./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/egcd2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95396db54d6803df90b045d200d759c42b2c22fc .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:17:50,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:17:50,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:17:50,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:17:50,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:17:50,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:17:50,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:17:50,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:17:50,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:17:50,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:17:50,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:17:50,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:17:50,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:17:50,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:17:50,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:17:50,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:17:50,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:17:50,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:17:50,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:17:50,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:17:50,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:17:50,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:17:50,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:17:50,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:17:50,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:17:50,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:17:50,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:17:50,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:17:50,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:17:50,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:17:50,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:17:50,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:17:50,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:17:50,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:17:50,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:17:50,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:17:50,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:17:50,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:17:50,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:17:50,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:17:50,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:17:50,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 05:17:50,069 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:17:50,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:17:50,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:17:50,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:17:50,070 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:17:50,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:17:50,071 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:17:50,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:17:50,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:17:50,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:17:50,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:17:50,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:17:50,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:17:50,073 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:17:50,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:17:50,073 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:17:50,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:17:50,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:17:50,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:17:50,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:17:50,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:17:50,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:17:50,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:17:50,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:17:50,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:17:50,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:17:50,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:17:50,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:17:50,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95396db54d6803df90b045d200d759c42b2c22fc [2019-11-20 05:17:50,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:17:50,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:17:50,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:17:50,231 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:17:50,231 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:17:50,232 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/../../sv-benchmarks/c/nla-digbench/egcd2.c [2019-11-20 05:17:50,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/data/9eaf54aff/76fd5e52fa104705bd13a17717ae8cf8/FLAGa75776336 [2019-11-20 05:17:50,712 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:17:50,715 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/sv-benchmarks/c/nla-digbench/egcd2.c [2019-11-20 05:17:50,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/data/9eaf54aff/76fd5e52fa104705bd13a17717ae8cf8/FLAGa75776336 [2019-11-20 05:17:50,739 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/data/9eaf54aff/76fd5e52fa104705bd13a17717ae8cf8 [2019-11-20 05:17:50,742 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:17:50,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:17:50,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:17:50,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:17:50,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:17:50,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:17:50" (1/1) ... [2019-11-20 05:17:50,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1c9fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:50, skipping insertion in model container [2019-11-20 05:17:50,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:17:50" (1/1) ... [2019-11-20 05:17:50,769 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:17:50,791 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:17:50,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:17:50,938 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:17:51,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:17:51,030 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:17:51,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:51 WrapperNode [2019-11-20 05:17:51,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:17:51,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:17:51,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:17:51,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:17:51,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:51" (1/1) ... [2019-11-20 05:17:51,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:51" (1/1) ... [2019-11-20 05:17:51,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:17:51,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:17:51,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:17:51,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:17:51,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:51" (1/1) ... [2019-11-20 05:17:51,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:51" (1/1) ... [2019-11-20 05:17:51,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:51" (1/1) ... [2019-11-20 05:17:51,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:51" (1/1) ... [2019-11-20 05:17:51,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:51" (1/1) ... [2019-11-20 05:17:51,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:51" (1/1) ... [2019-11-20 05:17:51,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:51" (1/1) ... [2019-11-20 05:17:51,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:17:51,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:17:51,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:17:51,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:17:51,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:17:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:17:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:17:51,488 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:17:51,488 INFO L285 CfgBuilder]: Removed 18 assume(true) statements. [2019-11-20 05:17:51,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:17:51 BoogieIcfgContainer [2019-11-20 05:17:51,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:17:51,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:17:51,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:17:51,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:17:51,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:17:50" (1/3) ... [2019-11-20 05:17:51,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddf7157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:17:51, skipping insertion in model container [2019-11-20 05:17:51,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:17:51" (2/3) ... [2019-11-20 05:17:51,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddf7157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:17:51, skipping insertion in model container [2019-11-20 05:17:51,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:17:51" (3/3) ... [2019-11-20 