./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label23.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label23.c -s /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b121c0464c557212174d50c3c43859d1b7172e79 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:27:51,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:27:51,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:27:51,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:27:51,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:27:51,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:27:51,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:27:51,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:27:51,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:27:51,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:27:51,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:27:51,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:27:51,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:27:51,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:27:51,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:27:51,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:27:51,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:27:51,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:27:51,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:27:51,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:27:51,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:27:51,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:27:51,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:27:51,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:27:51,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:27:51,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:27:51,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:27:51,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:27:51,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:27:51,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:27:51,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:27:51,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:27:51,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:27:51,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:27:51,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:27:51,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:27:51,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:27:51,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:27:51,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:27:51,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:27:51,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:27:51,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:27:51,766 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:27:51,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:27:51,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:27:51,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:27:51,768 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:27:51,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:27:51,769 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:27:51,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:27:51,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:27:51,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:27:51,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:27:51,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:27:51,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:27:51,771 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:27:51,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:27:51,772 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:27:51,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:27:51,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:27:51,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:27:51,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:27:51,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:27:51,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:27:51,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:27:51,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:27:51,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:27:51,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:27:51,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:27:51,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:27:51,776 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:27:51,776 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b121c0464c557212174d50c3c43859d1b7172e79 [2020-11-29 19:27:52,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:27:52,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:27:52,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:27:52,205 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:27:52,207 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:27:52,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label23.c [2020-11-29 19:27:52,342 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer/data/9227a7a4a/4cc6b971c1aa48e1bcf2f480ad3d0856/FLAG6e67b59d1 [2020-11-29 19:27:53,046 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:27:53,047 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/sv-benchmarks/c/eca-rers2012/Problem01_label23.c [2020-11-29 19:27:53,065 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer/data/9227a7a4a/4cc6b971c1aa48e1bcf2f480ad3d0856/FLAG6e67b59d1 [2020-11-29 19:27:53,273 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer/data/9227a7a4a/4cc6b971c1aa48e1bcf2f480ad3d0856 [2020-11-29 19:27:53,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:27:53,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:27:53,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:27:53,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:27:53,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:27:53,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:27:53" (1/1) ... [2020-11-29 19:27:53,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b08c0fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:27:53, skipping insertion in model container [2020-11-29 19:27:53,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:27:53" (1/1) ... [2020-11-29 19:27:53,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:27:53,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:27:53,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:27:53,862 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:27:54,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:27:54,022 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:27:54,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:27:54 WrapperNode [2020-11-29 19:27:54,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:27:54,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:27:54,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:27:54,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:27:54,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:27:54" (1/1) ... [2020-11-29 19:27:54,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:27:54" (1/1) ... [2020-11-29 19:27:54,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:27:54,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:27:54,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:27:54,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:27:54,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:27:54" (1/1) ... [2020-11-29 19:27:54,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:27:54" (1/1) ... [2020-11-29 19:27:54,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:27:54" (1/1) ... [2020-11-29 19:27:54,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:27:54" (1/1) ... [2020-11-29 19:27:54,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:27:54" (1/1) ... [2020-11-29 19:27:54,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:27:54" (1/1) ... [2020-11-29 19:27:54,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:27:54" (1/1) ... [2020-11-29 