./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label19.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1dbe756481135ac1d54a76a4eed07fd2745a9deb ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:39:54,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:39:54,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:39:54,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:39:54,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:39:54,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:39:54,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:39:54,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:39:54,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:39:54,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:39:54,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:39:54,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:39:54,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:39:54,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:39:54,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:39:54,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:39:54,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:39:54,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:39:54,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:39:54,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:39:54,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:39:54,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:39:54,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:39:54,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:39:54,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:39:54,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:39:54,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:39:54,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:39:54,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:39:54,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:39:54,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:39:54,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:39:54,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:39:54,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:39:54,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:39:54,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:39:54,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:39:54,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:39:54,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:39:54,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:39:54,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:39:54,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:39:54,113 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:39:54,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:39:54,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:39:54,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:39:54,115 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:39:54,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:39:54,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:39:54,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:39:54,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:39:54,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:39:54,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:39:54,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:39:54,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:39:54,116 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:39:54,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:39:54,117 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:39:54,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:39:54,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:39:54,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:39:54,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:39:54,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:39:54,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:39:54,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:39:54,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:39:54,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:39:54,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:39:54,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:39:54,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:39:54,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:39:54,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dbe756481135ac1d54a76a4eed07fd2745a9deb [2019-12-07 17:39:54,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:39:54,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:39:54,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:39:54,236 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:39:54,236 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:39:54,236 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label19.c [2019-12-07 17:39:54,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/bin/uautomizer/data/ab4d4dffd/daa6c10cdd6a444497a6bb2042e88947/FLAGa7756a182 [2019-12-07 17:39:54,742 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:39:54,742 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/sv-benchmarks/c/eca-rers2012/Problem01_label19.c [2019-12-07 17:39:54,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/bin/uautomizer/data/ab4d4dffd/daa6c10cdd6a444497a6bb2042e88947/FLAGa7756a182 [2019-12-07 17:39:54,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/bin/uautomizer/data/ab4d4dffd/daa6c10cdd6a444497a6bb2042e88947 [2019-12-07 17:39:54,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:39:54,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:39:54,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:39:54,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:39:54,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:39:54,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:39:54" (1/1) ... [2019-12-07 17:39:54,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aaa2f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:39:54, skipping insertion in model container [2019-12-07 17:39:54,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:39:54" (1/1) ... [2019-12-07 17:39:54,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:39:54,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:39:55,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:39:55,040 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:39:55,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:39:55,103 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:39:55,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:39:55 WrapperNode [2019-12-07 17:39:55,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:39:55,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:39:55,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:39:55,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:39:55,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:39:55" (1/1) ... [2019-12-07 17:39:55,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:39:55" (1/1) ... [2019-12-07 17:39:55,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:39:55,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:39:55,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:39:55,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:39:55,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:39:55" (1/1) ... [2019-12-07 17:39:55,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:39:55" (1/1) ... [2019-12-07 17:39:55,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:39:55" (1/1) ... [2019-12-07 17:39:55,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:39:55" (1/1) ... [2019-12-07 