./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c -s /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/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 d443bde2b4ed91a040fe01a253a772dbee49a394 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:48:05,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:48:05,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:48:05,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:48:05,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:48:05,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:48:05,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:48:05,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:48:05,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:48:05,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:48:05,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:48:05,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:48:05,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:48:05,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:48:05,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:48:05,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:48:05,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:48:05,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:48:05,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:48:05,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:48:05,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:48:05,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:48:05,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:48:05,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:48:05,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:48:05,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:48:05,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:48:05,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:48:05,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:48:05,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:48:05,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:48:05,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:48:05,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:48:05,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:48:05,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:48:05,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:48:05,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:48:05,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:48:05,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:48:05,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:48:05,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:48:05,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:48:05,596 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:48:05,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:48:05,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:48:05,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:48:05,607 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:48:05,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:48:05,608 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:48:05,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:48:05,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:48:05,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:48:05,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:48:05,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:48:05,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:48:05,609 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:48:05,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:48:05,610 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:48:05,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:48:05,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:48:05,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:48:05,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:48:05,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:48:05,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:48:05,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:48:05,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:48:05,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:48:05,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:48:05,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:48:05,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:48:05,614 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_171f4599-a0d5-45f5-b557-292c424f67e3/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 -> d443bde2b4ed91a040fe01a253a772dbee49a394 [2019-11-25 08:48:05,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:48:05,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:48:05,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:48:05,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:48:05,779 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:48:05,780 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2019-11-25 08:48:05,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/bin/uautomizer/data/329480ea3/939acfdb0caa4e958cb2f0a40f000124/FLAG5421167eb [2019-11-25 08:48:06,389 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:48:06,390 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2019-11-25 08:48:06,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/bin/uautomizer/data/329480ea3/939acfdb0caa4e958cb2f0a40f000124/FLAG5421167eb [2019-11-25 08:48:06,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/bin/uautomizer/data/329480ea3/939acfdb0caa4e958cb2f0a40f000124 [2019-11-25 08:48:06,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:48:06,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:48:06,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:06,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:48:06,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:48:06,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:06" (1/1) ... [2019-11-25 08:48:06,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:06, skipping insertion in model container [2019-11-25 08:48:06,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:06" (1/1) ... [2019-11-25 08:48:06,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:48:06,902 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:48:07,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:07,650 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:48:07,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:07,901 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:48:07,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:07 WrapperNode [2019-11-25 08:48:07,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:07,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:07,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:48:07,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:48:07,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:07" (1/1) ... [2019-11-25 08:48:07,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:07" (1/1) ... [2019-11-25 08:48:08,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:08,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:48:08,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:48:08,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:48:08,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:07" (1/1) ... [2019-11-25 08:48:08,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:07" (1/1) ... [2019-11-25 08:48:08,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:07" (1/1) ... [2019-11-25 08:48:08,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:07" (1/1) ... [2019-11-25 08:48:08,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:07" (1/1) ... [2019-11-25 08:48:08,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:07" (1/1) ... [2019-11-25 08:48:08,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:07" (1/1) ... [2019-11-25 08:48:08,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:48:08,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:48:08,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:48:08,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:48:08,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/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 [2019-11-25 08:48:08,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:48:08,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:48:10,456 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:48:10,457 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 08:48:10,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:10 BoogieIcfgContainer [2019-11-25 08:48:10,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:48:10,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:48:10,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:48:10,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:48:10,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:48:06" (1/3) ... [2019-11-25 