./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label01_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label01_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/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 87dc2a654f666511f740e901e35bb4987a0508ac ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label01_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/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 87dc2a654f666511f740e901e35bb4987a0508ac ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 08:34:02,990 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:34:02,992 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:34:02,999 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:34:03,000 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:34:03,000 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:34:03,001 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:34:03,002 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:34:03,003 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:34:03,004 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:34:03,005 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:34:03,005 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:34:03,005 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:34:03,006 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:34:03,007 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:34:03,007 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:34:03,008 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:34:03,009 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:34:03,010 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:34:03,011 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:34:03,012 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:34:03,013 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:34:03,014 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:34:03,014 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:34:03,014 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:34:03,015 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:34:03,016 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:34:03,016 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:34:03,017 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:34:03,018 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:34:03,018 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:34:03,018 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:34:03,018 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:34:03,018 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:34:03,019 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:34:03,020 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:34:03,020 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 08:34:03,029 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:34:03,029 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:34:03,030 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:34:03,030 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 08:34:03,031 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 08:34:03,031 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 08:34:03,031 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 08:34:03,031 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:34:03,031 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:34:03,031 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:34:03,031 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:34:03,031 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:34:03,032 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:34:03,032 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:34:03,032 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:34:03,032 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:34:03,032 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:34:03,032 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:34:03,032 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:34:03,032 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 08:34:03,033 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:34:03,033 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 08:34:03,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:34:03,033 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:34:03,033 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:34:03,033 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:34:03,033 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 08:34:03,034 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:34:03,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:34:03,034 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/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 -> 87dc2a654f666511f740e901e35bb4987a0508ac [2018-11-10 08:34:03,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:34:03,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:34:03,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:34:03,069 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:34:03,069 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:34:03,070 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label01_true-unreach-call.c [2018-11-10 08:34:03,109 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/data/c84aedb1e/f232c4a2e7024019accbd14a8a2d98f6/FLAGbe6c819cd [2018-11-10 08:34:03,578 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:34:03,579 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/sv-benchmarks/c/eca-rers2012/Problem11_label01_true-unreach-call.c [2018-11-10 08:34:03,590 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/data/c84aedb1e/f232c4a2e7024019accbd14a8a2d98f6/FLAGbe6c819cd [2018-11-10 08:34:03,599 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/data/c84aedb1e/f232c4a2e7024019accbd14a8a2d98f6 [2018-11-10 08:34:03,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:34:03,602 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 08:34:03,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:34:03,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:34:03,605 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:34:03,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:34:03" (1/1) ... [2018-11-10 08:34:03,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584a4260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:03, skipping insertion in model container [2018-11-10 08:34:03,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:34:03" (1/1) ... [2018-11-10 08:34:03,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:34:03,653 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:34:03,952 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:34:03,954 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:34:04,056 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:34:04,065 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:34:04,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:04 WrapperNode [2018-11-10 08:34:04,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:34:04,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:34:04,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:34:04,066 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:34:04,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:04" (1/1) ... [2018-11-10 08:34:04,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:04" (1/1) ... [2018-11-10 08:34:04,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:04" (1/1) ... [2018-11-10 08:34:04,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:04" (1/1) ... [2018-11-10 08:34:04,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:04" (1/1) ... [2018-11-10 08:34:04,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:04" (1/1) ... [2018-11-10 08:34:04,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:04" (1/1) ... [2018-11-10 08:34:04,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:34:04,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:34:04,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:34:04,196 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:34:04,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/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 [2018-11-10 08:34:04,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 08:34:04,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:34:04,245 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 08:34:04,245 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 08:34:04,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 08:34:04,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 08:34:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 08:34:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 08:34:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 08:34:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 08:34:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:34:05,445 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:34:05,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:34:05 BoogieIcfgContainer [2018-11-10 08:34:05,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:34:05,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 08:34:05,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 08:34:05,449 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 