19:27:54,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:27:54,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:27:54,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:27:54,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:27:54,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:27:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:27:54,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:27:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:27:54,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:27:54,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:27:56,184 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:27:56,184 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:27:56,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:27:56 BoogieIcfgContainer [2020-11-29 19:27:56,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:27:56,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:27:56,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:27:56,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:27:56,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:27:53" (1/3) ... [2020-11-29 19:27:56,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6810c5ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:27:56, skipping insertion in model container [2020-11-29 19:27:56,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:27:54" (2/3) ... [2020-11-29 19:27:56,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6810c5ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:27:56, skipping insertion in model container [2020-11-29 19:27:56,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:27:56" (3/3) ... [2020-11-29 19:27:56,198 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label23.c [2020-11-29 19:27:56,211 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:27:56,217 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:27:56,232 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:27:56,263 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:27:56,263 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:27:56,264 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:27:56,264 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:27:56,264 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:27:56,264 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:27:56,265 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:27:56,265 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:27:56,288 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-29 19:27:56,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-11-29 19:27:56,300 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:27:56,301 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:27:56,302 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:27:56,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:27:56,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1911993682, now seen corresponding path program 1 times [2020-11-29 19:27:56,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:27:56,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457577866] [2020-11-29 19:27:56,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:27:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:27:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:27:56,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457577866] [2020-11-29 19:27:56,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:27:56,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:27:56,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837751325] [2020-11-29 19:27:56,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:27:56,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:27:56,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:27:56,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:27:56,965 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-11-29 19:27:58,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:27:58,537 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-11-29 19:27:58,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:27:58,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-11-29 19:27:58,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:27:58,577 INFO L225 Difference]: With dead ends: 529 [2020-11-29 19:27:58,578 INFO L226 Difference]: Without dead ends: 266 [2020-11-29 19:27:58,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:27:58,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-29 19:27:58,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-29 19:27:58,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-29 19:27:58,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2020-11-29 19:27:58,661 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 95 [2020-11-29 19:27:58,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:27:58,663 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2020-11-29 19:27:58,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:27:58,663 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2020-11-29 19:27:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-11-29 19:27:58,669 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:27:58,669 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:27:58,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:27:58,670 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:27:58,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:27:58,671 INFO L82 PathProgramCache]: Analyzing trace with hash 38281721, now seen corresponding path program 1 times [2020-11-29 19:27:58,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:27:58,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100822831] [2020-11-29 19:27:58,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:27:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:27:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:27:58,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100822831] [2020-11-29 19:27:58,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:27:58,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:27:58,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162586186] [2020-11-29 19:27:58,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:27:58,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:27:58,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:27:58,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:27:58,764 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand 3 states. [2020-11-29 19:27:59,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:27:59,595 INFO L93 Difference]: Finished difference Result 792 states and 1153 transitions. [2020-11-29 19:27:59,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:27:59,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-11-29 19:27:59,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:27:59,601 INFO L225 Difference]: With dead ends: 792 [2020-11-29 19:27:59,601 INFO L226 Difference]: Without dead ends: 528 [2020-11-29 19:27:59,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:27:59,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-11-29 19:27:59,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-11-29 19:27:59,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-11-29 19:27:59,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 727 transitions. [2020-11-29 19:27:59,679 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 727 transitions. Word has length 101 [2020-11-29 19:27:59,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:27:59,680 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 727 transitions. [2020-11-29 19:27:59,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:27:59,680 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 727 transitions. [2020-11-29 19:27:59,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-11-29 19:27:59,688 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:27:59,689 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:27:59,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:27:59,689 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:27:59,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:27:59,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1147504377, now seen corresponding path program 1 times [2020-11-29 19:27:59,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:27:59,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403895437] [2020-11-29 19:27:59,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:27:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:27:59,915 