08:48:10,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3342f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:48:10, skipping insertion in model container [2019-11-25 08:48:10,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:07" (2/3) ... [2019-11-25 08:48:10,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3342f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:48:10, skipping insertion in model container [2019-11-25 08:48:10,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:10" (3/3) ... [2019-11-25 08:48:10,467 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label24.c [2019-11-25 08:48:10,476 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:48:10,484 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:48:10,494 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:48:10,530 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:48:10,530 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:48:10,531 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:48:10,531 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:48:10,531 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:48:10,531 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:48:10,531 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:48:10,531 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:48:10,550 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-11-25 08:48:10,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-25 08:48:10,565 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:10,565 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:10,566 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:10,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:10,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1612939027, now seen corresponding path program 1 times [2019-11-25 08:48:10,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:10,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637912448] [2019-11-25 08:48:10,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:11,318 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637912448] [2019-11-25 08:48:11,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:11,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:48:11,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463012476] [2019-11-25 08:48:11,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:48:11,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:11,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:48:11,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:48:11,342 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 4 states. [2019-11-25 08:48:13,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:13,493 INFO L93 Difference]: Finished difference Result 1023 states and 1861 transitions. [2019-11-25 08:48:13,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:48:13,494 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 191 [2019-11-25 08:48:13,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:13,517 INFO L225 Difference]: With dead ends: 1023 [2019-11-25 08:48:13,517 INFO L226 Difference]: Without dead ends: 654 [2019-11-25 08:48:13,521 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 [2019-11-25 08:48:13,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2019-11-25 08:48:13,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 652. [2019-11-25 08:48:13,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2019-11-25 08:48:13,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 964 transitions. [2019-11-25 08:48:13,610 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 964 transitions. Word has length 191 [2019-11-25 08:48:13,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:13,610 INFO L462 AbstractCegarLoop]: Abstraction has 652 states and 964 transitions. [2019-11-25 08:48:13,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:48:13,611 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 964 transitions. [2019-11-25 08:48:13,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-25 08:48:13,616 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:13,617 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:13,617 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:13,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:13,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1561555348, now seen corresponding path program 1 times [2019-11-25 08:48:13,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:13,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013970974] [2019-11-25 08:48:13,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:13,718 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:13,719 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013970974] [2019-11-25 08:48:13,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:13,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:48:13,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408290612] [2019-11-25 08:48:13,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:48:13,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:13,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:48:13,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:48:13,724 INFO L87 Difference]: Start difference. First operand 652 states and 964 transitions. Second operand 3 states. [2019-11-25 08:48:14,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:14,706 INFO L93 Difference]: Finished difference Result 1929 states and 2864 transitions. [2019-11-25 08:48:14,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:48:14,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-11-25 08:48:14,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:14,715 INFO L225 Difference]: With dead ends: 1929 [2019-11-25 08:48:14,715 INFO L226 Difference]: Without dead ends: 1279 [2019-11-25 08:48:14,718 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 [2019-11-25 08:48:14,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2019-11-25 08:48:14,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1265. [2019-11-25 08:48:14,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2019-11-25 08:48:14,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1832 transitions. [2019-11-25 08:48:14,765 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1832 transitions. Word has length 199 [2019-11-25 08:48:14,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:14,766 INFO L462 AbstractCegarLoop]: Abstraction has 1265 states and 1832 transitions. [2019-11-25 08:48:14,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:48:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1832 transitions. [2019-11-25 08:48:14,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-25 08:48:14,772 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:14,772 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:14,773 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:14,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:14,773 INFO L82 PathProgramCache]: Analyzing trace with hash -252433271, now seen corresponding path program 1 times [2019-11-25 08:48:14,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:14,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513878326] [2019-11-25 08:48:14,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:15,036 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-25 08:48:15,036 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513878326] [2019-11-25 08:48:15,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:15,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:48:15,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697989308] [2019-11-25 08:48:15,037 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:48:15,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:15,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:48:15,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:48:15,038 INFO L87 Difference]: Start difference. First operand 1265 states and 1832 transitions. Second operand 3 states. [2019-11-25 08:48:16,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:16,130 INFO L93 Difference]: Finished difference Result 3758 states and 5448 transitions. [2019-11-25 08:48:16,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:48:16,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-11-25 08:48:16,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:16,146 INFO L225 Difference]: With dead ends: 3758 [2019-11-25 08:48:16,146 INFO L226 Difference]: Without dead ends: 2495 [2019-11-25 08:48:16,149 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:48:16,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2019-11-25 08:48:16,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2493. [2019-11-25 08:48:16,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2019-11-25 08:48:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 