08:34:05,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:34:03" (1/3) ... [2018-11-10 08:34:05,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431dedd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:34:05, skipping insertion in model container [2018-11-10 08:34:05,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:04" (2/3) ... [2018-11-10 08:34:05,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431dedd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:34:05, skipping insertion in model container [2018-11-10 08:34:05,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:34:05" (3/3) ... [2018-11-10 08:34:05,451 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label01_true-unreach-call.c [2018-11-10 08:34:05,457 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 08:34:05,463 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 08:34:05,472 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 08:34:05,494 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 08:34:05,494 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 08:34:05,494 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 08:34:05,494 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 08:34:05,494 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 08:34:05,495 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 08:34:05,495 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 08:34:05,495 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 08:34:05,495 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 08:34:05,513 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-10 08:34:05,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 08:34:05,519 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:34:05,520 INFO L375 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] [2018-11-10 08:34:05,521 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:34:05,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:34:05,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1647708692, now seen corresponding path program 1 times [2018-11-10 08:34:05,526 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:34:05,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:34:05,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:34:05,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:34:05,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:34:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:34:05,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:34:05,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:34:05,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 08:34:05,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 08:34:05,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 08:34:05,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 08:34:05,781 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-11-10 08:34:06,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:34:06,662 INFO L93 Difference]: Finished difference Result 782 states and 1372 transitions. [2018-11-10 08:34:06,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 08:34:06,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-11-10 08:34:06,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:34:06,674 INFO L225 Difference]: With dead ends: 782 [2018-11-10 08:34:06,674 INFO L226 Difference]: Without dead ends: 487 [2018-11-10 08:34:06,677 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 08:34:06,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-11-10 08:34:06,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 482. [2018-11-10 08:34:06,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-11-10 08:34:06,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 843 transitions. [2018-11-10 08:34:06,735 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 843 transitions. Word has length 64 [2018-11-10 08:34:06,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:34:06,735 INFO L481 AbstractCegarLoop]: Abstraction has 482 states and 843 transitions. [2018-11-10 08:34:06,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 08:34:06,736 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 843 transitions. [2018-11-10 08:34:06,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 08:34:06,740 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:34:06,741 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-10 08:34:06,741 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:34:06,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:34:06,741 INFO L82 PathProgramCache]: Analyzing trace with hash -397396585, now seen corresponding path program 1 times [2018-11-10 08:34:06,741 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:34:06,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:34:06,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:34:06,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:34:06,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:34:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:34:06,980 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:34:06,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:34:06,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 08:34:06,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 08:34:06,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 08:34:06,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-10 08:34:06,982 INFO L87 Difference]: Start difference. First operand 482 states and 843 transitions. Second operand 7 states. [2018-11-10 08:34:09,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:34:09,509 INFO L93 Difference]: Finished difference Result 1760 states and 3239 transitions. [2018-11-10 08:34:09,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 08:34:09,510 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 139 [2018-11-10 08:34:09,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:34:09,516 INFO L225 Difference]: With dead ends: 1760 [2018-11-10 08:34:09,516 INFO L226 Difference]: Without dead ends: 1284 [2018-11-10 08:34:09,519 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-11-10 08:34:09,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2018-11-10 08:34:09,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1037. [2018-11-10 08:34:09,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2018-11-10 08:34:09,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1685 transitions. [2018-11-10 08:34:09,557 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1685 transitions. Word has length 139 [2018-11-10 08:34:09,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:34:09,558 INFO L481 AbstractCegarLoop]: Abstraction has 1037 states and 1685 transitions. [2018-11-10 08:34:09,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 08:34:09,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1685 transitions. [2018-11-10 08:34:09,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-10 08:34:09,562 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:34:09,563 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:34:09,563 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:34:09,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:34:09,563 INFO L82 PathProgramCache]: Analyzing trace with hash -98582616, now seen corresponding path program 1 times [2018-11-10 08:34:09,563 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:34:09,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:34:09,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:34:09,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:34:09,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:34:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:34:09,700 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 114 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 08:34:09,700 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:34:09,700 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 08:34:09,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:34:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:34:09,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:34:09,837 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-10 08:34:09,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 08:34:09,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-10 08:34:09,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 08:34:09,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 08:34:09,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-10 08:34:09,855 INFO L87 Difference]: Start difference. First operand 1037 states and 1685 transitions. Second operand 9 states. [2018-11-10 08:34:12,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:34:12,219 INFO L93 Difference]: Finished difference Result 3416 states and 5598 transitions. [2018-11-10 08:34:12,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 08:34:12,220 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 212 [2018-11-10 08:34:12,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:34:12,231 INFO L225 Difference]: With dead ends: 3416 [2018-11-10 08:34:12,231 INFO L226 Difference]: Without dead ends: 2385 [2018-11-10 08:34:12,236 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 217 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2018-11-10 08:34:12,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2385 states. [2018-11-10 08:34:12,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2385 to 2333. [2018-11-10 