./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label48.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label48.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/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 0efda15f8357629016064e69e444205aff537305 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:27:33,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:27:33,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:27:33,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:27:33,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:27:33,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:27:33,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:27:33,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:27:33,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:27:33,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:27:33,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:27:33,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:27:33,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:27:33,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:27:33,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:27:33,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:27:33,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:27:33,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:27:33,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:27:33,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:27:33,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:27:33,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:27:33,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:27:33,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:27:33,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:27:33,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:27:33,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:27:33,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:27:33,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:27:33,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:27:33,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:27:33,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:27:33,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:27:33,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:27:33,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:27:33,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:27:33,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:27:33,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:27:33,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:27:33,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:27:33,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:27:33,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 04:27:33,659 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:27:33,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:27:33,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:27:33,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:27:33,661 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:27:33,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:27:33,661 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:27:33,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:27:33,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:27:33,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:27:33,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:27:33,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:27:33,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:27:33,663 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:27:33,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:27:33,663 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:27:33,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:27:33,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:27:33,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:27:33,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:27:33,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 04:27:33,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:27:33,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:27:33,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:27:33,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:27:33,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:27:33,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:27:33,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:27:33,666 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_ae95f11a-70c5-4587-b890-3c51f65b3ae0/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 -> 0efda15f8357629016064e69e444205aff537305 [2019-11-20 04:27:33,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:27:33,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:27:33,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:27:33,912 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:27:33,913 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:27:33,915 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label48.c [2019-11-20 04:27:33,992 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/bin/uautomizer/data/93c06019e/638dccd47469416186f03a3fa92083b7/FLAG7e85e6f28 [2019-11-20 04:27:34,634 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:27:34,635 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/sv-benchmarks/c/eca-rers2012/Problem01_label48.c [2019-11-20 04:27:34,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/bin/uautomizer/data/93c06019e/638dccd47469416186f03a3fa92083b7/FLAG7e85e6f28 [2019-11-20 04:27:34,871 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/bin/uautomizer/data/93c06019e/638dccd47469416186f03a3fa92083b7 [2019-11-20 04:27:34,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:27:34,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:27:34,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:27:34,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:27:34,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:27:34,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:27:34" (1/1) ... [2019-11-20 04:27:34,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7428106b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:34, skipping insertion in model container [2019-11-20 04:27:34,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:27:34" (1/1) ... [2019-11-20 04:27:34,895 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:27:34,948 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:27:35,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:27:35,571 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:27:35,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:27:35,731 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:27:35,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:35 WrapperNode [2019-11-20 04:27:35,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:27:35,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:27:35,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:27:35,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:27:35,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:35" (1/1) ... [2019-11-20 04:27:35,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:35" (1/1) ... [2019-11-20 04:27:35,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:27:35,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:27:35,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:27:35,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:27:35,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:35" (1/1) ... [2019-11-20 