05:17:51,500 INFO L109 eAbstractionObserver]: Analyzing ICFG egcd2.c [2019-11-20 05:17:51,511 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:17:51,516 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-20 05:17:51,523 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-20 05:17:51,542 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:17:51,542 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:17:51,542 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:17:51,542 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:17:51,543 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:17:51,543 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:17:51,543 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:17:51,543 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:17:51,556 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-20 05:17:51,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 05:17:51,561 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:51,561 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 05:17:51,562 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:51,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:51,567 INFO L82 PathProgramCache]: Analyzing trace with hash 29870538, now seen corresponding path program 1 times [2019-11-20 05:17:51,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:51,576 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131515381] [2019-11-20 05:17:51,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:17:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:51,667 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131515381] [2019-11-20 05:17:51,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:17:51,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:17:51,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205160442] [2019-11-20 05:17:51,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 05:17:51,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:51,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 05:17:51,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:17:51,683 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-20 05:17:51,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:51,699 INFO L93 Difference]: Finished difference Result 65 states and 87 transitions. [2019-11-20 05:17:51,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 05:17:51,700 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2019-11-20 05:17:51,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:51,707 INFO L225 Difference]: With dead ends: 65 [2019-11-20 05:17:51,707 INFO L226 Difference]: Without dead ends: 29 [2019-11-20 05:17:51,709 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:17:51,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-20 05:17:51,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-20 05:17:51,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 05:17:51,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2019-11-20 05:17:51,735 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 5 [2019-11-20 05:17:51,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:51,736 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2019-11-20 05:17:51,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 05:17:51,736 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-11-20 05:17:51,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 05:17:51,736 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:51,736 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-20 05:17:51,737 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:51,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:51,737 INFO L82 PathProgramCache]: Analyzing trace with hash 925834863, now seen corresponding path program 1 times [2019-11-20 05:17:51,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:51,738 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959507719] [2019-11-20 05:17:51,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:51,747 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:17:51,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1869391143] [2019-11-20 05:17:51,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:17:51,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 05:17:51,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:17:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:51,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959507719] [2019-11-20 05:17:51,818 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:17:51,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869391143] [2019-11-20 05:17:51,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:17:51,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:17:51,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195369185] [2019-11-20 05:17:51,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:17:51,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:51,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:17:51,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:17:51,820 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 3 states. [2019-11-20 05:17:51,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:51,874 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2019-11-20 05:17:51,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:17:51,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-20 05:17:51,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:51,876 INFO L225 Difference]: With dead ends: 57 [2019-11-20 05:17:51,876 INFO L226 Difference]: Without dead ends: 49 [2019-11-20 05:17:51,877 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:17:51,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-20 05:17:51,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 31. [2019-11-20 05:17:51,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-20 05:17:51,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2019-11-20 05:17:51,883 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 6 [2019-11-20 05:17:51,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:51,884 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2019-11-20 05:17:51,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:17:51,884 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-11-20 05:17:51,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 05:17:51,884 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:51,884 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-20 05:17:52,087 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:52,088 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:52,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:52,088 INFO L82 PathProgramCache]: Analyzing trace with hash 925838837, now seen corresponding path program 1 times [2019-11-20 05:17:52,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:52,089 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945193734] [2019-11-20 05:17:52,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:52,100 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:17:52,100 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545008586] [2019-11-20 05:17:52,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:17:52,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 05:17:52,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:17:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:52,177 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945193734] [2019-11-20 05:17:52,177 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:17:52,177 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545008586] [2019-11-20 05:17:52,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:17:52,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:17:52,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281594707] [2019-11-20 05:17:52,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:17:52,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:52,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:17:52,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:17:52,179 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 4 states. [2019-11-20 05:17:52,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:52,367 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2019-11-20 05:17:52,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:17:52,368 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-20 05:17:52,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:52,369 INFO L225 Difference]: With dead ends: 49 [2019-11-20 05:17:52,369 INFO L226 Difference]: Without dead ends: 47 [2019-11-20 05:17:52,369 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:17:52,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-20 05:17:52,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 33. [2019-11-20 05:17:52,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-20 05:17:52,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2019-11-20 05:17:52,375 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 6 [2019-11-20 05:17:52,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:52,376 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2019-11-20 05:17:52,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:17:52,376 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2019-11-20 