08:34:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2333 states. [2018-11-10 08:34:12,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 2333 states and 3407 transitions. [2018-11-10 08:34:12,294 INFO L78 Accepts]: Start accepts. Automaton has 2333 states and 3407 transitions. Word has length 212 [2018-11-10 08:34:12,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:34:12,294 INFO L481 AbstractCegarLoop]: Abstraction has 2333 states and 3407 transitions. [2018-11-10 08:34:12,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 08:34:12,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 3407 transitions. [2018-11-10 08:34:12,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-11-10 08:34:12,300 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:34:12,300 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-10 08:34:12,301 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:34:12,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:34:12,301 INFO L82 PathProgramCache]: Analyzing trace with hash 837661454, now seen corresponding path program 1 times [2018-11-10 08:34:12,301 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:34:12,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:34:12,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:34:12,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:34:12,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:34:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:34:12,582 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-10 08:34:12,582 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:34:12,582 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 08:34:12,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:34:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:34:12,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:34:26,869 WARN L179 SmtUtils]: Spent 12.07 s on a formula simplification. DAG size of input: 118 DAG size of output: 47 [2018-11-10 08:34:26,954 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-10 08:34:26,974 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:34:26,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2018-11-10 08:34:26,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 08:34:26,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 08:34:26,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=47, Unknown=1, NotChecked=0, Total=72 [2018-11-10 08:34:26,975 INFO L87 Difference]: Start difference. First operand 2333 states and 3407 transitions. Second operand 9 states. [2018-11-10 08:35:00,130 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPrecondition(IncrementalHoareTripleChecker.java:333) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:257) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:269) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:689) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:602) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Stream closed at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) at java.io.OutputStream.write(OutputStream.java:116) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 28 more [2018-11-10 08:35:00,133 INFO L168 Benchmark]: Toolchain (without parser) took 56531.63 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 438.3 MB). Free memory was 952.2 MB in the beginning and 1.2 GB in the end (delta: -241.7 MB). Peak memory consumption was 196.6 MB. Max. memory is 11.5 GB. [2018-11-10 08:35:00,134 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:35:00,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.26 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 895.8 MB in the end (delta: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. [2018-11-10 08:35:00,135 INFO L168 Benchmark]: Boogie Preprocessor took 129.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 895.8 MB in the beginning and 1.2 GB in the end (delta: -258.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-11-10 08:35:00,136 INFO L168 Benchmark]: RCFGBuilder took 1249.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 985.9 MB in the end (delta: 168.6 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. [2018-11-10 08:35:00,136 INFO L168 Benchmark]: TraceAbstraction took 54686.15 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 261.1 MB). Free memory was 985.9 MB in the beginning and 1.2 GB in the end (delta: -208.0 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. [2018-11-10 08:35:00,139 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 463.26 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 895.8 MB in the end (delta: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 129.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 895.8 MB in the beginning and 1.2 GB in the end (delta: -258.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1249.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 985.9 MB in the end (delta: 168.6 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 54686.15 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 261.1 MB). Free memory was 985.9 MB in the beginning and 1.2 GB in the end (delta: -208.0 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 08:35:01,321 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:35:01,322 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:35:01,329 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:35:01,330 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:35:01,330 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:35:01,331 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:35:01,332 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:35:01,333 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:35:01,334 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:35:01,335 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:35:01,335 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:35:01,336 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:35:01,337 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:35:01,337 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:35:01,338 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:35:01,338 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:35:01,340 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:35:01,342 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:35:01,343 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:35:01,344 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:35:01,344 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:35:01,346 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:35:01,346 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:35:01,346 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:35:01,347 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:35:01,349 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:35:01,349 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:35:01,350 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:35:01,350 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:35:01,351 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:35:01,351 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:35:01,352 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:35:01,352 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:35:01,353 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:35:01,353 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:35:01,353 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 08:35:01,364 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:35:01,364 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:35:01,364 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:35:01,364 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 08:35:01,365 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 08:35:01,365 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 08:35:01,365 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 08:35:01,365 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:35:01,365 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:35:01,366 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:35:01,366 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:35:01,366 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:35:01,366 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:35:01,366 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:35:01,366 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 08:35:01,366 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 08:35:01,366 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:35:01,366 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:35:01,367 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:35:01,367 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:35:01,367 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 08:35:01,367 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:35:01,367 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 08:35:01,367 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:35:01,369 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:35:01,369 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:35:01,369 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:35:01,369 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 08:35:01,369 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:35:01,369 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 