17:39:55,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:39:55" (1/1) ... [2019-12-07 17:39:55,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:39:55" (1/1) ... [2019-12-07 17:39:55,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:39:55" (1/1) ... [2019-12-07 17:39:55,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:39:55,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:39:55,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:39:55,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:39:55,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:39:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:39:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:39:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:39:55,849 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:39:55,850 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:39:55,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:39:55 BoogieIcfgContainer [2019-12-07 17:39:55,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:39:55,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:39:55,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:39:55,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:39:55,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:39:54" (1/3) ... [2019-12-07 17:39:55,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78812fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:39:55, skipping insertion in model container [2019-12-07 17:39:55,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:39:55" (2/3) ... [2019-12-07 17:39:55,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78812fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:39:55, skipping insertion in model container [2019-12-07 17:39:55,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:39:55" (3/3) ... [2019-12-07 17:39:55,855 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label19.c [2019-12-07 17:39:55,862 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:39:55,867 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:39:55,875 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:39:55,893 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:39:55,893 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:39:55,893 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:39:55,893 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:39:55,893 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:39:55,893 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:39:55,893 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:39:55,893 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:39:55,908 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-12-07 17:39:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-07 17:39:55,914 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:39:55,915 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:39:55,915 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:39:55,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:39:55,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1118209127, now seen corresponding path program 1 times [2019-12-07 17:39:55,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:39:55,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959689186] [2019-12-07 17:39:55,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:39:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:39:56,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:39:56,160 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959689186] [2019-12-07 17:39:56,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:39:56,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:39:56,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731715940] [2019-12-07 17:39:56,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:39:56,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:39:56,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:39:56,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:39:56,178 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-12-07 17:39:56,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:39:56,927 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2019-12-07 17:39:56,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:39:56,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 86 [2019-12-07 17:39:56,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:39:56,940 INFO L225 Difference]: With dead ends: 662 [2019-12-07 17:39:56,940 INFO L226 Difference]: Without dead ends: 397 [2019-12-07 17:39:56,943 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:39:56,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-12-07 17:39:56,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2019-12-07 17:39:56,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-12-07 17:39:56,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 559 transitions. [2019-12-07 17:39:56,986 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 559 transitions. Word has length 86 [2019-12-07 17:39:56,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:39:56,986 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 559 transitions. [2019-12-07 17:39:56,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:39:56,986 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 559 transitions. [2019-12-07 17:39:56,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-07 17:39:56,990 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:39:56,990 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 17:39:56,990 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:39:56,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:39:56,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1535713217, now seen corresponding path program 1 times [2019-12-07 17:39:56,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:39:56,991 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864811514] [2019-12-07 17:39:56,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:39:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:39:57,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:39:57,025 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864811514] [2019-12-07 17:39:57,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:39:57,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:39:57,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628717066] [2019-12-07 17:39:57,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:39:57,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:39:57,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:39:57,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:39:57,027 INFO L87 Difference]: Start difference. First operand 397 states and 559 transitions. Second operand 4 states. [2019-12-07 17:39:57,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:39:57,367 INFO L93 Difference]: Finished difference Result 1185 states and 1672 transitions. [2019-12-07 17:39:57,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:39:57,368 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2019-12-07 17:39:57,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:39:57,371 INFO L225 Difference]: With dead ends: 1185 [2019-12-07 17:39:57,372 INFO L226 Difference]: Without dead ends: 790 [2019-12-07 17:39:57,373 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:39:57,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-12-07 17:39:57,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-12-07 17:39:57,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-12-07 17:39:57,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1066 transitions. [2019-12-07 