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:27:59,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403895437] [2020-11-29 19:27:59,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:27:59,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:27:59,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435753169] [2020-11-29 19:27:59,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:27:59,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:27:59,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:27:59,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:27:59,918 INFO L87 Difference]: Start difference. First operand 528 states and 727 transitions. Second operand 3 states. [2020-11-29 19:28:00,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:28:00,753 INFO L93 Difference]: Finished difference Result 1447 states and 1991 transitions. [2020-11-29 19:28:00,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:28:00,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-11-29 19:28:00,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:28:00,762 INFO L225 Difference]: With dead ends: 1447 [2020-11-29 19:28:00,762 INFO L226 Difference]: Without dead ends: 921 [2020-11-29 19:28:00,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:28:00,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-11-29 19:28:00,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 659. [2020-11-29 19:28:00,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-11-29 19:28:00,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 882 transitions. [2020-11-29 19:28:00,827 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 882 transitions. Word has length 102 [2020-11-29 19:28:00,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:28:00,828 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 882 transitions. [2020-11-29 19:28:00,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:28:00,828 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 882 transitions. [2020-11-29 19:28:00,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-29 19:28:00,833 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:28:00,833 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-29 19:28:00,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:28:00,834 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:28:00,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:28:00,835 INFO L82 PathProgramCache]: Analyzing trace with hash -736679768, now seen corresponding path program 1 times [2020-11-29 19:28:00,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:28:00,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71987771] [2020-11-29 19:28:00,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:28:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:28:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:28:00,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71987771] [2020-11-29 19:28:00,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:28:00,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:28:00,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070007638] [2020-11-29 19:28:00,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:28:00,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:28:00,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:28:00,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:28:00,937 INFO L87 Difference]: Start difference. First operand 659 states and 882 transitions. Second operand 3 states. [2020-11-29 19:28:01,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:28:01,778 INFO L93 Difference]: Finished difference Result 1971 states and 2641 transitions. [2020-11-29 19:28:01,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:28:01,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-11-29 19:28:01,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:28:01,800 INFO L225 Difference]: With dead ends: 1971 [2020-11-29 19:28:01,800 INFO L226 Difference]: Without dead ends: 1183 [2020-11-29 19:28:01,802 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:28:01,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2020-11-29 19:28:01,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2020-11-29 19:28:01,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-11-29 19:28:01,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1388 transitions. [2020-11-29 19:28:01,843 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1388 transitions. Word has length 108 [2020-11-29 19:28:01,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:28:01,844 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1388 transitions. [2020-11-29 19:28:01,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:28:01,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1388 transitions. [2020-11-29 19:28:01,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-29 19:28:01,848 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:28:01,848 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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] [2020-11-29 19:28:01,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:28:01,849 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:28:01,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:28:01,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1650178, now seen corresponding path program 1 times [2020-11-29 19:28:01,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:28:01,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092038161] [2020-11-29 19:28:01,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:28:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:28:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 19:28:01,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092038161] [2020-11-29 19:28:01,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:28:01,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:28:01,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842642421] [2020-11-29 19:28:01,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:28:01,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:28:01,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:28:01,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:28:01,947 INFO L87 Difference]: Start difference. First operand 1183 states and 1388 transitions. Second operand 3 states. [2020-11-29 19:28:02,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:28:02,797 INFO L93 Difference]: Finished difference Result 2757 states and 3262 transitions. [2020-11-29 19:28:02,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:28:02,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-29 19:28:02,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:28:02,809 INFO L225 Difference]: With dead ends: 2757 [2020-11-29 19:28:02,810 INFO L226 Difference]: Without dead ends: 1707 [2020-11-29 19:28:02,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:28:02,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2020-11-29 19:28:02,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1445. [2020-11-29 19:28:02,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2020-11-29 19:28:02,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1697 transitions. [2020-11-29 19:28:02,873 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1697 transitions. Word has length 121 [2020-11-29 19:28:02,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:28:02,873 INFO L481 AbstractCegarLoop]: Abstraction has 1445 states and 1697 transitions. [2020-11-29 19:28:02,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:28:02,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1697 transitions. [2020-11-29 19:28:02,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-29 19:28:02,878 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:28:02,878 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 19:28:02,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:28:02,879 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:28:02,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:28:02,880 INFO L82 PathProgramCache]: Analyzing trace with hash 2138292009, now seen corresponding path program 1 times [2020-11-29 19:28:02,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:28:02,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091303391] [2020-11-29 