08:35:01,369 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 08:35:01,369 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/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 -> 87dc2a654f666511f740e901e35bb4987a0508ac [2018-11-10 08:35:01,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:35:01,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:35:01,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:35:01,408 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:35:01,409 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:35:01,409 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label01_true-unreach-call.c [2018-11-10 08:35:01,447 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/data/d15a94650/99e20a4c4c79420fb671af99948373c5/FLAG2648150b5 [2018-11-10 08:35:01,826 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:35:01,827 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/sv-benchmarks/c/eca-rers2012/Problem11_label01_true-unreach-call.c [2018-11-10 08:35:01,838 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/data/d15a94650/99e20a4c4c79420fb671af99948373c5/FLAG2648150b5 [2018-11-10 08:35:01,848 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/data/d15a94650/99e20a4c4c79420fb671af99948373c5 [2018-11-10 08:35:01,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:35:01,850 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 08:35:01,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:35:01,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:35:01,853 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:35:01,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:35:01" (1/1) ... [2018-11-10 08:35:01,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc3db40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:01, skipping insertion in model container [2018-11-10 08:35:01,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:35:01" (1/1) ... [2018-11-10 08:35:01,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:35:01,901 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:35:02,258 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:35:02,261 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:35:02,376 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:35:02,385 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:35:02,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:02 WrapperNode [2018-11-10 08:35:02,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:35:02,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:35:02,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:35:02,386 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:35:02,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:02" (1/1) ... [2018-11-10 08:35:02,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:02" (1/1) ... [2018-11-10 08:35:02,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:02" (1/1) ... [2018-11-10 08:35:02,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:02" (1/1) ... [2018-11-10 08:35:02,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:02" (1/1) ... [2018-11-10 08:35:02,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:02" (1/1) ... [2018-11-10 08:35:02,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:02" (1/1) ... [2018-11-10 08:35:02,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:35:02,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:35:02,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:35:02,461 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:35:02,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/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 [2018-11-10 08:35:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 08:35:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:35:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 08:35:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 08:35:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 08:35:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 08:35:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 08:35:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 08:35:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 08:35:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 08:35:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:35:07,149 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:35:07,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:35:07 BoogieIcfgContainer [2018-11-10 08:35:07,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:35:07,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 08:35:07,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 08:35:07,153 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 08:35:07,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:35:01" (1/3) ... [2018-11-10 08:35:07,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d73262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:35:07, skipping insertion in model container [2018-11-10 08:35:07,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:02" (2/3) ... [2018-11-10 08:35:07,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d73262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:35:07, skipping insertion in model container [2018-11-10 08:35:07,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:35:07" (3/3) ... [2018-11-10 08:35:07,156 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label01_true-unreach-call.c [2018-11-10 08:35:07,164 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 08:35:07,170 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 08:35:07,180 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 08:35:07,202 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 08:35:07,202 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 08:35:07,203 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 08:35:07,203 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 08:35:07,203 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 08:35:07,203 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 08:35:07,203 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 08:35:07,204 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 08:35:07,204 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 08:35:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-10 08:35:07,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 08:35:07,230 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:35:07,231 INFO L375 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] [2018-11-10 08:35:07,232 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:35:07,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:35:07,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1647708692, now seen corresponding path program 1 times [2018-11-10 08:35:07,239 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 08:35:07,240 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 08:35:07,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:35:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:35:07,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:35:07,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:35:07,427 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 08:35:07,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:35:07,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 08:35:07,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 08:35:07,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 08:35:07,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 08:35:07,444 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-11-10 08:35:37,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:35:37,097 INFO L93 Difference]: Finished difference Result 1174 states and 2145 transitions. [2018-11-10 08:35:37,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 08:35:37,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-11-10 08:35:37,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:35:37,114 INFO L225 Difference]: With dead ends: 1174 [2018-11-10 08:35:37,114 INFO L226 Difference]: Without dead ends: 871 [2018-11-10 08:35:37,118 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 08:35:37,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2018-11-10 08:35:37,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 862. [2018-11-10 08:35:37,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2018-11-10 08:35:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1388 transitions. [2018-11-10 08:35:37,181 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1388 transitions. Word has length 64 [2018-11-10 08:35:37,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:35:37,182 INFO L481 AbstractCegarLoop]: Abstraction has 862 states and 1388 transitions. [2018-11-10 08:35:37,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 08:35:37,182 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1388 transitions. [2018-11-10 08:35:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-10 08:35:37,188 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:35:37,189 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-10 08:35:37,189 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:35:37,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:35:37,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1598201172, now seen corresponding path program 1 times [2018-11-10 08:35:37,191 