17:39:57,404 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1066 transitions. Word has length 91 [2019-12-07 17:39:57,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:39:57,404 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1066 transitions. [2019-12-07 17:39:57,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:39:57,404 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1066 transitions. [2019-12-07 17:39:57,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-12-07 17:39:57,409 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:39:57,409 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:39:57,409 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:39:57,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:39:57,409 INFO L82 PathProgramCache]: Analyzing trace with hash -391670679, now seen corresponding path program 1 times [2019-12-07 17:39:57,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:39:57,410 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2221088] [2019-12-07 17:39:57,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:39:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:39:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 17:39:57,469 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2221088] [2019-12-07 17:39:57,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:39:57,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:39:57,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658731292] [2019-12-07 17:39:57,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:39:57,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:39:57,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:39:57,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:39:57,471 INFO L87 Difference]: Start difference. First operand 790 states and 1066 transitions. Second operand 3 states. [2019-12-07 17:39:57,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:39:57,783 INFO L93 Difference]: Finished difference Result 1971 states and 2686 transitions. [2019-12-07 17:39:57,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:39:57,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-12-07 17:39:57,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:39:57,790 INFO L225 Difference]: With dead ends: 1971 [2019-12-07 17:39:57,790 INFO L226 Difference]: Without dead ends: 1183 [2019-12-07 17:39:57,791 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:39:57,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2019-12-07 17:39:57,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 921. [2019-12-07 17:39:57,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2019-12-07 17:39:57,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1246 transitions. [2019-12-07 17:39:57,819 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1246 transitions. Word has length 112 [2019-12-07 17:39:57,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:39:57,820 INFO L462 AbstractCegarLoop]: Abstraction has 921 states and 1246 transitions. [2019-12-07 17:39:57,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:39:57,820 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1246 transitions. [2019-12-07 17:39:57,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-07 17:39:57,823 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:39:57,823 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:39:57,823 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:39:57,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:39:57,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1405764788, now seen corresponding path program 1 times [2019-12-07 17:39:57,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:39:57,824 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97241779] [2019-12-07 17:39:57,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:39:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:39:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-12-07 17:39:57,898 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97241779] [2019-12-07 17:39:57,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:39:57,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:39:57,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770077100] [2019-12-07 17:39:57,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:39:57,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:39:57,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:39:57,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:39:57,900 INFO L87 Difference]: Start difference. First operand 921 states and 1246 transitions. Second operand 3 states. [2019-12-07 17:39:58,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:39:58,224 INFO L93 Difference]: Finished difference Result 2233 states and 2997 transitions. [2019-12-07 17:39:58,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:39:58,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-12-07 17:39:58,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:39:58,231 INFO L225 Difference]: With dead ends: 2233 [2019-12-07 17:39:58,231 INFO L226 Difference]: Without dead ends: 1314 [2019-12-07 17:39:58,233 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:39:58,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2019-12-07 17:39:58,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1052. [2019-12-07 17:39:58,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2019-12-07 17:39:58,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1358 transitions. [2019-12-07 17:39:58,260 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1358 transitions. Word has length 148 [2019-12-07 17:39:58,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:39:58,261 INFO L462 AbstractCegarLoop]: Abstraction has 1052 states and 1358 transitions. [2019-12-07 17:39:58,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:39:58,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1358 transitions. [2019-12-07 17:39:58,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-07 17:39:58,263 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:39:58,263 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-12-07 17:39:58,263 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:39:58,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:39:58,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1778218692, now seen corresponding path program 1 times [2019-12-07 17:39:58,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:39:58,264 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716865033] [2019-12-07 17:39:58,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:39:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:39:58,323 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-12-07 17:39:58,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716865033] [2019-12-07 17:39:58,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:39:58,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:39:58,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14813405] [2019-12-07 17:39:58,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:39:58,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:39:58,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:39:58,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:39:58,325 INFO L87 Difference]: Start difference. First operand 1052 states and 1358 transitions. Second operand 3 states. [2019-12-07 17:39:58,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:39:58,701 INFO L93 Difference]: Finished difference Result 2888 states and 3704 transitions. [2019-12-07 17:39:58,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:39:58,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-12-07 