04:27:35,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:35" (1/1) ... [2019-11-20 04:27:35,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:35" (1/1) ... [2019-11-20 04:27:35,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:35" (1/1) ... [2019-11-20 04:27:35,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:35" (1/1) ... [2019-11-20 04:27:35,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:35" (1/1) ... [2019-11-20 04:27:35,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:35" (1/1) ... [2019-11-20 04:27:35,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:27:35,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:27:35,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:27:35,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:27:35,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/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 [2019-11-20 04:27:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:27:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:27:37,314 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:27:37,314 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 04:27:37,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:27:37 BoogieIcfgContainer [2019-11-20 04:27:37,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:27:37,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 04:27:37,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 04:27:37,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 04:27:37,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:27:34" (1/3) ... [2019-11-20 04:27:37,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f43951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:27:37, skipping insertion in model container [2019-11-20 04:27:37,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:35" (2/3) ... [2019-11-20 04:27:37,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f43951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:27:37, skipping insertion in model container [2019-11-20 04:27:37,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:27:37" (3/3) ... [2019-11-20 04:27:37,329 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label48.c [2019-11-20 04:27:37,340 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 04:27:37,349 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 04:27:37,361 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 04:27:37,402 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 04:27:37,402 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 04:27:37,402 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 04:27:37,402 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:27:37,403 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:27:37,403 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 04:27:37,403 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:27:37,403 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 04:27:37,430 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-11-20 04:27:37,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-20 04:27:37,454 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:27:37,455 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] [2019-11-20 04:27:37,456 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:27:37,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:27:37,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1763883850, now seen corresponding path program 1 times [2019-11-20 04:27:37,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:27:37,471 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624638897] [2019-11-20 04:27:37,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:27:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:27:38,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:27:38,092 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624638897] [2019-11-20 04:27:38,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:27:38,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:27:38,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602715000] [2019-11-20 04:27:38,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 04:27:38,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:27:38,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:27:38,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:27:38,124 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-11-20 04:27:39,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:27:39,750 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2019-11-20 04:27:39,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:27:39,752 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2019-11-20 04:27:39,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:27:39,773 INFO L225 Difference]: With dead ends: 662 [2019-11-20 04:27:39,774 INFO L226 Difference]: Without dead ends: 397 [2019-11-20 04:27:39,779 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:27:39,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-11-20 04:27:39,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2019-11-20 04:27:39,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-11-20 04:27:39,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 577 transitions. [2019-11-20 04:27:39,887 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 577 transitions. Word has length 121 [2019-11-20 04:27:39,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:27:39,889 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 577 transitions. [2019-11-20 04:27:39,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 04:27:39,889 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 577 transitions. [2019-11-20 04:27:39,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 04:27:39,901 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:27:39,903 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:27:39,903 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:27:39,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:27:39,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1818986610, now seen corresponding path program 1 times [2019-11-20 04:27:39,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:27:39,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490734638] [2019-11-20 04:27:39,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:27:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:27:40,029 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:27:40,029 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490734638] [2019-11-20 04:27:40,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:27:40,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:27:40,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176753767] [2019-11-20 04:27:40,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:27:40,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:27:40,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:27:40,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:27:40,034 INFO L87 Difference]: Start difference. First operand 397 states and 577 transitions. Second operand 3 states. [2019-11-20 04:27:40,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:27:40,679 INFO L93 Difference]: Finished difference Result 1185 states and 1726 transitions. [2019-11-20 04:27:40,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:27:40,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2019-11-20 04:27:40,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:27:40,686 INFO L225 Difference]: With dead ends: 1185 [2019-11-20 04:27:40,686 INFO L226 Difference]: Without dead ends: 790 [2019-11-20 04:27:40,693 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 [2019-11-20 04:27:40,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-11-20 04:27:40,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2019-11-20 04:27:40,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-11-20 04:27:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 888 transitions. [2019-11-20 04:27:40,735 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 888 transitions. Word has length 134 [2019-11-20 04:27:40,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:27:40,737 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 888 transitions. [2019-11-20 04:27:40,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:27:40,738 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 888 transitions. [2019-11-20 04:27:40,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-20 04:27:40,744 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:27:40,744 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2019-11-20 04:27:40,744 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:27:40,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:27:40,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1407656640, now seen corresponding path program 1 times [2019-11-20 04:27:40,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:27:40,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870569355] [2019-11-20 04:27:40,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:27:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:27:40,878 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 04:27:40,879 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870569355] [2019-11-20 04:27:40,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:27:40,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:27:40,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870664498] [2019-11-20 04:27:40,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 04:27:40,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:27:40,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:27:40,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:27:40,886 INFO L87 Difference]: Start difference. First operand 659 states and 888 transitions. Second operand 4 states. [2019-11-20 04:27:41,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:27:41,938 INFO L93 Difference]: Finished difference Result 2233 states and 3034 transitions. [2019-11-20 04:27:41,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:27:41,938 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2019-11-20 04:27:41,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:27:41,958 INFO L225 Difference]: With dead ends: 2233 [2019-11-20 04:27:41,958 INFO L226 Difference]: Without dead ends: 1576 [2019-11-20 04:27:41,961 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 [2019-11-20 04:27:41,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2019-11-20 04:27:42,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1445. [2019-11-20 04:27:42,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2019-11-20 04:27:42,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1879 transitions. [2019-11-20 04:27:42,025 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1879 transitions. Word has length 143 [2019-11-20 04:27:42,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:27:42,026 INFO L462 AbstractCegarLoop]: Abstraction has 1445 states and 1879 transitions. [2019-11-20 04:27:42,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 04:27:42,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1879 transitions. [2019-11-20 04:27:42,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-20 04:27:42,033 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:27:42,033 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:27:42,034 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:27:42,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:27:42,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1463287631, now seen corresponding path program 1 times [2019-11-20 04:27:42,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:27:42,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874656117] [2019-11-20 04:27:42,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:27:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:27:42,219 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 04:27:42,219 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874656117] [2019-11-20 04:27:42,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:27:42,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:27:42,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578123095] [2019-11-20 04:27:42,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 04:27:42,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:27:42,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:27:42,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:27:42,222 INFO L87 Difference]: Start difference. First operand 1445 states and 1879 transitions. Second operand 4 states. [2019-11-20 04:27:43,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:27:43,025 INFO L93 Difference]: Finished difference Result 3027 states and 3913 transitions. [2019-11-20 04:27:43,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 04:27:43,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2019-11-20 04:27:43,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:27:43,037 INFO L225 Difference]: With dead ends: 3027 [2019-11-20 04:27:43,037 INFO L226 Difference]: Without dead ends: 1584 [2019-11-20 04:27:43,042 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:27:43,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2019-11-20 04:27:43,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1576. [2019-11-20 04:27:43,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-11-20 04:27:43,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2016 transitions. [2019-11-20 04:27:43,106 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2016 transitions. Word has length 149 [2019-11-20 04:27:43,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:27:43,106 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 2016 transitions. [2019-11-20 04:27:43,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 04:27:43,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2016 transitions. [2019-11-20 04:27:43,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-20 04:27:43,111 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:27:43,112 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:27:43,112 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:27:43,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:27:43,113 INFO L82 PathProgramCache]: Analyzing trace with hash -572408455, now seen corresponding path program 1 times [2019-11-20 04:27:43,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:27:43,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448768917] [2019-11-20 04:27:43,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:27:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:27:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 04:27:43,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448768917] [2019-11-20 04:27:43,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:27:43,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:27:43,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405779009] [2019-11-20 04:27:43,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 04:27:43,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:27:43,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 