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 08:35:37,191 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 08:35:37,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:35:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:35:37,294 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:35:37,323 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:35:37,324 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 08:35:37,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:35:37,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 08:35:37,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 08:35:37,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 08:35:37,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 08:35:37,327 INFO L87 Difference]: Start difference. First operand 862 states and 1388 transitions. Second operand 5 states. [2018-11-10 08:35:44,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:35:44,407 INFO L93 Difference]: Finished difference Result 2144 states and 3514 transitions. [2018-11-10 08:35:44,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 08:35:44,408 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2018-11-10 08:35:44,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:35:44,415 INFO L225 Difference]: With dead ends: 2144 [2018-11-10 08:35:44,415 INFO L226 Difference]: Without dead ends: 1288 [2018-11-10 08:35:44,419 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-10 08:35:44,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2018-11-10 08:35:44,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1271. [2018-11-10 08:35:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2018-11-10 08:35:44,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1850 transitions. [2018-11-10 08:35:44,458 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1850 transitions. Word has length 169 [2018-11-10 08:35:44,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:35:44,459 INFO L481 AbstractCegarLoop]: Abstraction has 1271 states and 1850 transitions. [2018-11-10 08:35:44,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 08:35:44,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1850 transitions. [2018-11-10 08:35:44,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-10 08:35:44,466 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:35:44,466 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-11-10 08:35:44,466 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:35:44,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:35:44,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1105790661, now seen corresponding path program 1 times [2018-11-10 08:35:44,468 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 08:35:44,468 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 08:35:44,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:35:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:35:44,626 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:35:44,850 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 200 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:35:44,851 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 08:35:45,026 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-10 08:35:45,028 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:35:45,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 6 [2018-11-10 08:35:45,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 08:35:45,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 08:35:45,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 08:35:45,029 INFO L87 Difference]: Start difference. First operand 1271 states and 1850 transitions. Second operand 6 states. [2018-11-10 08:36:11,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:36:11,279 INFO L93 Difference]: Finished difference Result 3678 states and 5566 transitions. [2018-11-10 08:36:11,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 08:36:11,280 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 258 [2018-11-10 08:36:11,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:36:11,288 INFO L225 Difference]: With dead ends: 3678 [2018-11-10 08:36:11,288 INFO L226 Difference]: Without dead ends: 2413 [2018-11-10 08:36:11,293 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 512 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-10 08:36:11,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2018-11-10 08:36:11,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2406. [2018-11-10 08:36:11,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2406 states. [2018-11-10 08:36:11,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2406 states and 3318 transitions. [2018-11-10 08:36:11,335 INFO L78 Accepts]: Start accepts. Automaton has 2406 states and 3318 transitions. Word has length 258 [2018-11-10 08:36:11,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:36:11,336 INFO L481 AbstractCegarLoop]: Abstraction has 2406 states and 3318 transitions. [2018-11-10 08:36:11,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 08:36:11,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 3318 transitions. [2018-11-10 08:36:11,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2018-11-10 08:36:11,343 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:36:11,344 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-10 08:36:11,344 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:36:11,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:36:11,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1854477278, now seen corresponding path program 1 times [2018-11-10 08:36:11,345 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 08:36:11,345 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 08:36:11,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:36:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:36:11,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:36:11,543 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2018-11-10 08:36:11,543 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 08:36:11,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:36:11,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 08:36:11,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 08:36:11,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 08:36:11,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 08:36:11,546 INFO L87 Difference]: Start difference. First operand 2406 states and 3318 transitions. Second operand 3 states. [2018-11-10 08:36:17,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:36:17,804 INFO L93 Difference]: Finished difference Result 5765 states and 8106 transitions. [2018-11-10 08:36:17,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 08:36:17,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 401 [2018-11-10 08:36:17,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:36:17,810 INFO L225 Difference]: With dead ends: 5765 [2018-11-10 08:36:17,810 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 08:36:17,827 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 08:36:17,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 08:36:17,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 08:36:17,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 08:36:17,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 08:36:17,828 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 401 [2018-11-10 08:36:17,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:36:17,828 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 08:36:17,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 08:36:17,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 08:36:17,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 08:36:17,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 08:36:18,452 WARN L179 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 53 [2018-11-10 08:36:18,595 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 08:36:18,595 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a4~0)| ~a4~0) [2018-11-10 08:36:18,595 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:36:18,595 INFO L425 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-10 08:36:18,595 INFO L425 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-10 08:36:18,595 INFO L425 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-10 08:36:18,595 INFO L425 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,595 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,596 INFO L425 ceAbstractionStarter]: For program point L170(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,596 INFO L425 ceAbstractionStarter]: For program point L104(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,596 INFO L425 ceAbstractionStarter]: For program point L38(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,596 INFO L425 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,596 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,596 INFO L425 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-10 08:36:18,596 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-10 08:36:18,596 INFO L425 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-10 08:36:18,596 INFO L425 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,596 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,596 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,596 INFO L425 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,596 