3402 transitions. [2019-11-25 08:48:16,214 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 3402 transitions. Word has length 206 [2019-11-25 08:48:16,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:16,215 INFO L462 AbstractCegarLoop]: Abstraction has 2493 states and 3402 transitions. [2019-11-25 08:48:16,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:48:16,216 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 3402 transitions. [2019-11-25 08:48:16,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-11-25 08:48:16,229 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:16,230 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:16,230 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:16,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:16,231 INFO L82 PathProgramCache]: Analyzing trace with hash -225243153, now seen corresponding path program 1 times [2019-11-25 08:48:16,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:16,231 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328099031] [2019-11-25 08:48:16,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-25 08:48:16,379 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328099031] [2019-11-25 08:48:16,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:16,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:48:16,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290007166] [2019-11-25 08:48:16,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:48:16,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:16,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:48:16,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:48:16,382 INFO L87 Difference]: Start difference. First operand 2493 states and 3402 transitions. Second operand 4 states. [2019-11-25 08:48:17,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:17,435 INFO L93 Difference]: Finished difference Result 4955 states and 6763 transitions. [2019-11-25 08:48:17,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:48:17,437 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 216 [2019-11-25 08:48:17,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:17,450 INFO L225 Difference]: With dead ends: 4955 [2019-11-25 08:48:17,450 INFO L226 Difference]: Without dead ends: 2464 [2019-11-25 08:48:17,454 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 [2019-11-25 08:48:17,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2019-11-25 08:48:17,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 2464. [2019-11-25 08:48:17,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2464 states. [2019-11-25 08:48:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 3263 transitions. [2019-11-25 08:48:17,508 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 3263 transitions. Word has length 216 [2019-11-25 08:48:17,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:17,508 INFO L462 AbstractCegarLoop]: Abstraction has 2464 states and 3263 transitions. [2019-11-25 08:48:17,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:48:17,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3263 transitions. [2019-11-25 08:48:17,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-11-25 08:48:17,515 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:17,516 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:17,516 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:17,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:17,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1464925484, now seen corresponding path program 1 times [2019-11-25 08:48:17,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:17,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841910337] [2019-11-25 08:48:17,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:17,719 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-25 08:48:17,720 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841910337] [2019-11-25 08:48:17,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:17,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:48:17,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495583838] [2019-11-25 08:48:17,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:48:17,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:17,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:48:17,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:48:17,721 INFO L87 Difference]: Start difference. First operand 2464 states and 3263 transitions. Second operand 4 states. [2019-11-25 08:48:19,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:19,293 INFO L93 Difference]: Finished difference Result 9843 states and 13038 transitions. [2019-11-25 08:48:19,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:48:19,293 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2019-11-25 08:48:19,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:19,328 INFO L225 Difference]: With dead ends: 9843 [2019-11-25 08:48:19,328 INFO L226 Difference]: Without dead ends: 7381 [2019-11-25 08:48:19,332 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 [2019-11-25 08:48:19,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7381 states. [2019-11-25 08:48:19,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7381 to 7377. [2019-11-25 08:48:19,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7377 states. [2019-11-25 08:48:19,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7377 states to 7377 states and 9720 transitions. [2019-11-25 08:48:19,473 INFO L78 Accepts]: Start accepts. Automaton has 7377 states and 9720 transitions. Word has length 218 [2019-11-25 08:48:19,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:19,474 INFO L462 AbstractCegarLoop]: Abstraction has 7377 states and 9720 transitions. [2019-11-25 08:48:19,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:48:19,474 INFO L276 IsEmpty]: Start isEmpty. Operand 7377 states and 9720 transitions. [2019-11-25 08:48:19,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-11-25 08:48:19,485 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:19,485 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:19,485 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:19,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:19,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1826592161, now seen corresponding path program 1 times [2019-11-25 08:48:19,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:19,486 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10795668] [2019-11-25 08:48:19,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-25 08:48:19,687 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10795668] [2019-11-25 08:48:19,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:19,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:48:19,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967476166] [2019-11-25 08:48:19,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:48:19,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:19,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:48:19,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:48:19,691 INFO L87 Difference]: Start difference. First operand 7377 states and 9720 transitions. Second operand 3 states. [2019-11-25 08:48:20,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:20,586 INFO L93 Difference]: Finished difference Result 14758 states and 19450 transitions. [2019-11-25 08:48:20,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:48:20,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2019-11-25 08:48:20,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:20,616 INFO L225 Difference]: With dead ends: 14758 [2019-11-25 08:48:20,616 INFO L226 Difference]: Without dead ends: 7383 [2019-11-25 08:48:20,623 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:48:20,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2019-11-25 08:48:20,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 7377. [2019-11-25 08:48:20,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7377 states. [2019-11-25 08:48:20,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7377 states to 7377 states and 8865 transitions. [2019-11-25 08:48:20,750 INFO L78 Accepts]: Start accepts. Automaton has 7377 states and 8865 transitions. Word has length 222 [2019-11-25 08:48:20,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:20,751 INFO L462 AbstractCegarLoop]: Abstraction has 7377 states and 8865 transitions. [2019-11-25 08:48:20,751 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:48:20,751 INFO L276 IsEmpty]: Start isEmpty. Operand 7377 states and 8865 transitions. [2019-11-25 08:48:20,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-25 08:48:20,758 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:20,759 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:20,759 