17:39:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:39:58,708 INFO L225 Difference]: With dead ends: 2888 [2019-12-07 17:39:58,708 INFO L226 Difference]: Without dead ends: 1838 [2019-12-07 17:39:58,710 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:39:58,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2019-12-07 17:39:58,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1576. [2019-12-07 17:39:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-12-07 17:39:58,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1990 transitions. [2019-12-07 17:39:58,752 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1990 transitions. Word has length 167 [2019-12-07 17:39:58,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:39:58,752 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1990 transitions. [2019-12-07 17:39:58,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:39:58,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1990 transitions. [2019-12-07 17:39:58,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-12-07 17:39:58,755 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:39:58,755 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2019-12-07 17:39:58,755 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:39:58,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:39:58,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1346782237, now seen corresponding path program 1 times [2019-12-07 17:39:58,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:39:58,755 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282899392] [2019-12-07 17:39:58,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:39:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:39:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-12-07 17:39:58,806 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282899392] [2019-12-07 17:39:58,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:39:58,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:39:58,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687503777] [2019-12-07 17:39:58,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:39:58,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:39:58,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:39:58,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:39:58,808 INFO L87 Difference]: Start difference. First operand 1576 states and 1990 transitions. Second operand 3 states. [2019-12-07 17:39:59,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:39:59,126 INFO L93 Difference]: Finished difference Result 3412 states and 4294 transitions. [2019-12-07 17:39:59,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:39:59,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-12-07 17:39:59,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:39:59,134 INFO L225 Difference]: With dead ends: 3412 [2019-12-07 17:39:59,134 INFO L226 Difference]: Without dead ends: 1838 [2019-12-07 17:39:59,136 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:39:59,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2019-12-07 17:39:59,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2019-12-07 17:39:59,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-12-07 17:39:59,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2270 transitions. [2019-12-07 17:39:59,174 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2270 transitions. Word has length 170 [2019-12-07 17:39:59,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:39:59,175 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2270 transitions. [2019-12-07 17:39:59,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:39:59,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2270 transitions. [2019-12-07 17:39:59,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-12-07 17:39:59,178 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:39:59,178 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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] [2019-12-07 17:39:59,178 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:39:59,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:39:59,178 INFO L82 PathProgramCache]: Analyzing trace with hash 566709275, now seen corresponding path program 1 times [2019-12-07 17:39:59,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:39:59,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941128357] [2019-12-07 17:39:59,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:39:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:39:59,303 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-12-07 17:39:59,303 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941128357] [2019-12-07 17:39:59,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:39:59,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 17:39:59,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518479783] [2019-12-07 17:39:59,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 17:39:59,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:39:59,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 17:39:59,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-12-07 17:39:59,305 INFO L87 Difference]: Start difference. First operand 1838 states and 2270 transitions. Second operand 8 states. [2019-12-07 17:39:59,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:39:59,966 INFO L93 Difference]: Finished difference Result 3841 states and 4711 transitions. [2019-12-07 17:39:59,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 17:39:59,966 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 174 [2019-12-07 17:39:59,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:39:59,974 INFO L225 Difference]: With dead ends: 3841 [2019-12-07 17:39:59,974 INFO L226 Difference]: Without dead ends: 2005 [2019-12-07 17:39:59,976 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-12-07 17:39:59,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2005 states. [2019-12-07 17:40:00,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2005 to 1838. [2019-12-07 17:40:00,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-12-07 17:40:00,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2258 transitions. [2019-12-07 17:40:00,011 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2258 transitions. Word has length 174 [2019-12-07 17:40:00,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:40:00,011 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2258 transitions. [2019-12-07 17:40:00,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 17:40:00,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2258 transitions. [2019-12-07 17:40:00,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-07 17:40:00,016 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:40:00,016 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:40:00,016 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:40:00,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:40:00,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1728189589, now seen corresponding path program 1 times [2019-12-07 17:40:00,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:40:00,017 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052114991] [2019-12-07 17:40:00,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:40:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:40:00,102 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-12-07 17:40:00,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052114991] [2019-12-07 17:40:00,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:40:00,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:40:00,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112885334] [2019-12-07 