19:28:02,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:28:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:28:03,049 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 19:28:03,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091303391] [2020-11-29 19:28:03,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:28:03,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:28:03,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583350533] [2020-11-29 19:28:03,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:28:03,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:28:03,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:28:03,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:28:03,052 INFO L87 Difference]: Start difference. First operand 1445 states and 1697 transitions. Second operand 3 states. [2020-11-29 19:28:03,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:28:03,807 INFO L93 Difference]: Finished difference Result 2888 states and 3407 transitions. [2020-11-29 19:28:03,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:28:03,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-11-29 19:28:03,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:28:03,819 INFO L225 Difference]: With dead ends: 2888 [2020-11-29 19:28:03,820 INFO L226 Difference]: Without dead ends: 1576 [2020-11-29 19:28:03,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:28:03,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2020-11-29 19:28:03,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2020-11-29 19:28:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2020-11-29 19:28:03,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1836 transitions. [2020-11-29 19:28:03,877 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1836 transitions. Word has length 123 [2020-11-29 19:28:03,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:28:03,883 INFO L481 AbstractCegarLoop]: Abstraction has 1576 states and 1836 transitions. [2020-11-29 19:28:03,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:28:03,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1836 transitions. [2020-11-29 19:28:03,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-11-29 19:28:03,887 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:28:03,889 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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] [2020-11-29 19:28:03,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:28:03,889 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:28:03,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:28:03,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1954882607, now seen corresponding path program 1 times [2020-11-29 19:28:03,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:28:03,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336206173] [2020-11-29 19:28:03,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:28:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:28:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 19:28:04,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336206173] [2020-11-29 19:28:04,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713344576] [2020-11-29 19:28:04,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:28:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:28:04,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:28:04,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:28:04,383 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-29 19:28:04,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:28:04,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 19:28:04,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899424722] [2020-11-29 19:28:04,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:28:04,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:28:04,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:28:04,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:28:04,389 INFO L87 Difference]: Start difference. First operand 1576 states and 1836 transitions. Second operand 3 states. [2020-11-29 19:28:05,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:28:05,431 INFO L93 Difference]: Finished difference Result 3543 states and 4202 transitions. [2020-11-29 19:28:05,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:28:05,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-11-29 19:28:05,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:28:05,447 INFO L225 Difference]: With dead ends: 3543 [2020-11-29 19:28:05,447 INFO L226 Difference]: Without dead ends: 1969 [2020-11-29 19:28:05,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:28:05,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2020-11-29 19:28:05,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1445. [2020-11-29 19:28:05,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2020-11-29 19:28:05,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1694 transitions. [2020-11-29 19:28:05,497 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1694 transitions. Word has length 127 [2020-11-29 19:28:05,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:28:05,498 INFO L481 AbstractCegarLoop]: Abstraction has 1445 states and 1694 transitions. [2020-11-29 19:28:05,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:28:05,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1694 transitions. [2020-11-29 19:28:05,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-29 19:28:05,502 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:28:05,503 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:28:05,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-29 19:28:05,729 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:28:05,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:28:05,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1052156810, now seen corresponding path program 1 times [2020-11-29 19:28:05,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:28:05,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232746204] [2020-11-29 19:28:05,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:28:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:28:05,905 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:28:05,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232746204] [2020-11-29 19:28:05,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:28:05,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:28:05,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871479061] [2020-11-29 19:28:05,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:28:05,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:28:05,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:28:05,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:28:05,908 INFO L87 Difference]: Start difference. First operand 1445 states and 1694 transitions. Second operand 4 states. [2020-11-29 19:28:07,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:28:07,063 INFO L93 Difference]: Finished difference Result 3019 states and 3550 transitions. [2020-11-29 19:28:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:28:07,064 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2020-11-29 19:28:07,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:28:07,075 INFO L225 Difference]: With dead ends: 3019 [2020-11-29 19:28:07,075 INFO L226 Difference]: Without dead ends: 1707 [2020-11-29 19:28:07,080 INFO L677 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 [2020-11-29 19:28:07,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2020-11-29 19:28:07,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2020-11-29 19:28:07,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2020-11-29 19:28:07,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1827 transitions. [2020-11-29 19:28:07,129 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1827 transitions. Word has length 128 [2020-11-29 19:28:07,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:28:07,130 INFO L481 AbstractCegarLoop]: Abstraction has 1576 states and 1827 transitions. [2020-11-29 19:28:07,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:28:07,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1827 transitions. [2020-11-29 19:28:07,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-29 