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,596 INFO L425 ceAbstractionStarter]: For program point L173(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,597 INFO L425 ceAbstractionStarter]: For program point L107(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,597 INFO L425 ceAbstractionStarter]: For program point L41(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,597 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,597 INFO L425 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-10 08:36:18,597 INFO L425 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-11-10 08:36:18,597 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-10 08:36:18,597 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,597 INFO L425 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,597 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,597 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,597 INFO L425 ceAbstractionStarter]: For program point L110(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,597 INFO L425 ceAbstractionStarter]: For program point L44(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,598 INFO L425 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,598 INFO L425 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,598 INFO L425 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,598 INFO L425 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-11-10 08:36:18,598 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-10 08:36:18,598 INFO L425 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-11-10 08:36:18,598 INFO L425 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-11-10 08:36:18,598 INFO L425 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-11-10 08:36:18,598 INFO L425 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-11-10 08:36:18,598 INFO L425 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-11-10 08:36:18,598 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,598 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L179(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L113(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L47(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L182(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L116(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L50(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-10 08:36:18,599 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,600 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,600 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,600 INFO L425 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,600 INFO L425 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,600 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-11-10 08:36:18,600 INFO L425 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-11-10 08:36:18,600 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,600 INFO L425 ceAbstractionStarter]: For program point L185(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,600 INFO L425 ceAbstractionStarter]: For program point L119(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,600 INFO L425 ceAbstractionStarter]: For program point L53(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,600 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,600 INFO L425 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,600 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-11-10 08:36:18,601 INFO L425 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-11-10 08:36:18,601 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,601 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,601 INFO L425 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-10 08:36:18,601 INFO L425 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-10 08:36:18,601 INFO L425 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-11-10 08:36:18,601 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,601 INFO L425 ceAbstractionStarter]: For program point L188(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,601 INFO L425 ceAbstractionStarter]: For program point L122(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,601 INFO L425 ceAbstractionStarter]: For program point L56(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,601 INFO L425 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,601 INFO L425 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,602 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,602 INFO L425 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-11-10 08:36:18,602 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-10 08:36:18,602 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-10 08:36:18,602 INFO L425 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-11-10 08:36:18,602 INFO L425 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-11-10 08:36:18,602 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-11-10 08:36:18,602 INFO L425 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-11-10 08:36:18,602 INFO L425 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,602 INFO L425 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,602 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-11-10 08:36:18,602 INFO L425 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-11-10 08:36:18,602 INFO L425 ceAbstractionStarter]: For program point L191(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,603 INFO L425 ceAbstractionStarter]: For program point L125(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,603 INFO L425 ceAbstractionStarter]: For program point L59(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,603 INFO L425 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,603 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse11 (= (_ bv1 32) ~a3~0)) (.cse10 (= (_ bv1 32) |old(~a4~0)|)) (.cse3 (bvsle ~a23~0 (_ bv4294967253 32))) (.cse9 (bvsle |old(~a23~0)| (_ bv4294967253 32)))) (let ((.cse4 (not .cse9)) (.cse7 (and (= (_ bv1 32) ~a4~0) .cse3)) (.cse8 (not (= (_ bv12 32) |old(~a25~0)|))) (.cse6 (not (= (bvadd |old(~a25~0)| (_ bv4294967286 32)) (_ bv0 32)))) (.cse5 (not .cse10)) (.cse0 (not .cse11)) (.cse1 (and .cse9 (bvsle |old(~a29~0)| (_ bv140 32)) .cse10 .cse11)) (.cse2 (not (= (_ bv15 32) ~a8~0)))) (and (or .cse0 .cse1 .cse2 (= |old(~a4~0)| ~a4~0)) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or .cse5 .cse6 .cse0 .cse4 .cse7 .cse2) (or .cse5 .cse0 .cse4 .cse8 .cse7 .cse2) (or .cse0 .cse8 (= (bvadd ~a25~0 (_ bv4294967284 32)) (_ bv0 32)) .cse2) (or (= (bvadd ~a25~0 (_ bv4294967286 32)) (_ bv0 32)) .cse6 .cse0 .cse2) (or .cse5 .cse0 .cse1 .cse2 (or (not (bvsle ~a29~0 (_ bv140 32))) (not .cse3)))))) [2018-11-10 08:36:18,603 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,603 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-10 08:36:18,603 INFO L425 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-10 08:36:18,603 INFO L425 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-10 08:36:18,603 INFO L425 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,604 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,604 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,604 INFO L425 ceAbstractionStarter]: For program point L194(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,604 INFO L425 ceAbstractionStarter]: For program point L128(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,604 INFO L425 ceAbstractionStarter]: For program point L62(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,604 INFO L425 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-11-10 08:36:18,604 INFO L425 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-10 08:36:18,604 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-10 08:36:18,604 INFO L425 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,604 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,604 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,604 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,605 INFO L425 ceAbstractionStarter]: For program point L197(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,605 INFO L425 ceAbstractionStarter]: For program point L131(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,605 INFO L425 ceAbstractionStarter]: For program point L65(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,605 INFO L425 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,605 INFO L425 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-10 08:36:18,605 INFO L425 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-10 08:36:18,605 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-10 08:36:18,605 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,605 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,605 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,605 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,605 INFO L425 ceAbstractionStarter]: For program point L200(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,605 INFO L425 ceAbstractionStarter]: For program point L134(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,606 INFO L425 ceAbstractionStarter]: For program point L68(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,606 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,606 INFO L425 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,606 INFO L425 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,606 INFO L425 