04:27:43,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:27:43,211 INFO L87 Difference]: Start difference. First operand 1576 states and 2016 transitions. Second operand 5 states. [2019-11-20 04:27:44,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:27:44,343 INFO L93 Difference]: Finished difference Result 3281 states and 4233 transitions. [2019-11-20 04:27:44,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 04:27:44,344 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2019-11-20 04:27:44,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:27:44,356 INFO L225 Difference]: With dead ends: 3281 [2019-11-20 04:27:44,356 INFO L226 Difference]: Without dead ends: 1838 [2019-11-20 04:27:44,359 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:27:44,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2019-11-20 04:27:44,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2019-11-20 04:27:44,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-11-20 04:27:44,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2308 transitions. [2019-11-20 04:27:44,408 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2308 transitions. Word has length 153 [2019-11-20 04:27:44,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:27:44,409 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2308 transitions. [2019-11-20 04:27:44,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 04:27:44,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2308 transitions. [2019-11-20 04:27:44,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-11-20 04:27:44,415 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:27:44,415 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:27:44,416 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:27:44,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:27:44,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1905945086, now seen corresponding path program 1 times [2019-11-20 04:27:44,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:27:44,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774806409] [2019-11-20 04:27:44,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:27:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:27:44,486 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 04:27:44,487 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774806409] [2019-11-20 04:27:44,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:27:44,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:27:44,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311360371] [2019-11-20 04:27:44,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:27:44,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:27:44,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:27:44,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:27:44,491 INFO L87 Difference]: Start difference. First operand 1838 states and 2308 transitions. Second operand 3 states. [2019-11-20 04:27:45,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:27:45,171 INFO L93 Difference]: Finished difference Result 4329 states and 5505 transitions. [2019-11-20 04:27:45,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:27:45,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-11-20 04:27:45,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:27:45,186 INFO L225 Difference]: With dead ends: 4329 [2019-11-20 04:27:45,187 INFO L226 Difference]: Without dead ends: 2362 [2019-11-20 04:27:45,190 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 [2019-11-20 04:27:45,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2019-11-20 04:27:45,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 1969. [2019-11-20 04:27:45,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2019-11-20 04:27:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2242 transitions. [2019-11-20 04:27:45,253 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2242 transitions. Word has length 156 [2019-11-20 04:27:45,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:27:45,253 INFO L462 AbstractCegarLoop]: Abstraction has 1969 states and 2242 transitions. [2019-11-20 04:27:45,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:27:45,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2242 transitions. [2019-11-20 04:27:45,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-11-20 04:27:45,260 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:27:45,261 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-20 04:27:45,261 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:27:45,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:27:45,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1955275782, now seen corresponding path program 1 times [2019-11-20 04:27:45,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:27:45,262 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457888070] [2019-11-20 04:27:45,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:27:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:27:45,439 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:27:45,440 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457888070] [2019-11-20 04:27:45,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:27:45,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:27:45,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976816622] [2019-11-20 04:27:45,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 04:27:45,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:27:45,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 04:27:45,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:27:45,442 INFO L87 Difference]: Start difference. First operand 1969 states and 2242 transitions. Second operand 5 states. [2019-11-20 04:27:46,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:27:46,665 INFO L93 Difference]: Finished difference Result 5246 states and 6053 transitions. [2019-11-20 04:27:46,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 04:27:46,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 171 [2019-11-20 04:27:46,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:27:46,683 INFO L225 Difference]: With dead ends: 5246 [2019-11-20 04:27:46,683 INFO L226 Difference]: Without dead ends: 3410 [2019-11-20 04:27:46,687 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:27:46,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2019-11-20 04:27:46,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 2755. [2019-11-20 04:27:46,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2755 states. [2019-11-20 04:27:46,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3075 transitions. [2019-11-20 04:27:46,761 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3075 transitions. Word has length 171 [2019-11-20 04:27:46,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:27:46,762 INFO L462 AbstractCegarLoop]: Abstraction has 2755 states and 3075 transitions. [2019-11-20 04:27:46,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 04:27:46,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3075 transitions. [2019-11-20 04:27:46,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-11-20 04:27:46,771 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:27:46,771 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:27:46,772 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:27:46,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:27:46,772 INFO L82 PathProgramCache]: Analyzing trace with hash 731241800, now seen corresponding path program 1 times [2019-11-20 