-12-07 17:28:57,338 INFO L246 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-12-07 17:28:57,338 INFO L246 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-12-07 17:28:57,338 INFO L246 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,339 INFO L242 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (not (= ~a16~0 6))) (.cse1 (= ~a21~0 1)) (.cse2 (= ~a20~0 1)) (.cse0 (<= 14 ~a8~0)) (.cse5 (not (= 1 ~a7~0))) (.cse4 (<= ~a20~0 0))) (or (and .cse0 .cse1 .cse2 (= ~a16~0 5)) (<= ~a21~0 0) (and (= 13 ~a8~0) (= ~a16~0 4) (= ~a17~0 1) (= ~a12~0 8) .cse1 .cse2) (and .cse0 .cse3 .cse4) (and .cse3 .cse5 .cse4) (and .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse4))) [2019-12-07 17:28:57,339 INFO L246 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,339 INFO L246 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,339 INFO L246 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,339 INFO L246 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,339 INFO L246 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-12-07 17:28:57,339 INFO L246 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2019-12-07 17:28:57,339 INFO L246 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2019-12-07 17:28:57,339 INFO L246 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2019-12-07 17:28:57,339 INFO L246 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2019-12-07 17:28:57,339 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-12-07 17:28:57,339 INFO L246 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-12-07 17:28:57,339 INFO L246 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-12-07 17:28:57,339 INFO L246 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,340 INFO L246 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,340 INFO L246 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,340 INFO L246 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,340 INFO L246 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,340 INFO L246 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-12-07 17:28:57,340 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:28:57,340 INFO L246 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-12-07 17:28:57,340 INFO L246 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-12-07 17:28:57,340 INFO L246 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-12-07 17:28:57,340 INFO L246 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2019-12-07 17:28:57,340 INFO L246 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2019-12-07 17:28:57,340 INFO L246 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2019-12-07 17:28:57,340 INFO L246 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2019-12-07 17:28:57,340 INFO L246 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2019-12-07 17:28:57,340 INFO L246 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-12-07 17:28:57,341 INFO L246 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2019-12-07 17:28:57,341 INFO L246 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-12-07 17:28:57,341 INFO L246 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,341 INFO L246 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,341 INFO L246 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,341 INFO L246 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,341 INFO L246 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-12-07 17:28:57,341 INFO L246 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,341 INFO L246 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,341 INFO L246 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-12-07 17:28:57,341 INFO L246 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-12-07 17:28:57,341 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:28:57,341 INFO L246 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2019-12-07 17:28:57,341 INFO L246 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2019-12-07 17:28:57,341 INFO L246 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2019-12-07 17:28:57,342 INFO L246 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2019-12-07 17:28:57,342 INFO L246 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2019-12-07 17:28:57,342 INFO L246 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2019-12-07 17:28:57,342 INFO L246 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-12-07 17:28:57,342 INFO L246 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-12-07 17:28:57,342 INFO L246 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-12-07 17:28:57,342 INFO L246 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-12-07 17:28:57,342 INFO L246 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,342 INFO L246 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,342 INFO L246 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,342 INFO L246 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,342 INFO L246 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,342 INFO L246 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-12-07 17:28:57,342 INFO L246 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,342 INFO L246 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-12-07 17:28:57,343 INFO L246 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-12-07 17:28:57,343 INFO L246 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2019-12-07 17:28:57,343 INFO L246 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2019-12-07 17:28:57,343 INFO L246 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2019-12-07 17:28:57,343 INFO L246 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2019-12-07 17:28:57,343 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-12-07 17:28:57,343 INFO L246 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2019-12-07 17:28:57,343 INFO L246 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-12-07 17:28:57,343 INFO L246 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-12-07 17:28:57,343 INFO L246 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-12-07 17:28:57,343 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 17:28:57,343 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 563) no Hoare annotation was computed. [2019-12-07 17:28:57,343 INFO L246 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-12-07 