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,606 INFO L425 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-11-10 08:36:18,606 INFO L425 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-11-10 08:36:18,606 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-10 08:36:18,606 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-10 08:36:18,606 INFO L425 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-10 08:36:18,606 INFO L425 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,606 INFO L425 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,606 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,607 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,607 INFO L425 ceAbstractionStarter]: For program point L203(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,607 INFO L425 ceAbstractionStarter]: For program point L137(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,607 INFO L425 ceAbstractionStarter]: For program point L71(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,607 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2018-11-10 08:36:18,607 INFO L425 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-11-10 08:36:18,607 INFO L425 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-11-10 08:36:18,607 INFO L425 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-10 08:36:18,607 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,607 INFO L425 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,607 INFO L425 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,608 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-11-10 08:36:18,608 INFO L425 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-11-10 08:36:18,608 INFO L425 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,608 INFO L425 ceAbstractionStarter]: For program point L140(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,608 INFO L425 ceAbstractionStarter]: For program point L74(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,608 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,608 INFO L425 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,608 INFO L425 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-10 08:36:18,608 INFO L425 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-11-10 08:36:18,608 INFO L425 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,608 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,608 INFO L425 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-11-10 08:36:18,608 INFO L425 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-11-10 08:36:18,609 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,609 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,609 INFO L425 ceAbstractionStarter]: For program point L143(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,609 INFO L425 ceAbstractionStarter]: For program point L77(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,609 INFO L425 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,609 INFO L425 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,609 INFO L425 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-11-10 08:36:18,609 INFO L425 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-11-10 08:36:18,609 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-11-10 08:36:18,609 INFO L425 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-11-10 08:36:18,609 INFO L425 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,609 INFO L425 ceAbstractionStarter]: For program point L146(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,609 INFO L425 ceAbstractionStarter]: For program point L80(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,610 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,610 INFO L425 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,610 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,610 INFO L425 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,610 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,610 INFO L425 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-11-10 08:36:18,610 INFO L425 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-10 08:36:18,610 INFO L425 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-11-10 08:36:18,610 INFO L425 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-11-10 08:36:18,610 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-11-10 08:36:18,610 INFO L425 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-11-10 08:36:18,610 INFO L425 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,610 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,611 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,611 INFO L425 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,611 INFO L425 ceAbstractionStarter]: For program point L149(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,611 INFO L425 ceAbstractionStarter]: For program point L83(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,611 INFO L425 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,611 INFO L425 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-11-10 08:36:18,611 INFO L425 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-11-10 08:36:18,611 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,611 INFO L425 ceAbstractionStarter]: For program point L152(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,611 INFO L425 ceAbstractionStarter]: For program point L86(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,611 INFO L425 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,611 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,611 INFO L425 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,612 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,612 INFO L425 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-11-10 08:36:18,612 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-10 08:36:18,612 INFO L425 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,612 INFO L425 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,612 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,612 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,612 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,612 INFO L425 ceAbstractionStarter]: For program point L155(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,612 INFO L425 ceAbstractionStarter]: For program point L89(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,612 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-11-10 08:36:18,612 INFO L425 ceAbstractionStarter]: For program point L23-1(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,612 INFO L425 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,613 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,613 INFO L425 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-10 08:36:18,613 INFO L425 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-10 08:36:18,613 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-10 08:36:18,613 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,613 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-11-10 08:36:18,613 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,613 INFO L425 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-11-10 08:36:18,613 INFO L425 ceAbstractionStarter]: For program point L158(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,613 INFO L425 ceAbstractionStarter]: For program point L92(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,613 INFO L425 ceAbstractionStarter]: For program point L26(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,613 INFO L425 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,613 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,614 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,614 INFO L425 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-10 08:36:18,614 INFO L425 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-11-10 08:36:18,614 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-10 08:36:18,614 INFO L425 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,614 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,614 INFO L425 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,614 INFO L425 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,614 INFO L425 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,614 INFO L425 ceAbstractionStarter]: For program point L161(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,614 INFO L425 ceAbstractionStarter]: For program point L95(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,614 INFO L425 ceAbstractionStarter]: For program point L29(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,614 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,614 INFO L425 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,615 INFO L425 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-10 08:36:18,615 INFO L425 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-11-10 08:36:18,615 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-10 08:36:18,615 INFO L425 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,615 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-11-10 08:36:18,615 INFO L425 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-11-10 08:36:18,615 INFO L425 ceAbstractionStarter]: For program point L164(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,615 INFO L425 ceAbstractionStarter]: For program point L98(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,615 