04:27:46,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:27:46,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155253820] [2019-11-20 04:27:46,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:27:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:27:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 173 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 04:27:46,998 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155253820] [2019-11-20 04:27:46,999 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231649039] [2019-11-20 04:27:46,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/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 [2019-11-20 04:27:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:27:47,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:27:47,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:27:47,315 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-11-20 04:27:47,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 04:27:47,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-20 04:27:47,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927241164] [2019-11-20 04:27:47,318 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:27:47,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:27:47,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:27:47,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 04:27:47,319 INFO L87 Difference]: Start difference. First operand 2755 states and 3075 transitions. Second operand 3 states. [2019-11-20 04:27:47,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:27:47,969 INFO L93 Difference]: Finished difference Result 5639 states and 6302 transitions. [2019-11-20 04:27:47,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:27:47,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2019-11-20 04:27:47,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:27:47,986 INFO L225 Difference]: With dead ends: 5639 [2019-11-20 04:27:47,986 INFO L226 Difference]: Without dead ends: 2755 [2019-11-20 04:27:47,990 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 237 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 04:27:47,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2019-11-20 04:27:48,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2493. [2019-11-20 04:27:48,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2019-11-20 04:27:48,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2700 transitions. [2019-11-20 04:27:48,059 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2700 transitions. Word has length 237 [2019-11-20 04:27:48,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:27:48,060 INFO L462 AbstractCegarLoop]: Abstraction has 2493 states and 2700 transitions. [2019-11-20 04:27:48,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:27:48,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2700 transitions. [2019-11-20 04:27:48,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-20 04:27:48,069 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:27:48,070 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:27:48,275 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 04:27:48,276 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:27:48,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:27:48,276 INFO L82 PathProgramCache]: Analyzing trace with hash -786840920, now seen corresponding path program 1 times [2019-11-20 04:27:48,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:27:48,287 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492328360] [2019-11-20 04:27:48,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:27:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:27:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-20 04:27:48,461 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492328360] [2019-11-20 04:27:48,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:27:48,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:27:48,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386052755] [2019-11-20 04:27:48,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 04:27:48,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:27:48,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:27:48,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:27:48,464 INFO L87 Difference]: Start difference. First operand 2493 states and 2700 transitions. Second operand 4 states. [2019-11-20 04:27:49,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:27:49,090 INFO L93 Difference]: Finished difference Result 5508 states and 5981 transitions. [2019-11-20 04:27:49,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:27:49,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 240 [2019-11-20 04:27:49,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:27:49,113 INFO L225 Difference]: With dead ends: 5508 [2019-11-20 04:27:49,113 INFO L226 Difference]: Without dead ends: 2886 [2019-11-20 04:27:49,117 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:27:49,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2019-11-20 04:27:49,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2362. [2019-11-20 04:27:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2019-11-20 04:27:49,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2557 transitions. [2019-11-20 04:27:49,180 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2557 transitions. Word has length 240 [2019-11-20 04:27:49,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:27:49,181 INFO L462 AbstractCegarLoop]: Abstraction has 2362 states and 2557 transitions. [2019-11-20 04:27:49,181 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 04:27:49,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2557 transitions. [2019-11-20 04:27:49,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-11-20 04:27:49,191 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:27:49,192 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 04:27:49,192 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:27:49,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:27:49,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1721505113, now seen corresponding path program 1 times [2019-11-20 04:27:49,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:27:49,194 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710776274] [2019-11-20 04:27:49,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:27:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:27:49,449 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 233 proven. 