19:28:07,135 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:28:07,135 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:28:07,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:28:07,136 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:28:07,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:28:07,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1027884730, now seen corresponding path program 1 times [2020-11-29 19:28:07,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:28:07,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139212585] [2020-11-29 19:28:07,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:28:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:28:07,346 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:28:07,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139212585] [2020-11-29 19:28:07,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:28:07,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:28:07,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639558217] [2020-11-29 19:28:07,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:28:07,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:28:07,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:28:07,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:28:07,351 INFO L87 Difference]: Start difference. First operand 1576 states and 1827 transitions. Second operand 3 states. [2020-11-29 19:28:08,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:28:08,094 INFO L93 Difference]: Finished difference Result 3412 states and 4012 transitions. [2020-11-29 19:28:08,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:28:08,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-11-29 19:28:08,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:28:08,108 INFO L225 Difference]: With dead ends: 3412 [2020-11-29 19:28:08,108 INFO L226 Difference]: Without dead ends: 1969 [2020-11-29 19:28:08,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:28:08,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2020-11-29 19:28:08,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1969. [2020-11-29 19:28:08,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-11-29 19:28:08,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2222 transitions. [2020-11-29 19:28:08,190 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2222 transitions. Word has length 153 [2020-11-29 19:28:08,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:28:08,190 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2222 transitions. [2020-11-29 19:28:08,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:28:08,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2222 transitions. [2020-11-29 19:28:08,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-11-29 19:28:08,200 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:28:08,200 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:28:08,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:28:08,201 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:28:08,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:28:08,202 INFO L82 PathProgramCache]: Analyzing trace with hash 581599229, now seen corresponding path program 1 times [2020-11-29 19:28:08,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:28:08,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231783787] [2020-11-29 19:28:08,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:28:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:28:08,373 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 19:28:08,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231783787] [2020-11-29 19:28:08,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153978525] [2020-11-29 19:28:08,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:28:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:28:08,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:28:08,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:28:08,618 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-29 19:28:08,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:28:08,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 19:28:08,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866049162] [2020-11-29 19:28:08,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:28:08,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:28:08,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:28:08,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:28:08,620 INFO L87 Difference]: Start difference. First operand 1969 states and 2222 transitions. Second operand 3 states. [2020-11-29 19:28:09,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:28:09,324 INFO L93 Difference]: Finished difference Result 4065 states and 4595 transitions. [2020-11-29 19:28:09,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:28:09,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-11-29 19:28:09,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:28:09,326 INFO L225 Difference]: With dead ends: 4065 [2020-11-29 19:28:09,326 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:28:09,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:28:09,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:28:09,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:28:09,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:28:09,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:28:09,333 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 164 [2020-11-29 19:28:09,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:28:09,333 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:28:09,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:28:09,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:28:09,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:28:09,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-29 19:28:09,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:28:09,814 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2020-11-29 19:28:10,009 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2020-11-29 19:28:10,013 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-29 19:28:10,014 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-29 19:28:10,014 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-29 19:28:10,014 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-29 19:28:10,014 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-29 19:28:10,014 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-29 19:28:10,014 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-29 19:28:10,014 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-29 19:28:10,014 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,015 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,015 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,015 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,015 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-29 19:28:10,015 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,015 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,015 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-29 19:28:10,015 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-29 19:28:10,015 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-29 19:28:10,015 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-29 19:28:10,016 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-29 19:28:10,016 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-29 19:28:10,016 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-29 19:28:10,016 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-29 19:28:10,016 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-29 19:28:10,016 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-29 19:28:10,016 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-29 19:28:10,016 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-29 19:28:10,016 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,016 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,017 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,017 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,017 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,017 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-29 19:28:10,017 