INFO L425 ceAbstractionStarter]: For program point L32(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,615 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,615 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,615 INFO L425 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,615 INFO L425 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-10 08:36:18,616 INFO L425 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-10 08:36:18,616 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-10 08:36:18,616 INFO L425 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,616 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,616 INFO L425 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,616 INFO L425 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,616 INFO L425 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-11-10 08:36:18,616 INFO L425 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-11-10 08:36:18,616 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,616 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,616 INFO L425 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-11-10 08:36:18,616 INFO L425 ceAbstractionStarter]: For program point L167(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,616 INFO L425 ceAbstractionStarter]: For program point L101(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,617 INFO L425 ceAbstractionStarter]: For program point L35(lines 22 1026) no Hoare annotation was computed. [2018-11-10 08:36:18,617 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:36:18,617 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= (_ bv15 32) ~a8~0) (= (bvadd ~a25~0 (_ bv4294967286 32)) (_ bv0 32)) (= (_ bv1 32) ~a4~0) (or (not (bvsle ~a29~0 (_ bv140 32))) (not (bvsle ~a23~0 (_ bv4294967253 32)))) (= (_ bv1 32) ~a3~0)) [2018-11-10 08:36:18,617 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 08:36:18,617 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 08:36:18,617 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= (_ bv1 32) |old(~a4~0)|)) (not (= (bvadd |old(~a25~0)| (_ bv4294967286 32)) (_ bv0 32))) (not (= (_ bv1 32) ~a3~0)) (and (bvsle |old(~a23~0)| (_ bv4294967253 32)) (bvsle |old(~a29~0)| (_ bv140 32))) (and (= (bvadd ~a25~0 (_ bv4294967286 32)) (_ bv0 32)) (= (_ bv1 32) ~a4~0) (or (not (bvsle ~a29~0 (_ bv140 32))) (not (bvsle ~a23~0 (_ bv4294967253 32))))) (not (= (_ bv15 32) ~a8~0))) [2018-11-10 08:36:18,617 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-11-10 08:36:18,617 INFO L421 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (or (not (= (_ bv1 32) |old(~a4~0)|)) (not (= (bvadd |old(~a25~0)| (_ bv4294967286 32)) (_ bv0 32))) (not (= (_ bv1 32) ~a3~0)) (= (bvadd ~a25~0 (_ bv4294967284 32)) (_ bv0 32)) (or (not (= (_ bv1 32) ~a4~0)) (not (bvsle ~a29~0 (_ bv140 32))) (not (bvsle ~a23~0 (_ bv4294967253 32)))) (and (bvsle |old(~a23~0)| (_ bv4294967253 32)) (bvsle |old(~a29~0)| (_ bv140 32))) (not (= (_ bv15 32) ~a8~0)) (= (bvadd ~a25~0 (_ bv4294967286 32)) (_ bv0 32))) [2018-11-10 08:36:18,617 INFO L425 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-11-10 08:36:18,618 INFO L425 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-11-10 08:36:18,618 INFO L425 ceAbstractionStarter]: For program point L1034-1(lines 1034 1043) no Hoare annotation was computed. [2018-11-10 08:36:18,618 INFO L421 ceAbstractionStarter]: At program point L1034-3(lines 1034 1043) the Hoare annotation is: (or (not (= (_ bv1 32) |old(~a4~0)|)) (not (= (bvadd |old(~a25~0)| (_ bv4294967286 32)) (_ bv0 32))) (not (= (_ bv1 32) ~a3~0)) (= (bvadd ~a25~0 (_ bv4294967284 32)) (_ bv0 32)) (or (not (= (_ bv1 32) ~a4~0)) (not (bvsle ~a29~0 (_ bv140 32))) (not (bvsle ~a23~0 (_ bv4294967253 32)))) (and (bvsle |old(~a23~0)| (_ bv4294967253 32)) (bvsle |old(~a29~0)| (_ bv140 32))) (not (= (_ bv15 32) ~a8~0)) (= (bvadd ~a25~0 (_ bv4294967286 32)) (_ bv0 32))) [2018-11-10 08:36:18,618 INFO L425 ceAbstractionStarter]: For program point L1034-4(lines 1028 1044) no Hoare annotation was computed. [2018-11-10 08:36:18,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 08:36:18 BoogieIcfgContainer [2018-11-10 08:36:18,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 08:36:18,630 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:36:18,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:36:18,630 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:36:18,631 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:35:07" (3/4) ... [2018-11-10 08:36:18,634 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 08:36:18,640 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 08:36:18,641 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-10 08:36:18,641 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 08:36:18,650 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 08:36:18,651 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 08:36:18,669 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1bv32 == \old(a4)) || !(~bvadd64(\old(a25), 4294967286bv32) == 0bv32)) || !(1bv32 == a3)) || ~bvadd64(a25, 4294967284bv32) == 0bv32) || (!(1bv32 == a4) || !~bvsle32(a29, 140bv32)) || !~bvsle32(a23, 4294967253bv32)) || (~bvsle32(\old(a23), 4294967253bv32) && ~bvsle32(\old(a29), 140bv32))) || !(15bv32 == a8)) || ~bvadd64(a25, 4294967286bv32) == 0bv32 [2018-11-10 08:36:18,765 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1ac4ce28-5528-49e9-b1b7-9c90ce48ccc9/bin-2019/uautomizer/witness.graphml [2018-11-10 08:36:18,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:36:18,766 INFO L168 Benchmark]: Toolchain (without parser) took 76916.24 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 335.0 MB). Free memory was 941.2 MB in the beginning and 889.0 MB in the end (delta: 52.2 MB). Peak memory consumption was 387.2 MB. Max. memory is 11.5 GB. [2018-11-10 08:36:18,767 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:36:18,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.16 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 MB in the beginning and 860.6 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. [2018-11-10 08:36:18,767 INFO L168 Benchmark]: Boogie Preprocessor took 74.01 ms. Allocated memory is still 1.0 GB. Free memory was 860.6 MB in the beginning and 855.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 08:36:18,768 INFO L168 Benchmark]: RCFGBuilder took 4689.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 855.3 MB in the beginning and 983.1 MB in the end (delta: -127.8 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:36:18,768 INFO L168 Benchmark]: TraceAbstraction took 71479.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 983.1 MB in the beginning and 919.6 MB in the end (delta: 63.5 MB). Peak memory consumption was 249.1 MB. Max. memory is 11.5 GB. [2018-11-10 08:36:18,769 INFO L168 Benchmark]: Witness Printer took 135.38 ms. Allocated memory is still 1.4 GB. Free memory was 919.6 MB in the beginning and 889.0 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-11-10 08:36:18,770 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 535.16 ms. Allocated memory is still 1.0 GB. Free memory was 941.2 MB in the beginning and 860.6 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.01 ms. Allocated memory is still 1.0 GB. Free memory was 860.6 MB in the beginning and 855.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4689.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 855.3 MB in the beginning and 983.1 MB in the end (delta: -127.8 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 71479.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 983.1 MB in the beginning and 919.6 MB in the end (delta: 63.5 MB). Peak memory consumption was 249.1 MB. Max. memory is 11.5 GB. * Witness Printer took 135.38 ms. Allocated memory is still 1.4 GB. Free memory was 919.6 MB in the beginning and 889.0 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: 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: 1034]: Loop Invariant Derived loop invariant: ((((((!(1bv32 == \old(a4)) || !(~bvadd64(\old(a25), 4294967286bv32) == 0bv32)) || !(1bv32 == a3)) || ~bvadd64(a25, 4294967284bv32) == 0bv32) || (!(1bv32 == a4) || !~bvsle32(a29, 140bv32)) || !~bvsle32(a23, 4294967253bv32)) || (~bvsle32(\old(a23), 4294967253bv32) && ~bvsle32(\old(a29), 140bv32))) || !(15bv32 == a8)) || ~bvadd64(a25, 4294967286bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. SAFE Result, 71.4s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 69.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 785 SDtfs, 3185 SDslu, 485 SDs, 0 SdLazy, 4437 SolverSat, 1857 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1154 GetRequests, 1135 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2406occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 33 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 50 PreInvPairs, 88 NumberOfFragments, 360 HoareAnnotationTreeSize, 50 FomulaSimplifications, 2296 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1094 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 892 NumberOfCodeBlocks, 892 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 1145 ConstructedInterpolants, 0 QuantifiedInterpolants, 943009 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1239 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 910/915 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...