27 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-20 04:27:49,450 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710776274] [2019-11-20 04:27:49,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312602387] [2019-11-20 04:27:49,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/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 [2019-11-20 04:27:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:27:49,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:27:49,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:27:49,719 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-11-20 04:27:49,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 04:27:49,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-20 04:27:49,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913755121] [2019-11-20 04:27:49,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:27:49,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:27:49,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:27:49,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 04:27:49,723 INFO L87 Difference]: Start difference. First operand 2362 states and 2557 transitions. Second operand 3 states. [2019-11-20 04:27:50,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:27:50,374 INFO L93 Difference]: Finished difference Result 4982 states and 5390 transitions. [2019-11-20 04:27:50,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:27:50,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 263 [2019-11-20 04:27:50,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:27:50,382 INFO L225 Difference]: With dead ends: 4982 [2019-11-20 04:27:50,382 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 04:27:50,387 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 263 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 04:27:50,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 04:27:50,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 04:27:50,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 04:27:50,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 04:27:50,388 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 263 [2019-11-20 04:27:50,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:27:50,389 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:27:50,389 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:27:50,389 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:27:50,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 04:27:50,593 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 04:27:50,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 04:27:51,421 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 48 [2019-11-20 04:27:52,065 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2019-11-20 04:27:52,068 INFO L444 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-20 04:27:52,068 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-20 04:27:52,068 INFO L444 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,068 INFO L444 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,068 INFO L444 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,068 INFO L444 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,068 INFO L444 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,068 INFO L444 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,069 INFO L444 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-20 04:27:52,069 INFO L444 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-20 04:27:52,069 INFO L444 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-20 04:27:52,069 INFO L444 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-20 04:27:52,069 INFO L444 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-20 04:27:52,069 INFO L444 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-20 04:27:52,069 INFO L444 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-20 04:27:52,069 INFO L444 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-20 04:27:52,069 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-20 04:27:52,069 INFO L444 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-20 04:27:52,069 INFO L444 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,069 INFO L444 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,070 INFO L444 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,070 INFO L444 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,070 INFO L444 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,070 INFO L444 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,070 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-20 04:27:52,070 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-20 04:27:52,070 INFO L444 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-20 04:27:52,070 INFO L444 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-20 04:27:52,070 INFO L444 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-20 04:27:52,070 INFO L444 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-20 04:27:52,070 INFO L444 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-20 04:27:52,070 INFO L444 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-20 04:27:52,071 INFO L444 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-20 04:27:52,071 INFO L444 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-20 04:27:52,071 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-20 04:27:52,071 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-20 04:27:52,071 INFO L444 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-20 04:27:52,071 INFO L444 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-20 04:27:52,071 INFO L444 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-20 04:27:52,071 INFO L444 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,071 INFO L444 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,071 INFO L444 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,071 INFO L444 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,071 INFO L444 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,072 INFO L444 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-20 04:27:52,072 INFO L444 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-20 04:27:52,072 INFO L444 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-20 04:27:52,072 INFO L444 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-20 04:27:52,072 INFO L444 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-20 04:27:52,072 INFO L444 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-20 04:27:52,072 INFO L444 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-20 04:27:52,073 INFO L444 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-20 04:27:52,073 INFO L444 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-20 04:27:52,073 INFO L440 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse10 (= ~a17~0 1)) (.cse1 (not (= 14 ~a8~0))) (.cse11 (= ~a21~0 1))) (let ((.cse9 (= 5 ~a16~0)) (.cse0 (= 1 ~a7~0)) (.cse4 (and .cse10 .cse1 .cse11)) (.cse8 (= 15 ~a8~0)) (.cse7 (<= ~a20~0 0)) (.cse5 (<= ~a16~0 4)) (.cse6 (<= 14 ~a8~0)) (.cse12 (not (= ~a16~0 6))) (.cse2 (<= ~a17~0 0)) (.cse3 (= ~a20~0 1))) (or (and (and .cse0 .cse1) .cse2 .cse3) (and .cse4 .cse3) (and .cse0 .cse5) (and .cse4 .cse6 .cse7) (and .cse0 .cse8 .cse9) (and .cse3 .cse8 (not .cse10)) (and .cse0 .cse10 .cse1 .cse3 (= ~a16~0 5)) (and .cse6 .cse9 .cse7) (and .cse0 .cse9 .cse7) (and .cse10 .cse11 .cse3 .cse5) (and .cse0 (and .cse4 .cse12)) (and .cse8 .cse7) (and .cse2 .cse3 .cse5) (and .cse7 .cse5) (and .cse6 .cse12 .cse2 .cse3)))) [2019-11-20 04:27:52,074 INFO L444 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,074 INFO L444 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,074 INFO L444 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,074 INFO L444 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,074 INFO L444 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,075 INFO L444 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-20 04:27:52,075 INFO L444 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-20 04:27:52,075 INFO L444 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-20 04:27:52,075 INFO L444 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-20 04:27:52,075 INFO L444 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-20 04:27:52,075 INFO L444 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-20 04:27:52,076 INFO L444 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-20 04:27:52,076 INFO L444 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-20 04:27:52,076 INFO L444 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-20 04:27:52,076 INFO L444 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-20 04:27:52,076 