05:17:52,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 05:17:52,380 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:52,380 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:17:52,580 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:52,581 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:52,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:52,581 INFO L82 PathProgramCache]: Analyzing trace with hash 673048024, now seen corresponding path program 1 times [2019-11-20 05:17:52,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:52,582 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142448121] [2019-11-20 05:17:52,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:52,589 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:17:52,589 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2125276039] [2019-11-20 05:17:52,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:17:52,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 05:17:52,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:17:52,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:52,661 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142448121] [2019-11-20 05:17:52,661 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:17:52,661 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125276039] [2019-11-20 05:17:52,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:17:52,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:17:52,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112025529] [2019-11-20 05:17:52,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:17:52,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:52,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:17:52,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:17:52,663 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 4 states. [2019-11-20 05:17:52,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:52,761 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2019-11-20 05:17:52,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:17:52,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-20 05:17:52,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:52,763 INFO L225 Difference]: With dead ends: 53 [2019-11-20 05:17:52,764 INFO L226 Difference]: Without dead ends: 51 [2019-11-20 05:17:52,764 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:17:52,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-20 05:17:52,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44. [2019-11-20 05:17:52,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-20 05:17:52,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2019-11-20 05:17:52,783 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 8 [2019-11-20 05:17:52,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:52,783 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2019-11-20 05:17:52,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:17:52,783 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2019-11-20 05:17:52,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 05:17:52,784 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:52,784 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:17:52,989 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:52,989 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:52,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:52,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1740754341, now seen corresponding path program 1 times [2019-11-20 05:17:52,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:52,990 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140477338] [2019-11-20 05:17:52,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:52,997 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:17:52,997 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1614314913] [2019-11-20 05:17:52,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:17:53,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 05:17:53,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:17:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:53,073 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140477338] [2019-11-20 05:17:53,073 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:17:53,074 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614314913] [2019-11-20 05:17:53,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:17:53,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:17:53,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117000350] [2019-11-20 05:17:53,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:17:53,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:53,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:17:53,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:17:53,075 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 4 states. [2019-11-20 05:17:53,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:53,162 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2019-11-20 05:17:53,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:17:53,162 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-20 05:17:53,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:53,163 INFO L225 Difference]: With dead ends: 55 [2019-11-20 05:17:53,163 INFO L226 Difference]: Without dead ends: 51 [2019-11-20 05:17:53,164 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:17:53,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-20 05:17:53,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44. [2019-11-20 05:17:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-20 05:17:53,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2019-11-20 05:17:53,171 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 10 [2019-11-20 05:17:53,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:53,171 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2019-11-20 05:17:53,172 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:17:53,172 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2019-11-20 05:17:53,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 05:17:53,172 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:53,172 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:17:53,375 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:53,376 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:53,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:53,376 INFO L82 PathProgramCache]: Analyzing trace with hash -494183817, now seen corresponding path program 1 times [2019-11-20 05:17:53,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:53,377 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409034818] [2019-11-20 05:17:53,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:53,386 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:17:53,387 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1081494452] [2019-11-20 05:17:53,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:17:53,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-20 05:17:53,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:17:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:53,458 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409034818] [2019-11-20 05:17:53,458 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:17:53,459 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081494452] [2019-11-20 05:17:53,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:17:53,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-11-20 05:17:53,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939573353] [2019-11-20 05:17:53,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:17:53,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:53,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:17:53,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:17:53,460 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 5 states. [2019-11-20 05:17:53,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:53,589 INFO L93 Difference]: Finished difference Result 92 states and 100 transitions. [2019-11-20 05:17:53,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:17:53,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-20 05:17:53,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:53,591 INFO L225 Difference]: With dead ends: 92 [2019-11-20 05:17:53,591 INFO L226 Difference]: Without dead ends: 90 [2019-11-20 05:17:53,592 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:17:53,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-20 05:17:53,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 62. [2019-11-20 05:17:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-20 05:17:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2019-11-20 05:17:53,601 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 15 [2019-11-20 05:17:53,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:53,602 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2019-11-20 05:17:53,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:17:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2019-11-20 05:17:53,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 05:17:53,602 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:53,603 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:17:53,803 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:53,803 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:53,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:53,804 