17:40:00,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:40:00,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:40:00,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:40:00,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:40:00,103 INFO L87 Difference]: Start difference. First operand 1838 states and 2258 transitions. Second operand 4 states. [2019-12-07 17:40:00,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:40:00,589 INFO L93 Difference]: Finished difference Result 3936 states and 4836 transitions. [2019-12-07 17:40:00,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:40:00,589 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 207 [2019-12-07 17:40:00,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:40:00,596 INFO L225 Difference]: With dead ends: 3936 [2019-12-07 17:40:00,596 INFO L226 Difference]: Without dead ends: 2100 [2019-12-07 17:40:00,597 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:40:00,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2019-12-07 17:40:00,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1969. [2019-12-07 17:40:00,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2019-12-07 17:40:00,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2323 transitions. [2019-12-07 17:40:00,620 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2323 transitions. Word has length 207 [2019-12-07 17:40:00,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:40:00,621 INFO L462 AbstractCegarLoop]: Abstraction has 1969 states and 2323 transitions. [2019-12-07 17:40:00,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:40:00,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2323 transitions. [2019-12-07 17:40:00,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-12-07 17:40:00,624 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:40:00,625 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-12-07 17:40:00,625 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:40:00,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:40:00,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1488900895, now seen corresponding path program 1 times [2019-12-07 17:40:00,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:40:00,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742891162] [2019-12-07 17:40:00,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:40:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:40:00,720 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-12-07 17:40:00,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742891162] [2019-12-07 17:40:00,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:40:00,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:40:00,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582334640] [2019-12-07 17:40:00,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:40:00,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:40:00,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:40:00,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:40:00,722 INFO L87 Difference]: Start difference. First operand 1969 states and 2323 transitions. Second operand 4 states. [2019-12-07 17:40:01,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:40:01,150 INFO L93 Difference]: Finished difference Result 4460 states and 5222 transitions. [2019-12-07 17:40:01,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:40:01,151 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 233 [2019-12-07 17:40:01,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:40:01,158 INFO L225 Difference]: With dead ends: 4460 [2019-12-07 17:40:01,158 INFO L226 Difference]: Without dead ends: 2493 [2019-12-07 17:40:01,160 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:40:01,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2019-12-07 17:40:01,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 1969. [2019-12-07 17:40:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2019-12-07 17:40:01,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2311 transitions. [2019-12-07 17:40:01,182 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2311 transitions. Word has length 233 [2019-12-07 17:40:01,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:40:01,183 INFO L462 AbstractCegarLoop]: Abstraction has 1969 states and 2311 transitions. [2019-12-07 17:40:01,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:40:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2311 transitions. [2019-12-07 17:40:01,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-12-07 17:40:01,186 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:40:01,187 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2019-12-07 17:40:01,187 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:40:01,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:40:01,187 INFO L82 PathProgramCache]: Analyzing trace with hash -408615606, now seen corresponding path program 1 times [2019-12-07 17:40:01,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:40:01,187 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802796629] [2019-12-07 17:40:01,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:40:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:40:01,299 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2019-12-07 17:40:01,299 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802796629] [2019-12-07 17:40:01,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:40:01,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 17:40:01,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719859034] [2019-12-07 17:40:01,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 17:40:01,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:40:01,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 17:40:01,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 17:40:01,300 INFO L87 Difference]: Start difference. First operand 1969 states and 2311 transitions. Second operand 6 states. [2019-12-07 17:40:01,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:40:01,771 INFO L93 Difference]: Finished difference Result 4105 states and 4795 transitions. [2019-12-07 17:40:01,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:40:01,771 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 254 [2019-12-07 17:40:01,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:40:01,778 INFO L225 Difference]: With dead ends: 4105 [2019-12-07 17:40:01,778 INFO L226 Difference]: Without dead ends: 2138 [2019-12-07 17:40:01,779 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 17:40:01,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2019-12-07 17:40:01,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 1838. [2019-12-07 17:40:01,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-12-07 17:40:01,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2102 transitions. [2019-12-07 17:40:01,799 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2102 transitions. Word has length 254 [2019-12-07 17:40:01,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:40:01,800 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2102 transitions. [2019-12-07 17:40:01,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 17:40:01,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2102 transitions. [2019-12-07 17:40:01,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-12-07 17:40:01,802 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:40:01,803 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 17:40:01,803 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:40:01,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:40:01,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1287995233, now seen corresponding path program 1 times [2019-12-07 17:40:01,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:40:01,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276523836] [2019-12-07 17:40:01,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:40:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:40:02,492 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 351 proven. 