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:20,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:20,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1919299954, now seen corresponding path program 1 times [2019-11-25 08:48:20,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:20,764 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863474261] [2019-11-25 08:48:20,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:20,876 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-25 08:48:20,877 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863474261] [2019-11-25 08:48:20,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:20,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:48:20,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108652387] [2019-11-25 08:48:20,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:48:20,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:20,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:48:20,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:48:20,880 INFO L87 Difference]: Start difference. First operand 7377 states and 8865 transitions. Second operand 3 states. [2019-11-25 08:48:21,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:21,682 INFO L93 Difference]: Finished difference Result 21872 states and 26317 transitions. [2019-11-25 08:48:21,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:48:21,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2019-11-25 08:48:21,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:21,726 INFO L225 Difference]: With dead ends: 21872 [2019-11-25 08:48:21,726 INFO L226 Difference]: Without dead ends: 14497 [2019-11-25 08:48:21,733 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:48:21,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14497 states. [2019-11-25 08:48:22,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14497 to 14488. [2019-11-25 08:48:22,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14488 states. [2019-11-25 08:48:22,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14488 states to 14488 states and 17031 transitions. [2019-11-25 08:48:22,049 INFO L78 Accepts]: Start accepts. Automaton has 14488 states and 17031 transitions. Word has length 240 [2019-11-25 08:48:22,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:22,050 INFO L462 AbstractCegarLoop]: Abstraction has 14488 states and 17031 transitions. [2019-11-25 08:48:22,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:48:22,050 INFO L276 IsEmpty]: Start isEmpty. Operand 14488 states and 17031 transitions. [2019-11-25 08:48:22,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-25 08:48:22,062 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:22,062 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:22,063 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:22,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:22,064 INFO L82 PathProgramCache]: Analyzing trace with hash 237647221, now seen corresponding path program 1 times [2019-11-25 08:48:22,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:22,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494394681] [2019-11-25 08:48:22,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:22,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494394681] [2019-11-25 08:48:22,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:22,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:48:22,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629356576] [2019-11-25 08:48:22,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:48:22,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:22,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:48:22,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:48:22,211 INFO L87 Difference]: Start difference. First operand 14488 states and 17031 transitions. Second operand 4 states. [2019-11-25 08:48:23,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:23,120 INFO L93 Difference]: Finished difference Result 28974 states and 34060 transitions. [2019-11-25 08:48:23,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:48:23,121 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 245 [2019-11-25 08:48:23,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:23,152 INFO L225 Difference]: With dead ends: 28974 [2019-11-25 08:48:23,152 INFO L226 Difference]: Without dead ends: 14488 [2019-11-25 08:48:23,164 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 [2019-11-25 08:48:23,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14488 states. [2019-11-25 08:48:23,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14488 to 14488. [2019-11-25 08:48:23,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14488 states. [2019-11-25 08:48:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14488 states to 14488 states and 16609 transitions. [2019-11-25 08:48:23,342 INFO L78 Accepts]: Start accepts. Automaton has 14488 states and 16609 transitions. Word has length 245 [2019-11-25 08:48:23,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:23,342 INFO L462 AbstractCegarLoop]: Abstraction has 14488 states and 16609 transitions. [2019-11-25 08:48:23,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:48:23,343 INFO L276 IsEmpty]: Start isEmpty. Operand 14488 states and 16609 transitions. [2019-11-25 08:48:23,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-25 08:48:23,354 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:23,354 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:23,355 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:23,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:23,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1556480726, now seen corresponding path program 1 times [2019-11-25 08:48:23,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:23,356 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009826320] [2019-11-25 08:48:23,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:23,457 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-25 08:48:23,457 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009826320] [2019-11-25 08:48:23,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:23,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:48:23,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006564922] [2019-11-25 08:48:23,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:48:23,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:23,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:48:23,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:48:23,465 INFO L87 Difference]: Start difference. First operand 14488 states and 16609 transitions. Second operand 3 states. [2019-11-25 08:48:24,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:24,379 INFO L93 Difference]: Finished difference Result 35718 states and 40926 transitions. [2019-11-25 08:48:24,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:48:24,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-11-25 08:48:24,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:24,401 INFO L225 Difference]: With dead ends: 35718 [2019-11-25 08:48:24,401 INFO L226 Difference]: Without dead ends: 21232 [2019-11-25 08:48:24,414 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 [2019-11-25 08:48:24,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21232 states. [2019-11-25 08:48:24,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21232 to 21227. [2019-11-25 08:48:24,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21227 states. [2019-11-25 08:48:24,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21227 states to 21227 states and 24282 transitions. [2019-11-25 08:48:24,656 INFO L78 Accepts]: Start accepts. Automaton has 21227 states and 24282 transitions. Word has length 253 [2019-11-25 08:48:24,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:24,656 INFO L462 AbstractCegarLoop]: Abstraction has 21227 states and 24282 transitions. [2019-11-25 08:48:24,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:48:24,656 INFO L276 IsEmpty]: Start isEmpty. Operand 21227 states and 24282 transitions. [2019-11-25 08:48:24,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-11-25 08:48:24,670 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:24,670 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:24,671 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:24,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:24,671 INFO L82 PathProgramCache]: Analyzing trace with hash 474797067, now seen corresponding path program 1 times [2019-11-25 08:48:24,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:24,672 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402267246] [2019-11-25 08:48:24,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:24,815 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-25 08:48:24,815 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402267246] [2019-11-25 08:48:24,815 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552689159] [2019-11-25 