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,017 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-29 19:28:10,017 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-29 19:28:10,017 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-29 19:28:10,017 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-29 19:28:10,017 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-29 19:28:10,018 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-29 19:28:10,018 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-29 19:28:10,018 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-29 19:28:10,018 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-29 19:28:10,018 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-29 19:28:10,018 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-29 19:28:10,018 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-29 19:28:10,018 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-29 19:28:10,018 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-29 19:28:10,018 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,019 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,019 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,019 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,019 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,019 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,019 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-29 19:28:10,019 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-29 19:28:10,019 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-29 19:28:10,019 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-29 19:28:10,020 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-29 19:28:10,020 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-29 19:28:10,020 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-29 19:28:10,020 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-29 19:28:10,020 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-29 19:28:10,027 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-29 19:28:10,027 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 19:28:10,027 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-29 19:28:10,028 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-29 19:28:10,028 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,028 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,028 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,028 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,028 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,029 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,029 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-29 19:28:10,030 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-29 19:28:10,030 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-29 19:28:10,030 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-29 19:28:10,030 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-29 19:28:10,030 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-29 19:28:10,030 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-29 19:28:10,031 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-29 19:28:10,031 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-29 19:28:10,031 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-29 19:28:10,031 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,031 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,031 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,032 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,032 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,032 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,032 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-29 19:28:10,032 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-29 19:28:10,032 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-29 19:28:10,033 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-29 19:28:10,033 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-29 19:28:10,033 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-29 19:28:10,033 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-29 19:28:10,033 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-29 19:28:10,033 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-29 19:28:10,034 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-29 19:28:10,034 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-29 19:28:10,034 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-29 19:28:10,034 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-29 19:28:10,034 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-29 19:28:10,036 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-29 19:28:10,036 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,037 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,037 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,037 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,037 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,037 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:28:10,038 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-29 19:28:10,038 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-29 19:28:10,038 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-29 19:28:10,038 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-29 19:28:10,038 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-29 19:28:10,038 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-29 19:28:10,039 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-29 19:28:10,039 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-29 19:28:10,039 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-29 19:28:10,042 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse3 (= ~a20~0 1)) (.cse0 (not (= ~a7~0 1))) (.cse2 (<= ~a8~0 14)) (.cse4 (<= ~a16~0 5)) (.cse1 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse3 .cse0) (and .cse2 .cse4) (and .cse4 .cse1) (<= ~a8~0 13))) [2020-11-29 19:28:10,042 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,042 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,042 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,042 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,043 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,043 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-29 19:28:10,043 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-29 19:28:10,043 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-29 19:28:10,043 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-29 19:28:10,043 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-29 19:28:10,044 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-29 19:28:10,044 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-29 19:28:10,044 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-29 19:28:10,044 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-29 19:28:10,044 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-29 19:28:10,044 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-29 19:28:10,045 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-29 19:28:10,045 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:28:10,045 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-29 19:28:10,045 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-29 19:28:10,045 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,045 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,046 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,046 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,046 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,046 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-29 19:28:10,046 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-29 19:28:10,047 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-29 19:28:10,047 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-29 19:28:10,047 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-29 19:28:10,047 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-29 19:28:10,047 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-29 19:28:10,047 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-29 19:28:10,048 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-29 19:28:10,048 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:28:10,048 