INFO L82 PathProgramCache]: Analyzing trace with hash 615409956, now seen corresponding path program 1 times [2019-11-20 05:17:53,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:53,804 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491894330] [2019-11-20 05:17:53,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:53,811 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:17:53,811 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [89895271] [2019-11-20 05:17:53,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:17:53,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:17:53,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:17:53,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:53,900 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491894330] [2019-11-20 05:17:53,900 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:17:53,900 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89895271] [2019-11-20 05:17:53,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:17:53,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-11-20 05:17:53,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779218149] [2019-11-20 05:17:53,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:17:53,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:53,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:17:53,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:17:53,901 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand 5 states. [2019-11-20 05:17:53,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:53,996 INFO L93 Difference]: Finished difference Result 153 states and 165 transitions. [2019-11-20 05:17:53,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:17:53,997 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-11-20 05:17:53,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:53,998 INFO L225 Difference]: With dead ends: 153 [2019-11-20 05:17:53,998 INFO L226 Difference]: Without dead ends: 145 [2019-11-20 05:17:53,999 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:17:54,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-11-20 05:17:54,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 97. [2019-11-20 05:17:54,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-20 05:17:54,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 119 transitions. [2019-11-20 05:17:54,014 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 119 transitions. Word has length 18 [2019-11-20 05:17:54,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:54,014 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 119 transitions. [2019-11-20 05:17:54,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:17:54,014 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2019-11-20 05:17:54,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 05:17:54,015 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:54,015 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:17:54,218 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:54,219 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:54,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:54,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1292544179, now seen corresponding path program 1 times [2019-11-20 05:17:54,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:54,220 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355849762] [2019-11-20 05:17:54,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:54,230 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:17:54,233 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2126466032] [2019-11-20 05:17:54,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:17:54,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-20 05:17:54,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:17:54,317 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:54,317 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355849762] [2019-11-20 05:17:54,318 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:17:54,318 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126466032] [2019-11-20 05:17:54,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:17:54,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-11-20 05:17:54,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878819845] [2019-11-20 05:17:54,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:17:54,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:54,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:17:54,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:17:54,320 INFO L87 Difference]: Start difference. First operand 97 states and 119 transitions. Second operand 5 states. [2019-11-20 05:17:55,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:55,001 INFO L93 Difference]: Finished difference Result 164 states and 199 transitions. [2019-11-20 05:17:55,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:17:55,002 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-11-20 05:17:55,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:55,005 INFO L225 Difference]: With dead ends: 164 [2019-11-20 05:17:55,005 INFO L226 Difference]: Without dead ends: 158 [2019-11-20 05:17:55,005 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:17:55,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-11-20 05:17:55,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 145. [2019-11-20 05:17:55,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-11-20 05:17:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 182 transitions. [2019-11-20 05:17:55,024 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 182 transitions. Word has length 20 [2019-11-20 05:17:55,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:55,024 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 182 transitions. [2019-11-20 05:17:55,025 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:17:55,025 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 182 transitions. [2019-11-20 05:17:55,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 05:17:55,026 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:55,026 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:17:55,229 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:55,230 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:55,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:55,230 INFO L82 PathProgramCache]: Analyzing trace with hash -889251184, now seen corresponding path program 1 times [2019-11-20 05:17:55,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:55,230 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38131618] [2019-11-20 05:17:55,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:55,235 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:17:55,236 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887843684] [2019-11-20 05:17:55,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:17:55,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 27 conjunts are in the unsatisfiable core [2019-11-20 05:17:55,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:17:55,350 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:55,350 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38131618] [2019-11-20 05:17:55,350 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:17:55,351 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887843684] [2019-11-20 05:17:55,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:17:55,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-11-20 05:17:55,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278980251] [2019-11-20 05:17:55,352 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 05:17:55,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:55,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 05:17:55,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 05:17:55,353 INFO L87 Difference]: Start difference. First operand 145 states and 182 transitions. Second operand 6 states. [2019-11-20 05:17:56,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:56,143 INFO L93 Difference]: Finished difference Result 162 states and 196 transitions. [2019-11-20 05:17:56,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 05:17:56,143 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-20 05:17:56,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:56,144 INFO L225 Difference]: With dead ends: 162 [2019-11-20 05:17:56,144 INFO L226 Difference]: Without dead ends: 158 [2019-11-20 05:17:56,145 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-11-20 05:17:56,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-11-20 05:17:56,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 145. [2019-11-20 05:17:56,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-11-20 05:17:56,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 178 transitions. [2019-11-20 05:17:56,161 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 178 transitions. Word has length 22 [2019-11-20 05:17:56,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:56,161 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 178 transitions. [2019-11-20 05:17:56,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 05:17:56,161 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 178 transitions. [2019-11-20 05:17:56,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 05:17:56,162 