08:48:24,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/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 [2019-11-25 08:48:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:24,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:48:25,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:25,146 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-11-25 08:48:25,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-25 08:48:25,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2019-11-25 08:48:25,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906726681] [2019-11-25 08:48:25,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:48:25,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:25,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:48:25,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:48:25,151 INFO L87 Difference]: Start difference. First operand 21227 states and 24282 transitions. Second operand 3 states. [2019-11-25 08:48:26,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:26,345 INFO L93 Difference]: Finished difference Result 42470 states and 48598 transitions. [2019-11-25 08:48:26,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:48:26,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 260 [2019-11-25 08:48:26,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:26,374 INFO L225 Difference]: With dead ends: 42470 [2019-11-25 08:48:26,375 INFO L226 Difference]: Without dead ends: 21245 [2019-11-25 08:48:26,394 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:48:26,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21245 states. [2019-11-25 08:48:26,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21245 to 20618. [2019-11-25 08:48:26,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20618 states. [2019-11-25 08:48:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20618 states to 20618 states and 23185 transitions. [2019-11-25 08:48:26,685 INFO L78 Accepts]: Start accepts. Automaton has 20618 states and 23185 transitions. Word has length 260 [2019-11-25 08:48:26,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:26,686 INFO L462 AbstractCegarLoop]: Abstraction has 20618 states and 23185 transitions. [2019-11-25 08:48:26,686 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:48:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 20618 states and 23185 transitions. [2019-11-25 08:48:26,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-25 08:48:26,705 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:26,706 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:26,918 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:48:26,919 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:26,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:26,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1666597647, now seen corresponding path program 1 times [2019-11-25 08:48:26,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:26,920 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551090198] [2019-11-25 08:48:26,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-25 08:48:27,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551090198] [2019-11-25 08:48:27,102 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872424641] [2019-11-25 08:48:27,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:48:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:27,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 08:48:27,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-25 08:48:27,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-25 08:48:27,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-25 08:48:27,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667885626] [2019-11-25 08:48:27,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:48:27,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:27,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:48:27,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:48:27,359 INFO L87 Difference]: Start difference. First operand 20618 states and 23185 transitions. Second operand 3 states. [2019-11-25 08:48:28,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:28,525 INFO L93 Difference]: Finished difference Result 55276 states and 62224 transitions. [2019-11-25 08:48:28,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:48:28,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 270 [2019-11-25 08:48:28,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:28,570 INFO L225 Difference]: With dead ends: 55276 [2019-11-25 08:48:28,571 INFO L226 Difference]: Without dead ends: 34660 [2019-11-25 08:48:28,583 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:48:28,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34660 states. [2019-11-25 08:48:28,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34660 to 34625. [2019-11-25 08:48:28,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34625 states. [2019-11-25 08:48:29,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34625 states to 34625 states and 38656 transitions. [2019-11-25 08:48:29,011 INFO L78 Accepts]: Start accepts. Automaton has 34625 states and 38656 transitions. Word has length 270 [2019-11-25 08:48:29,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:29,011 INFO L462 AbstractCegarLoop]: Abstraction has 34625 states and 38656 transitions. [2019-11-25 08:48:29,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:48:29,012 INFO L276 IsEmpty]: Start isEmpty. Operand 34625 states and 38656 transitions. [2019-11-25 08:48:29,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-11-25 08:48:29,037 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:48:29,038 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:29,241 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:48:29,245 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:48:29,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:29,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1954846457, now seen corresponding path program 1 times [2019-11-25 08:48:29,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:29,245 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282351079] [2019-11-25 08:48:29,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:29,580 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282351079] [2019-11-25 08:48:29,580 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698688798] [2019-11-25 08:48:29,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:48:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:29,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:48:29,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-25 08:48:29,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-25 08:48:29,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-25 08:48:29,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646001863] [2019-11-25 08:48:29,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:48:29,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:29,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:48:29,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:48:29,821 INFO L87 Difference]: Start difference. First operand 34625 states and 38656 transitions. Second operand 3 states. [2019-11-25 08:48:31,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:31,106 INFO L93 Difference]: Finished difference Result 69874 states and 77969 transitions. [2019-11-25 08:48:31,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:48:31,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2019-11-25 08:48:31,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:48:31,108 INFO L225 Difference]: With dead ends: 69874 [2019-11-25 08:48:31,108 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:48:31,132 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 283 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:48:31,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:48:31,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:48:31,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:48:31,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:48:31,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 284 [2019-11-25 08:48:31,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:48:31,134 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:48:31,134 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:48:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:48:31,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:48:31,337 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:48:31,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:48:31,486 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2019-11-25 08:48:31,607 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2019-11-25 08:48:32,062 WARN L192 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-11-25 08:48:32,413 WARN L192 