8 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-12-07 17:40:02,492 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276523836] [2019-12-07 17:40:02,492 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767110206] [2019-12-07 17:40:02,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:40:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:40:02,585 INFO L264 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:40:02,595 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:40:02,673 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2019-12-07 17:40:02,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 17:40:02,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 14 [2019-12-07 17:40:02,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009479857] [2019-12-07 17:40:02,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:40:02,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:40:02,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:40:02,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2019-12-07 17:40:02,675 INFO L87 Difference]: Start difference. First operand 1838 states and 2102 transitions. Second operand 3 states. [2019-12-07 17:40:03,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:40:03,037 INFO L93 Difference]: Finished difference Result 4065 states and 4618 transitions. [2019-12-07 17:40:03,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:40:03,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 276 [2019-12-07 17:40:03,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:40:03,038 INFO L225 Difference]: With dead ends: 4065 [2019-12-07 17:40:03,038 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:40:03,041 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 280 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2019-12-07 17:40:03,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:40:03,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:40:03,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:40:03,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:40:03,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 276 [2019-12-07 17:40:03,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:40:03,042 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:40:03,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:40:03,042 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:40:03,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:40:03,242 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:40:03,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 17:40:03,594 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 37 [2019-12-07 17:40:03,802 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 37 [2019-12-07 17:40:03,804 INFO L246 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-12-07 17:40:03,804 INFO L246 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-12-07 17:40:03,804 INFO L246 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,804 INFO L246 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,804 INFO L246 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,804 INFO L246 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,804 INFO L246 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,804 INFO L246 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,804 INFO L246 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-12-07 17:40:03,804 INFO L246 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-12-07 17:40:03,804 INFO L246 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2019-12-07 17:40:03,805 INFO L246 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2019-12-07 17:40:03,805 INFO L246 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2019-12-07 17:40:03,805 INFO L246 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2019-12-07 17:40:03,805 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-12-07 17:40:03,805 INFO L246 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2019-12-07 17:40:03,805 INFO L246 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-12-07 17:40:03,805 INFO L246 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-12-07 17:40:03,805 INFO L246 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,805 INFO L246 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,805 INFO L246 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,805 INFO L246 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,805 INFO L246 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,805 INFO L246 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,805 INFO L246 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-12-07 17:40:03,805 INFO L246 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-12-07 17:40:03,806 INFO L246 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2019-12-07 17:40:03,806 INFO L246 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2019-12-07 17:40:03,806 INFO L246 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2019-12-07 17:40:03,806 INFO L246 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2019-12-07 17:40:03,806 INFO L246 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2019-12-07 17:40:03,806 INFO L246 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2019-12-07 17:40:03,806 INFO L246 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-12-07 17:40:03,806 INFO L246 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-12-07 17:40:03,806 INFO L246 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-12-07 17:40:03,806 INFO L246 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-12-07 17:40:03,806 INFO L246 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-12-07 17:40:03,806 INFO L246 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-12-07 17:40:03,807 INFO L246 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-12-07 17:40:03,807 INFO L246 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,807 INFO L246 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,807 INFO L246 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,807 INFO L246 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,807 INFO L246 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,807 INFO L246 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-12-07 17:40:03,807 INFO L246 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-12-07 17:40:03,807 INFO L246 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2019-12-07 17:40:03,807 INFO L246 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2019-12-07 17:40:03,807 INFO L246 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2019-12-07 17:40:03,807 INFO L246 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2019-12-07 17:40:03,808 INFO L246 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2019-12-07 17:40:03,808 INFO L246 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2019-12-07 17:40:03,808 INFO L246 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-12-07 17:40:03,808 INFO L242 CegarLoopResult]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse4 (= ~a16~0 4)) (.cse1 (not (= 1 ~a7~0))) (.cse0 (= ~a21~0 1)) (.cse5 (= ~a20~0 1)) (.cse2 (= ~a16~0 6)) (.cse6 (<= ~a8~0 13)) (.cse3 (= ~a17~0 1))) (or (and .cse0 (= ~a16~0 5)) (and .cse1 .cse0 (= 15 ~a8~0) .cse2) (and (not .cse2) .cse1 .cse3 .cse0) (and .cse4 .cse0 (not .cse3)) (and .cse3 .cse0 .cse5) (and .cse6 .cse4 (<= ~a17~0 0)) (and .cse1 .cse0 .cse5 .cse2) (and .cse6 .cse2) (and .cse6 .cse3))) [2019-12-07 17:40:03,808 INFO L246 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,808 INFO L246 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,808 INFO L246 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,809 INFO L246 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,809 INFO L246 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,809 INFO L246 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-12-07 17:40:03,809 INFO L246 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2019-12-07 17:40:03,809 INFO L246 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2019-12-07 17:40:03,809 INFO L246 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2019-12-07 17:40:03,809 INFO L246 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2019-12-07 17:40:03,809 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-12-07 17:40:03,809 INFO L246 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-12-07 17:40:03,809 INFO L246 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-12-07 17:40:03,809 INFO L246 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-12-07 17:40:03,809 INFO L246 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-12-07 17:40:03,809 INFO L246 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L249 CegarLoopResult]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,810 INFO L246 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-12-07 17:40:03,811 INFO L246 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L242 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse4 (= ~a16~0 4)) (.cse1 (not (= 1 ~a7~0))) (.cse0 (= ~a21~0 1)) (.cse5 (= ~a20~0 1)) (.cse2 (= ~a16~0 6)) (.cse6 (<= ~a8~0 13)) (.cse3 (= ~a17~0 1))) (or (and .cse0 (= ~a16~0 5)) (and .cse1 .cse0 (= 15 ~a8~0) .cse2) (and (not .cse2) .cse1 .cse3 .cse0) (and .cse4 .cse0 (not .cse3)) (and .cse3 .cse0 .cse5) (and .cse6 .cse4 (<= ~a17~0 0)) (and .cse1 .cse0 .cse5 .cse2) (and .cse6 .cse2) (and .cse6 .cse3))) [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,812 INFO L246 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,813 INFO L246 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,814 INFO L246 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 434) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,815 INFO L246 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,816 INFO L246 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,816 INFO L246 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:40:03,816 INFO L246 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-12-07 17:40:03,816 INFO L246 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2019-12-07 17:40:03,816 INFO L246 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2019-12-07 17:40:03,816 INFO L246 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2019-12-07 17:40:03,816 INFO L246 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2019-12-07 17:40:03,816 INFO L246 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2019-12-07 17:40:03,816 INFO L246 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2019-12-07 17:40:03,816 INFO L246 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-12-07 17:40:03,816 INFO L246 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-12-07 17:40:03,816 INFO L246 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-12-07 17:40:03,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:40:03 BoogieIcfgContainer [2019-12-07 17:40:03,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:40:03,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:40:03,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:40:03,833 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:40:03,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:39:55" (3/4) ... [2019-12-07 17:40:03,836 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:40:03,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 17:40:03,855 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 17:40:03,951 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5bae5464-32c0-4b4b-aaa0-92c6272ec710/bin/uautomizer/witness.graphml [2019-12-07 17:40:03,952 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:40:03,953 INFO L168 Benchmark]: Toolchain (without parser) took 9190.09 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 331.4 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 176.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:40:03,953 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:40:03,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:40:03,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:40:03,954 INFO L168 Benchmark]: Boogie Preprocessor took 40.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:40:03,954 INFO L168 Benchmark]: RCFGBuilder took 656.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 956.7 MB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:40:03,954 INFO L168 Benchmark]: TraceAbstraction took 7981.12 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 228.6 MB). Free memory was 956.7 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 73.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:40:03,954 INFO L168 Benchmark]: Witness Printer took 118.96 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:40:03,956 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 656.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 956.7 MB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7981.12 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 228.6 MB). Free memory was 956.7 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 73.6 MB. Max. memory is 11.5 GB. * Witness Printer took 118.96 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 434]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((a21 == 1 && a16 == 5) || (((!(1 == a7) && a21 == 1) && 15 == a8) && a16 == 6)) || (((!(a16 == 6) && !(1 == a7)) && a17 == 1) && a21 == 1)) || ((a16 == 4 && a21 == 1) && !(a17 == 1))) || ((a17 == 1 && a21 == 1) && a20 == 1)) || ((a8 <= 13 && a16 == 4) && a17 <= 0)) || (((!(1 == a7) && a21 == 1) && a20 == 1) && a16 == 6)) || (a8 <= 13 && a16 == 6)) || (a8 <= 13 && a17 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((a21 == 1 && a16 == 5) || (((!(1 == a7) && a21 == 1) && 15 == a8) && a16 == 6)) || (((!(a16 == 6) && !(1 == a7)) && a17 == 1) && a21 == 1)) || ((a16 == 4 && a21 == 1) && !(a17 == 1))) || ((a17 == 1 && a21 == 1) && a20 == 1)) || ((a8 <= 13 && a16 == 4) && a17 <= 0)) || (((!(1 == a7) && a21 == 1) && a20 == 1) && a16 == 6)) || (a8 <= 13 && a16 == 6)) || (a8 <= 13 && a17 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 7.3s, OverallIterations: 11, TraceHistogramMax: 7, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 951 SDtfs, 2266 SDslu, 121 SDs, 0 SdLazy, 5901 SolverSat, 947 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 333 GetRequests, 294 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1908 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 40 NumberOfFragments, 193 HoareAnnotationTreeSize, 3 FomulaSimplifications, 14880 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2160 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2194 NumberOfCodeBlocks, 2194 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2182 ConstructedInterpolants, 0 QuantifiedInterpolants, 1575022 SizeOfPredicates, 1 NumberOfNonLiveVariables, 507 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 2711/2719 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...