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:56,162 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-20 05:17:56,366 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:56,369 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:56,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:56,369 INFO L82 PathProgramCache]: Analyzing trace with hash -345235403, now seen corresponding path program 2 times [2019-11-20 05:17:56,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:56,370 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25579846] [2019-11-20 05:17:56,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:56,376 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:17:56,376 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1322433268] [2019-11-20 05:17:56,376 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:56,413 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 05:17:56,414 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 05:17:56,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-20 05:17:56,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:17:56,464 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:56,464 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25579846] [2019-11-20 05:17:56,464 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:17:56,465 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322433268] [2019-11-20 05:17:56,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:17:56,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-11-20 05:17:56,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830196491] [2019-11-20 05:17:56,465 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 05:17:56,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:56,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 05:17:56,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 05:17:56,466 INFO L87 Difference]: Start difference. First operand 145 states and 178 transitions. Second operand 6 states. [2019-11-20 05:17:56,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:56,711 INFO L93 Difference]: Finished difference Result 252 states and 306 transitions. [2019-11-20 05:17:56,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 05:17:56,712 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-20 05:17:56,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:56,714 INFO L225 Difference]: With dead ends: 252 [2019-11-20 05:17:56,714 INFO L226 Difference]: Without dead ends: 250 [2019-11-20 05:17:56,714 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-20 05:17:56,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-11-20 05:17:56,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 190. [2019-11-20 05:17:56,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-11-20 05:17:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 236 transitions. [2019-11-20 05:17:56,739 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 236 transitions. Word has length 24 [2019-11-20 05:17:56,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:56,740 INFO L462 AbstractCegarLoop]: Abstraction has 190 states and 236 transitions. [2019-11-20 05:17:56,740 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 05:17:56,740 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 236 transitions. [2019-11-20 05:17:56,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 05:17:56,746 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:56,746 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:17:56,953 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:56,953 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:56,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:56,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1236394662, now seen corresponding path program 1 times [2019-11-20 05:17:56,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:56,954 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311488593] [2019-11-20 05:17:56,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:56,960 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:17:56,960 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887463611] [2019-11-20 05:17:56,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:17:56,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 37 conjunts are in the unsatisfiable core [2019-11-20 05:17:56,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:17:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:57,122 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311488593] [2019-11-20 05:17:57,123 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:17:57,123 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887463611] [2019-11-20 05:17:57,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:17:57,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-11-20 05:17:57,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888399165] [2019-11-20 05:17:57,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 05:17:57,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:57,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 05:17:57,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:17:57,125 INFO L87 Difference]: Start difference. First operand 190 states and 236 transitions. Second operand 8 states. [2019-11-20 05:17:57,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:57,493 INFO L93 Difference]: Finished difference Result 243 states and 296 transitions. [2019-11-20 05:17:57,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-20 05:17:57,494 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2019-11-20 05:17:57,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:57,496 INFO L225 Difference]: With dead ends: 243 [2019-11-20 05:17:57,496 INFO L226 Difference]: Without dead ends: 235 [2019-11-20 05:17:57,496 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2019-11-20 05:17:57,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2019-11-20 05:17:57,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 222. [2019-11-20 05:17:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2019-11-20 05:17:57,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 272 transitions. [2019-11-20 05:17:57,513 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 272 transitions. Word has length 27 [2019-11-20 05:17:57,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:57,513 INFO L462 AbstractCegarLoop]: Abstraction has 222 states and 272 transitions. [2019-11-20 05:17:57,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 05:17:57,513 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 272 transitions. [2019-11-20 05:17:57,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 05:17:57,514 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:57,514 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2019-11-20 05:17:57,718 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:57,721 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:57,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:57,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1962065598, now seen corresponding path program 2 times [2019-11-20 05:17:57,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:57,722 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904485757] [2019-11-20 05:17:57,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:57,728 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:17:57,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [155314248] [2019-11-20 05:17:57,729 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:57,767 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 05:17:57,767 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 05:17:57,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:17:57,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:17:57,799 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:57,800 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904485757] [2019-11-20 05:17:57,800 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:17:57,800 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155314248] [2019-11-20 05:17:57,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:17:57,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 05:17:57,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178639807] [2019-11-20 05:17:57,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:17:57,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:57,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:17:57,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:17:57,801 INFO L87 Difference]: Start difference. First operand 222 states and 272 transitions. Second operand 5 states. [2019-11-20 05:17:57,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:57,887 INFO L93 Difference]: Finished difference Result 290 states and 350 transitions. [2019-11-20 05:17:57,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:17:57,888 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-20 05:17:57,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:57,889 INFO L225 Difference]: With dead ends: 290 [2019-11-20 05:17:57,889 INFO L226 Difference]: Without dead ends: 198 [2019-11-20 05:17:57,892 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:17:57,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-11-20 05:17:57,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 146. [2019-11-20 