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-11-25 08:48:32,416 INFO L444 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-11-25 08:48:32,416 INFO L444 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-11-25 08:48:32,416 INFO L444 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,416 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,416 INFO L444 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,416 INFO L444 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,416 INFO L444 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,416 INFO L444 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,416 INFO L444 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,417 INFO L444 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2019-11-25 08:48:32,417 INFO L444 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,417 INFO L444 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2019-11-25 08:48:32,417 INFO L444 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2019-11-25 08:48:32,417 INFO L444 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,417 INFO L444 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,417 INFO L444 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,417 INFO L444 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,417 INFO L444 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2019-11-25 08:48:32,417 INFO L444 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2019-11-25 08:48:32,417 INFO L444 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,418 INFO L444 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,419 INFO L444 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-11-25 08:48:32,420 INFO L444 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,420 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,420 INFO L444 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2019-11-25 08:48:32,420 INFO L444 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2019-11-25 08:48:32,420 INFO L444 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,420 INFO L444 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,420 INFO L444 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,420 INFO L444 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,420 INFO L444 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,420 INFO L444 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,420 INFO L444 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,420 INFO L444 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2019-11-25 08:48:32,420 INFO L444 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2019-11-25 08:48:32,421 INFO L444 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2019-11-25 08:48:32,421 INFO L444 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2019-11-25 08:48:32,421 INFO L444 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2019-11-25 08:48:32,421 INFO L444 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,421 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,421 INFO L444 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,421 INFO L444 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,421 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,421 INFO L444 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,421 INFO L444 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,421 INFO L444 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,421 INFO L444 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,422 INFO L444 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,422 INFO L444 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2019-11-25 08:48:32,422 INFO L444 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2019-11-25 08:48:32,422 INFO L444 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2019-11-25 08:48:32,422 INFO L444 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,422 INFO L444 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,422 INFO L444 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,422 INFO L444 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,422 INFO L444 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,422 INFO L444 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,422 INFO L444 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,422 INFO L444 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,422 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,422 INFO L444 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2019-11-25 08:48:32,423 INFO L444 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2019-11-25 08:48:32,423 INFO L444 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2019-11-25 08:48:32,423 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2019-11-25 08:48:32,423 INFO L444 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2019-11-25 08:48:32,423 INFO L444 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,423 INFO L444 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,423 INFO L444 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,423 INFO L444 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,423 INFO L444 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,423 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:48:32,423 INFO L444 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,423 INFO L444 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,423 INFO L444 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,424 INFO L444 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2019-11-25 08:48:32,424 INFO L444 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2019-11-25 08:48:32,424 INFO L444 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2019-11-25 08:48:32,424 INFO L444 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,424 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,424 INFO L444 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,424 INFO L444 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2019-11-25 08:48:32,424 INFO L444 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2019-11-25 08:48:32,424 INFO L444 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,424 INFO L444 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,424 INFO L444 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,424 INFO L444 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2019-11-25 08:48:32,424 INFO L444 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,425 INFO L444 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2019-11-25 08:48:32,425 INFO L444 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,425 INFO L444 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2019-11-25 08:48:32,425 INFO L444 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,425 INFO L444 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,425 INFO L444 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2019-11-25 08:48:32,425 INFO L444 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2019-11-25 08:48:32,425 INFO L444 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2019-11-25 08:48:32,425 INFO L444 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2019-11-25 08:48:32,425 INFO L444 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2019-11-25 08:48:32,425 INFO L444 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2019-11-25 08:48:32,425 INFO L444 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2019-11-25 08:48:32,425 INFO L444 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,426 INFO L444 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,426 INFO L444 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,426 INFO L440 ceAbstractionStarter]: At program point L1649(lines 54 1650) the Hoare annotation is: (let ((.cse8 (= ~a26~0 1)) (.cse9 (<= ~a12~0 0)) (.cse1 (= 1 ~a3~0)) (.cse6 (= 1 ~a6~0)) (.cse10 (not (= 0 ~a3~0))) (.cse7 (= ~a27~0 1)) (.cse5 (<= ~a3~0 0)) (.cse0 (<= ~a6~0 0)) (.cse2 (= 1 ~a5~0)) (.cse3 (= ~a12~0 1)) (.cse4 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse7 .cse2 .cse3 .cse8) (and .cse7 .cse2 .cse6 .cse3 .cse8) (and .cse2 .cse6 .cse3 .cse8 .cse4) (and .cse0 .cse9 .cse2 .cse8 .cse4) (and .cse0 .cse9 .cse7 .cse2) (and .cse7 .cse2 .cse6 .cse3 (= ~a15~0 1)) (and .cse10 .cse0 .cse9 .cse2 .cse4) (and .cse0 .cse2 .cse3 .cse8 .cse4) (and .cse5 .cse9 .cse2 .cse6) (and .cse10 .cse7 .cse2 .cse6 .cse3) (and .cse9 .cse2 .cse6 .cse4) (and .cse9 .cse7 .cse2 .cse6) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and (= ~a10~0 1) .cse2 .cse6 .cse3 (not (= 1 ~a7~0)) .cse4) (and .cse10 .cse0 .cse7 .cse2 .cse3) (and .cse5 .cse0 .cse2 .cse3 .cse4))) [2019-11-25 08:48:32,426 INFO L444 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,426 INFO L444 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,427 INFO L444 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,427 INFO L444 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2019-11-25 08:48:32,427 INFO L444 