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,048 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,048 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,048 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,049 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-29 19:28:10,049 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,049 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-29 19:28:10,049 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-29 19:28:10,049 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-29 19:28:10,049 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-29 19:28:10,050 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-29 19:28:10,050 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-29 19:28:10,050 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-29 19:28:10,050 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-29 19:28:10,050 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-29 19:28:10,050 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-29 19:28:10,051 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-29 19:28:10,051 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-29 19:28:10,051 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-29 19:28:10,051 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,051 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse3 (= ~a20~0 1)) (.cse0 (not (= ~a7~0 1))) (.cse2 (<= ~a8~0 14)) (.cse4 (<= ~a16~0 5)) (.cse1 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse3 .cse0) (and .cse2 .cse4) (and .cse4 .cse1) (<= ~a8~0 13))) [2020-11-29 19:28:10,052 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,052 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,052 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,052 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,052 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-29 19:28:10,053 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:28:10,053 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 19:28:10,053 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-29 19:28:10,053 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-29 19:28:10,053 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-29 19:28:10,054 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-29 19:28:10,054 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-29 19:28:10,054 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-29 19:28:10,054 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-29 19:28:10,054 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,054 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,055 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,055 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,055 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 19:28:10,055 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-29 19:28:10,055 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-29 19:28:10,055 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-29 19:28:10,056 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-29 19:28:10,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:28:10 BoogieIcfgContainer [2020-11-29 19:28:10,089 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:28:10,091 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:28:10,091 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:28:10,092 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:28:10,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:27:56" (3/4) ... [2020-11-29 19:28:10,098 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:28:10,135 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:28:10,137 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:28:10,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:28:10,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:28:10,343 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_30997881-f664-47cb-9236-baa09a1a5852/bin/uautomizer/witness.graphml [2020-11-29 19:28:10,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:28:10,345 INFO L168 Benchmark]: Toolchain (without parser) took 17066.15 ms. Allocated memory was 79.7 MB in the beginning and 239.1 MB in the end (delta: 159.4 MB). Free memory was 47.0 MB in the beginning and 75.8 MB in the end (delta: -28.8 MB). Peak memory consumption was 130.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:28:10,345 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 79.7 MB. Free memory was 38.8 MB in the beginning and 38.7 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:28:10,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.64 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 46.6 MB in the beginning and 57.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:28:10,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.69 ms. Allocated memory is still 96.5 MB. Free memory was 57.5 MB in the beginning and 51.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:28:10,347 INFO L168 Benchmark]: Boogie Preprocessor took 90.01 ms. Allocated memory is still 96.5 MB. Free memory was 51.8 MB in the beginning and 47.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:28:10,348 INFO L168 Benchmark]: RCFGBuilder took 1954.97 ms. Allocated memory is still 96.5 MB. Free memory was 47.0 MB in the beginning and 55.7 MB in the end (delta: -8.7 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:28:10,348 INFO L168 Benchmark]: TraceAbstraction took 13900.23 ms. Allocated memory was 96.5 MB in the beginning and 239.1 MB in the end (delta: 142.6 MB). Free memory was 55.1 MB in the beginning and 90.5 MB in the end (delta: -35.4 MB). Peak memory consumption was 108.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:28:10,349 INFO L168 Benchmark]: Witness Printer took 252.88 ms. Allocated memory is still 239.1 MB. Free memory was 90.5 MB in the beginning and 75.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:28:10,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 79.7 MB. Free memory was 38.8 MB in the beginning and 38.7 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 742.64 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 46.6 MB in the beginning and 57.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.69 ms. Allocated memory is still 96.5 MB. Free memory was 57.5 MB in the beginning and 51.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.01 ms. Allocated memory is still 96.5 MB. Free memory was 51.8 MB in the beginning and 47.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1954.97 ms. Allocated memory is still 96.5 MB. Free memory was 47.0 MB in the beginning and 55.7 MB in the end (delta: -8.7 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13900.23 ms. Allocated memory was 96.5 MB in the beginning and 239.1 MB in the end (delta: 142.6 MB). Free memory was 55.1 MB in the beginning and 90.5 MB in the end (delta: -35.4 MB). Peak memory consumption was 108.1 MB. Max. memory is 16.1 GB. * Witness Printer took 252.88 ms. Allocated memory is still 239.1 MB. Free memory was 90.5 MB in the beginning and 75.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((!(a7 == 1) && a20 <= 0) || (a8 <= 14 && a20 == 1)) || (a20 == 1 && !(a7 == 1))) || (a8 <= 14 && a16 <= 5)) || (a16 <= 5 && a20 <= 0)) || a8 <= 13 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((!(a7 == 1) && a20 <= 0) || (a8 <= 14 && a20 == 1)) || (a20 == 1 && !(a7 == 1))) || (a8 <= 14 && a16 <= 5)) || (a16 <= 5 && a20 <= 0)) || a8 <= 13 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.2s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 825 SDtfs, 1250 SDslu, 55 SDs, 0 SdLazy, 3397 SolverSat, 548 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 315 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 1179 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 83 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1740 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 484 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1513 NumberOfCodeBlocks, 1513 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1501 ConstructedInterpolants, 0 QuantifiedInterpolants, 402268 SizeOfPredicates, 2 NumberOfNonLiveVariables, 643 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 519/532 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...