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-20 04:27:52,076 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-20 04:27:52,077 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-20 04:27:52,077 INFO L447 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-11-20 04:27:52,077 INFO L444 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,077 INFO L444 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,077 INFO L444 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,078 INFO L444 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,078 INFO L444 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,078 INFO L444 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-20 04:27:52,078 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-20 04:27:52,078 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-20 04:27:52,078 INFO L444 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-20 04:27:52,079 INFO L444 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-20 04:27:52,079 INFO L444 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-20 04:27:52,079 INFO L444 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-20 04:27:52,079 INFO L444 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-20 04:27:52,079 INFO L444 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-20 04:27:52,079 INFO L444 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,080 INFO L444 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,080 INFO L444 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,080 INFO L444 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,080 INFO L444 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-20 04:27:52,080 INFO L444 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,080 INFO L444 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-20 04:27:52,081 INFO L444 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-20 04:27:52,081 INFO L444 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-20 04:27:52,081 INFO L444 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-20 04:27:52,081 INFO L444 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-20 04:27:52,081 INFO L444 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-20 04:27:52,082 INFO L444 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-20 04:27:52,082 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 04:27:52,082 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-20 04:27:52,082 INFO L444 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-20 04:27:52,082 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-20 04:27:52,082 INFO L444 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-20 04:27:52,083 INFO L444 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-20 04:27:52,083 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-20 04:27:52,083 INFO L444 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,083 INFO L440 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (= ~a17~0 1)) (.cse1 (not (= 14 ~a8~0))) (.cse11 (= ~a21~0 1))) (let ((.cse9 (= 5 ~a16~0)) (.cse0 (= 1 ~a7~0)) (.cse4 (and .cse10 .cse1 .cse11)) (.cse8 (= 15 ~a8~0)) (.cse7 (<= ~a20~0 0)) (.cse5 (<= ~a16~0 4)) (.cse6 (<= 14 ~a8~0)) (.cse12 (not (= ~a16~0 6))) (.cse2 (<= ~a17~0 0)) (.cse3 (= ~a20~0 1))) (or (and (and .cse0 .cse1) .cse2 .cse3) (and .cse4 .cse3) (and .cse0 .cse5) (and .cse4 .cse6 .cse7) (and .cse0 .cse8 .cse9) (and .cse3 .cse8 (not .cse10)) (and .cse0 .cse10 .cse1 .cse3 (= ~a16~0 5)) (and .cse6 .cse9 .cse7) (and .cse0 .cse9 .cse7) (and .cse10 .cse11 .cse3 .cse5) (and .cse0 (and .cse4 .cse12)) (and .cse8 .cse7) (and .cse2 .cse3 .cse5) (and .cse7 .cse5) (and .cse6 .cse12 .cse2 .cse3)))) [2019-11-20 04:27:52,084 INFO L444 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,084 INFO L444 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,084 INFO L444 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,084 INFO L444 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,084 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-20 04:27:52,084 INFO L444 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-20 04:27:52,085 INFO L444 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-20 04:27:52,085 INFO L444 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-20 04:27:52,085 INFO L444 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-20 04:27:52,085 INFO L444 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-20 04:27:52,085 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-20 04:27:52,086 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-20 04:27:52,086 INFO L444 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,086 INFO L444 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,086 INFO L444 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,086 INFO L444 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,086 INFO L444 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,087 INFO L444 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-20 04:27:52,087 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 04:27:52,087 INFO L444 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-20 04:27:52,087 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-20 04:27:52,087 INFO L444 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-20 04:27:52,087 INFO L444 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-20 04:27:52,088 INFO L444 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-20 04:27:52,088 INFO L444 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-20 04:27:52,088 INFO L444 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-20 04:27:52,088 INFO L444 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-20 04:27:52,088 INFO L444 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-20 04:27:52,088 INFO L444 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-20 04:27:52,089 INFO L444 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-20 04:27:52,089 INFO L444 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,089 INFO L444 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,089 INFO L444 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,089 INFO L444 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,090 INFO L444 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-20 04:27:52,090 INFO L444 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,090 INFO L444 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,090 INFO L444 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-20 04:27:52,090 INFO L444 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-20 04:27:52,090 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 04:27:52,091 INFO L444 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-20 04:27:52,091 INFO L444 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-20 04:27:52,091 INFO L444 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-20 04:27:52,091 INFO L444 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-20 04:27:52,091 INFO L444 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-20 04:27:52,091 INFO L444 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-20 04:27:52,091 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-20 04:27:52,092 INFO L444 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-20 04:27:52,092 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-20 04:27:52,092 INFO L444 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-20 04:27:52,092 INFO L444 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,092 INFO L444 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,092 INFO L444 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,092 INFO L444 