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2019-11-25 08:48:32,427 INFO L444 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,427 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,427 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:48:32,427 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1608) no Hoare annotation was computed. [2019-11-25 08:48:32,427 INFO L444 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,427 INFO L447 ceAbstractionStarter]: At program point L1652(lines 1652 1669) the Hoare annotation is: true [2019-11-25 08:48:32,427 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,428 INFO L444 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,428 INFO L444 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,428 INFO L444 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,428 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,428 INFO L444 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,428 INFO L444 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2019-11-25 08:48:32,428 INFO L444 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2019-11-25 08:48:32,428 INFO L444 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,428 INFO L444 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,428 INFO L444 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,431 INFO L444 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,432 INFO L444 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,432 INFO L444 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,432 INFO L444 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,432 INFO L444 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,432 INFO L444 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,432 INFO L444 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2019-11-25 08:48:32,432 INFO L444 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2019-11-25 08:48:32,433 INFO L444 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,433 INFO L444 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,433 INFO L444 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2019-11-25 08:48:32,433 INFO L444 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2019-11-25 08:48:32,433 INFO L444 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,433 INFO L440 ceAbstractionStarter]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse8 (= ~a26~0 1)) (.cse9 (<= ~a12~0 0)) (.cse1 (= 1 ~a3~0)) (.cse6 (= 1 ~a6~0)) (.cse10 (not (= 0 ~a3~0))) (.cse7 (= ~a27~0 1)) (.cse5 (<= ~a3~0 0)) (.cse0 (<= ~a6~0 0)) (.cse2 (= 1 ~a5~0)) (.cse3 (= ~a12~0 1)) (.cse4 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse7 .cse2 .cse3 .cse8) (and .cse7 .cse2 .cse6 .cse3 .cse8) (and .cse2 .cse6 .cse3 .cse8 .cse4) (and .cse0 .cse9 .cse2 .cse8 .cse4) (and .cse0 .cse9 .cse7 .cse2) (and .cse7 .cse2 .cse6 .cse3 (= ~a15~0 1)) (and .cse10 .cse0 .cse9 .cse2 .cse4) (and .cse0 .cse2 .cse3 .cse8 .cse4) (and .cse5 .cse9 .cse2 .cse6) (and .cse10 .cse7 .cse2 .cse6 .cse3) (and .cse9 .cse2 .cse6 .cse4) (and .cse9 .cse7 .cse2 .cse6) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and (= ~a10~0 1) .cse2 .cse6 .cse3 (not (= 1 ~a7~0)) .cse4) (and .cse10 .cse0 .cse7 .cse2 .cse3) (and .cse5 .cse0 .cse2 .cse3 .cse4))) [2019-11-25 08:48:32,434 INFO L444 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,434 INFO L444 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,434 INFO L444 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,434 INFO L444 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,434 INFO L444 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2019-11-25 08:48:32,434 INFO L444 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2019-11-25 08:48:32,434 INFO L444 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,435 INFO L444 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,435 INFO L444 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,435 INFO L444 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,435 INFO L444 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,435 INFO L444 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,435 INFO L444 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,435 INFO L444 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,435 INFO L444 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2019-11-25 08:48:32,435 INFO L444 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2019-11-25 08:48:32,435 INFO L444 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2019-11-25 08:48:32,435 INFO L444 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,436 INFO L444 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2019-11-25 08:48:32,436 INFO L444 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,436 INFO L444 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,436 INFO L444 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2019-11-25 08:48:32,436 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,436 INFO L444 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,436 INFO L444 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,436 INFO L444 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,436 INFO L444 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,436 INFO L444 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2019-11-25 08:48:32,436 INFO L444 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,437 INFO L444 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2019-11-25 08:48:32,437 INFO L444 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2019-11-25 08:48:32,437 INFO L444 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2019-11-25 08:48:32,437 INFO L444 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,437 INFO L444 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,437 INFO L444 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,437 INFO L444 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,437 INFO L444 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,437 INFO L444 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,437 INFO L444 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,437 INFO L444 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,437 INFO L444 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,438 INFO L444 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,439 INFO L444 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2019-11-25 08:48:32,439 INFO L444 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2019-11-25 08:48:32,439 INFO L444 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2019-11-25 08:48:32,439 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:48:32,439 INFO L444 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,439 INFO L444 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,439 INFO L444 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,439 INFO L444 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,439 INFO L444 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,439 INFO L444 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,440 INFO L444 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,440 INFO L444 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2019-11-25 08:48:32,440 INFO L444 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2019-11-25 08:48:32,440 INFO L444 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,440 INFO L444 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2019-11-25 08:48:32,440 INFO L444 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2019-11-25 08:48:32,440 INFO L444 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2019-11-25 08:48:32,440 INFO L444 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,441 INFO L444 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,441 INFO L444 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,441 INFO L444 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,441 INFO L444 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,441 INFO L444 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2019-11-25 08:48:32,441 INFO L444 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2019-11-25 08:48:32,441 INFO L444 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,442 INFO L444 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,442 INFO L444 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,442 INFO L444 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2019-11-25 08:48:32,442 INFO L444 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2019-11-25 08:48:32,442 INFO L444 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,442 INFO L444 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2019-11-25 08:48:32,442 INFO L444 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,442 INFO L444 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,443 INFO L444 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,443 INFO L444 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,443 