17:28:57,343 INFO L246 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-12-07 17:28:57,344 INFO L246 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-12-07 17:28:57,344 INFO L246 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,344 INFO L246 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,344 INFO L246 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,344 INFO L246 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,344 INFO L246 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,344 INFO L246 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:28:57,344 INFO L246 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-12-07 17:28:57,344 INFO L246 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2019-12-07 17:28:57,344 INFO L246 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2019-12-07 17:28:57,344 INFO L246 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2019-12-07 17:28:57,344 INFO L246 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2019-12-07 17:28:57,344 INFO L246 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2019-12-07 17:28:57,344 INFO L246 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2019-12-07 17:28:57,344 INFO L246 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-12-07 17:28:57,345 INFO L246 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-12-07 17:28:57,345 INFO L246 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-12-07 17:28:57,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:28:57 BoogieIcfgContainer [2019-12-07 17:28:57,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:28:57,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:28:57,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:28:57,364 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:28:57,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:28:49" (3/4) ... [2019-12-07 17:28:57,367 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:28:57,387 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 17:28:57,388 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 17:28:57,502 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_029e7912-1d26-4355-aad6-2993cd790014/bin/uautomizer/witness.graphml [2019-12-07 17:28:57,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:28:57,504 INFO L168 Benchmark]: Toolchain (without parser) took 8796.38 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 323.0 MB). Free memory was 928.6 MB in the beginning and 1.3 GB in the end (delta: -380.1 MB). Peak memory consumption was 472.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:28:57,504 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:28:57,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -126.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:28:57,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:28:57,505 INFO L168 Benchmark]: Boogie Preprocessor took 39.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:28:57,505 INFO L168 Benchmark]: RCFGBuilder took 647.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 927.3 MB in the end (delta: 116.7 MB). Peak memory consumption was 116.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:28:57,505 INFO L168 Benchmark]: TraceAbstraction took 7583.06 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 239.6 MB). Free memory was 927.3 MB in the beginning and 785.4 MB in the end (delta: 141.9 MB). Peak memory consumption was 381.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:28:57,505 INFO L168 Benchmark]: Witness Printer took 138.95 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 1.6 MB). Free memory was 785.4 MB in the beginning and 1.3 GB in the end (delta: -523.2 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:28:57,507 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 334.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -126.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 647.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 927.3 MB in the end (delta: 116.7 MB). Peak memory consumption was 116.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7583.06 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 239.6 MB). Free memory was 927.3 MB in the beginning and 785.4 MB in the end (delta: 141.9 MB). Peak memory consumption was 381.5 MB. Max. memory is 11.5 GB. * Witness Printer took 138.95 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 1.6 MB). Free memory was 785.4 MB in the beginning and 1.3 GB in the end (delta: -523.2 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 563]: 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: ((((((((14 <= a8 && a21 == 1) && a20 == 1) && a16 == 5) || a21 <= 0) || (((((13 == a8 && a16 == 4) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || ((14 <= a8 && !(a16 == 6)) && a20 <= 0)) || ((!(a16 == 6) && !(1 == a7)) && a20 <= 0)) || ((!(1 == a7) && a21 == 1) && a20 == 1)) || ((14 <= a8 && !(1 == a7)) && a20 <= 0) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((14 <= a8 && a21 == 1) && a20 == 1) && a16 == 5) || a21 <= 0) || (((((13 == a8 && a16 == 4) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || ((14 <= a8 && !(a16 == 6)) && a20 <= 0)) || ((!(a16 == 6) && !(1 == a7)) && a20 <= 0)) || ((!(1 == a7) && a21 == 1) && a20 == 1)) || ((14 <= a8 && !(1 == a7)) && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 7.3s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 844 SDtfs, 1553 SDslu, 95 SDs, 0 SdLazy, 4356 SolverSat, 617 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 734 GetRequests, 690 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2813occurred in iteration=8, 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, 10 MinimizatonAttempts, 1310 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 36 NumberOfFragments, 163 HoareAnnotationTreeSize, 3 FomulaSimplifications, 903 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 26 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2403 NumberOfCodeBlocks, 2403 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2390 ConstructedInterpolants, 0 QuantifiedInterpolants, 1876072 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1171 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 1262/1357 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...