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,092 INFO L444 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,092 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-20 04:27:52,092 INFO L444 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,092 INFO L444 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-20 04:27:52,092 INFO L444 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-20 04:27:52,093 INFO L444 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-20 04:27:52,093 INFO L444 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-20 04:27:52,093 INFO L444 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-20 04:27:52,093 INFO L444 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-20 04:27:52,093 INFO L444 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-20 04:27:52,093 INFO L444 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-20 04:27:52,093 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-20 04:27:52,093 INFO L444 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-20 04:27:52,093 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-20 04:27:52,093 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 04:27:52,093 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 539) no Hoare annotation was computed. [2019-11-20 04:27:52,093 INFO L444 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-20 04:27:52,094 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-20 04:27:52,094 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-20 04:27:52,094 INFO L444 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,094 INFO L444 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,094 INFO L444 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,094 INFO L444 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,094 INFO L444 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,094 INFO L444 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 04:27:52,094 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-20 04:27:52,094 INFO L444 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-20 04:27:52,094 INFO L444 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-20 04:27:52,094 INFO L444 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-20 04:27:52,094 INFO L444 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-20 04:27:52,094 INFO L444 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-20 04:27:52,095 INFO L444 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-20 04:27:52,095 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-20 04:27:52,095 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-20 04:27:52,095 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-20 04:27:52,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 04:27:52 BoogieIcfgContainer [2019-11-20 04:27:52,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 04:27:52,123 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:27:52,123 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:27:52,123 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:27:52,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:27:37" (3/4) ... [2019-11-20 04:27:52,127 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 04:27:52,153 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 04:27:52,155 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 04:27:52,320 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ae95f11a-70c5-4587-b890-3c51f65b3ae0/bin/uautomizer/witness.graphml [2019-11-20 04:27:52,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:27:52,322 INFO L168 Benchmark]: Toolchain (without parser) took 17446.22 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 423.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -195.9 MB). Peak memory consumption was 227.8 MB. Max. memory is 11.5 GB. [2019-11-20 04:27:52,322 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-20 04:27:52,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 854.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:27:52,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:27:52,324 INFO L168 Benchmark]: Boogie Preprocessor took 71.19 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 04:27:52,324 INFO L168 Benchmark]: RCFGBuilder took 1404.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:27:52,325 INFO L168 Benchmark]: TraceAbstraction took 14805.62 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 261.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.1 MB). Peak memory consumption was 108.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:27:52,325 INFO L168 Benchmark]: Witness Printer took 198.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-20 04:27:52,327 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 854.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.19 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1404.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14805.62 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 261.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.1 MB). Peak memory consumption was 108.5 MB. Max. memory is 11.5 GB. * Witness Printer took 198.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 539]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((((((((1 == a7 && !(14 == a8)) && a17 <= 0) && a20 == 1) || (((a17 == 1 && !(14 == a8)) && a21 == 1) && a20 == 1)) || (1 == a7 && a16 <= 4)) || ((((a17 == 1 && !(14 == a8)) && a21 == 1) && 14 <= a8) && a20 <= 0)) || ((1 == a7 && 15 == a8) && 5 == a16)) || ((a20 == 1 && 15 == a8) && !(a17 == 1))) || ((((1 == a7 && a17 == 1) && !(14 == a8)) && a20 == 1) && a16 == 5)) || ((14 <= a8 && 5 == a16) && a20 <= 0)) || ((1 == a7 && 5 == a16) && a20 <= 0)) || (((a17 == 1 && a21 == 1) && a20 == 1) && a16 <= 4)) || (1 == a7 && ((a17 == 1 && !(14 == a8)) && a21 == 1) && !(a16 == 6))) || (15 == a8 && a20 <= 0)) || ((a17 <= 0 && a20 == 1) && a16 <= 4)) || (a20 <= 0 && a16 <= 4)) || (((14 <= a8 && !(a16 == 6)) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((1 == a7 && !(14 == a8)) && a17 <= 0) && a20 == 1) || (((a17 == 1 && !(14 == a8)) && a21 == 1) && a20 == 1)) || (1 == a7 && a16 <= 4)) || ((((a17 == 1 && !(14 == a8)) && a21 == 1) && 14 <= a8) && a20 <= 0)) || ((1 == a7 && 15 == a8) && 5 == a16)) || ((a20 == 1 && 15 == a8) && !(a17 == 1))) || ((((1 == a7 && a17 == 1) && !(14 == a8)) && a20 == 1) && a16 == 5)) || ((14 <= a8 && 5 == a16) && a20 <= 0)) || ((1 == a7 && 5 == a16) && a20 <= 0)) || (((a17 == 1 && a21 == 1) && a20 == 1) && a16 <= 4)) || (1 == a7 && ((a17 == 1 && !(14 == a8)) && a21 == 1) && !(a16 == 6))) || (15 == a8 && a20 <= 0)) || ((a17 <= 0 && a20 == 1) && a16 <= 4)) || (a20 <= 0 && a16 <= 4)) || (((14 <= a8 && !(a16 == 6)) && a17 <= 0) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 14.6s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, HoareTripleCheckerStatistics: 823 SDtfs, 2137 SDslu, 102 SDs, 0 SdLazy, 4955 SolverSat, 923 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 540 GetRequests, 510 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2755occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 2104 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 54 NumberOfFragments, 371 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1410 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2267 NumberOfCodeBlocks, 2267 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2255 ConstructedInterpolants, 0 QuantifiedInterpolants, 907136 SizeOfPredicates, 2 NumberOfNonLiveVariables, 887 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 1627/1681 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...