INFO L444 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,443 INFO L444 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,443 INFO L444 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,443 INFO L444 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,443 INFO L444 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,443 INFO L444 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,444 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:48:32,444 INFO L444 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2019-11-25 08:48:32,444 INFO L444 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2019-11-25 08:48:32,444 INFO L444 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2019-11-25 08:48:32,444 INFO L444 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,444 INFO L444 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2019-11-25 08:48:32,444 INFO L444 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2019-11-25 08:48:32,445 INFO L444 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,445 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,445 INFO L444 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,445 INFO L444 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,445 INFO L444 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,445 INFO L444 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,445 INFO L444 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,446 INFO L444 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,446 INFO L444 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,446 INFO L444 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2019-11-25 08:48:32,446 INFO L444 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2019-11-25 08:48:32,446 INFO L444 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2019-11-25 08:48:32,446 INFO L444 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,446 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,446 INFO L444 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,447 INFO L444 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,447 INFO L444 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:48:32,447 INFO L444 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,447 INFO L444 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2019-11-25 08:48:32,447 INFO L444 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2019-11-25 08:48:32,447 INFO L444 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,447 INFO L444 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2019-11-25 08:48:32,447 INFO L444 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2019-11-25 08:48:32,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:48:32 BoogieIcfgContainer [2019-11-25 08:48:32,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:48:32,513 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:48:32,513 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:48:32,513 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:48:32,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:10" (3/4) ... [2019-11-25 08:48:32,517 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:48:32,558 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-25 08:48:32,562 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:48:32,782 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_171f4599-a0d5-45f5-b557-292c424f67e3/bin/uautomizer/witness.graphml [2019-11-25 08:48:32,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:48:32,783 INFO L168 Benchmark]: Toolchain (without parser) took 25978.29 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 837.8 MB). Free memory was 944.7 MB in the beginning and 1.4 GB in the end (delta: -410.4 MB). Peak memory consumption was 427.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:32,784 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:48:32,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1095.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:32,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:32,785 INFO L168 Benchmark]: Boogie Preprocessor took 107.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:32,785 INFO L168 Benchmark]: RCFGBuilder took 2319.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.9 MB). Peak memory consumption was 196.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:32,785 INFO L168 Benchmark]: TraceAbstraction took 22053.25 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 643.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -335.8 MB). Peak memory consumption was 307.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:32,786 INFO L168 Benchmark]: Witness Printer took 269.47 ms. Allocated memory is still 1.9 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:32,787 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1095.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 128.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2319.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.9 MB). Peak memory consumption was 196.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22053.25 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 643.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -335.8 MB). Peak memory consumption was 307.5 MB. Max. memory is 11.5 GB. * Witness Printer took 269.47 ms. Allocated memory is still 1.9 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1608]: 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: 1652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a6 <= 0 && 1 == a3) && 1 == a5) && a12 == 1) && a27 <= 0) || ((((a3 <= 0 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || ((((a6 <= 0 && a27 == 1) && 1 == a5) && a12 == 1) && a26 == 1)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a26 == 1)) || ((((1 == a5 && 1 == a6) && a12 == 1) && a26 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 <= 0) && 1 == a5) && a26 == 1) && a27 <= 0)) || (((a6 <= 0 && a12 <= 0) && a27 == 1) && 1 == a5)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a15 == 1)) || ((((!(0 == a3) && a6 <= 0) && a12 <= 0) && 1 == a5) && a27 <= 0)) || ((((a6 <= 0 && 1 == a5) && a12 == 1) && a26 == 1) && a27 <= 0)) || (((a3 <= 0 && a12 <= 0) && 1 == a5) && 1 == a6)) || ((((!(0 == a3) && a27 == 1) && 1 == a5) && 1 == a6) && a12 == 1)) || (((a12 <= 0 && 1 == a5) && 1 == a6) && a27 <= 0)) || (((a12 <= 0 && a27 == 1) && 1 == a5) && 1 == a6)) || ((((1 == a3 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || (((((a10 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && !(1 == a7)) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a27 == 1) && 1 == a5) && a12 == 1)) || ((((a3 <= 0 && a6 <= 0) && 1 == a5) && a12 == 1) && a27 <= 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a6 <= 0 && 1 == a3) && 1 == a5) && a12 == 1) && a27 <= 0) || ((((a3 <= 0 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || ((((a6 <= 0 && a27 == 1) && 1 == a5) && a12 == 1) && a26 == 1)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a26 == 1)) || ((((1 == a5 && 1 == a6) && a12 == 1) && a26 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 <= 0) && 1 == a5) && a26 == 1) && a27 <= 0)) || (((a6 <= 0 && a12 <= 0) && a27 == 1) && 1 == a5)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a15 == 1)) || ((((!(0 == a3) && a6 <= 0) && a12 <= 0) && 1 == a5) && a27 <= 0)) || ((((a6 <= 0 && 1 == a5) && a12 == 1) && a26 == 1) && a27 <= 0)) || (((a3 <= 0 && a12 <= 0) && 1 == a5) && 1 == a6)) || ((((!(0 == a3) && a27 == 1) && 1 == a5) && 1 == a6) && a12 == 1)) || (((a12 <= 0 && 1 == a5) && 1 == a6) && a27 <= 0)) || (((a12 <= 0 && a27 == 1) && 1 == a5) && 1 == a6)) || ((((1 == a3 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || (((((a10 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && !(1 == a7)) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a27 == 1) && 1 == a5) && a12 == 1)) || ((((a3 <= 0 && a6 <= 0) && 1 == a5) && a12 == 1) && a27 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Result: SAFE, OverallTime: 21.9s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 2294 SDtfs, 3303 SDslu, 295 SDs, 0 SdLazy, 8498 SolverSat, 1746 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 853 GetRequests, 823 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34625occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 704 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 352 NumberOfFragments, 569 HoareAnnotationTreeSize, 3 FomulaSimplifications, 7204 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 354 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 3618 NumberOfCodeBlocks, 3618 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3603 ConstructedInterpolants, 0 QuantifiedInterpolants, 1933145 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1507 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 1099/1113 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...