05:17:57,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-20 05:17:57,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2019-11-20 05:17:57,904 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 32 [2019-11-20 05:17:57,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:57,905 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2019-11-20 05:17:57,905 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:17:57,905 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2019-11-20 05:17:57,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 05:17:57,908 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:57,908 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2019-11-20 05:17:58,111 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:58,112 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:58,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:58,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1323634633, now seen corresponding path program 3 times [2019-11-20 05:17:58,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:58,112 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389060327] [2019-11-20 05:17:58,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:58,118 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:17:58,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1765871875] [2019-11-20 05:17:58,118 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:58,166 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-20 05:17:58,166 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 05:17:58,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 32 conjunts are in the unsatisfiable core [2019-11-20 05:17:58,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:17:58,201 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:17:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 05:17:58,230 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389060327] [2019-11-20 05:17:58,230 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:17:58,230 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765871875] [2019-11-20 05:17:58,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:17:58,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-11-20 05:17:58,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887436541] [2019-11-20 05:17:58,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 05:17:58,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:58,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 05:17:58,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 05:17:58,232 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 6 states. [2019-11-20 05:17:58,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:17:58,331 INFO L93 Difference]: Finished difference Result 148 states and 172 transitions. [2019-11-20 05:17:58,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:17:58,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-20 05:17:58,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:17:58,333 INFO L225 Difference]: With dead ends: 148 [2019-11-20 05:17:58,333 INFO L226 Difference]: Without dead ends: 146 [2019-11-20 05:17:58,334 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:17:58,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-20 05:17:58,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2019-11-20 05:17:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-20 05:17:58,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2019-11-20 05:17:58,349 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 33 [2019-11-20 05:17:58,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:17:58,350 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2019-11-20 05:17:58,350 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 05:17:58,350 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2019-11-20 05:17:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 05:17:58,351 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:17:58,351 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:17:58,554 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:58,554 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:17:58,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:17:58,555 INFO L82 PathProgramCache]: Analyzing trace with hash -606995612, now seen corresponding path program 2 times [2019-11-20 05:17:58,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:17:58,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311113619] [2019-11-20 05:17:58,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:17:58,577 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:17:58,577 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1503172942] [2019-11-20 05:17:58,578 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:17:58,634 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 05:17:58,634 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 05:17:58,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 41 conjunts are in the unsatisfiable core [2019-11-20 05:17:58,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:17:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:17:58,775 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311113619] [2019-11-20 05:17:58,775 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:17:58,775 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503172942] [2019-11-20 05:17:58,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:17:58,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-11-20 05:17:58,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053762821] [2019-11-20 05:17:58,777 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 05:17:58,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:17:58,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 05:17:58,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-20 05:17:58,778 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 9 states. [2019-11-20 05:18:00,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:18:00,103 INFO L93 Difference]: Finished difference Result 201 states and 233 transitions. [2019-11-20 05:18:00,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-20 05:18:00,103 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2019-11-20 05:18:00,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:18:00,105 INFO L225 Difference]: With dead ends: 201 [2019-11-20 05:18:00,105 INFO L226 Difference]: Without dead ends: 193 [2019-11-20 05:18:00,106 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2019-11-20 05:18:00,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2019-11-20 05:18:00,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 153. [2019-11-20 05:18:00,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-11-20 05:18:00,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2019-11-20 05:18:00,120 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 36 [2019-11-20 05:18:00,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:18:00,120 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2019-11-20 05:18:00,121 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 05:18:00,121 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2019-11-20 05:18:00,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 05:18:00,122 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:18:00,122 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2019-11-20 05:18:00,325 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:18:00,326 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:18:00,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:18:00,326 INFO L82 PathProgramCache]: Analyzing trace with hash -703476975, now seen corresponding path program 3 times [2019-11-20 05:18:00,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:18:00,326 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049611155] [2019-11-20 05:18:00,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:18:00,343 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:18:00,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [57112230] [2019-11-20 05:18:00,343 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:18:00,407 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-11-20 05:18:00,408 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 05:18:00,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 38 conjunts are in the unsatisfiable core [2019-11-20 05:18:00,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:18:00,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:18:00,481 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:18:00,500 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:18:00,571 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:18:00,680 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:18:00,701 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 05:18:00,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049611155] [2019-11-20 05:18:00,702 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:18:00,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57112230] [2019-11-20 05:18:00,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:18:00,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-20 05:18:00,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969067366] [2019-11-20 05:18:00,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-20 05:18:00,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:18:00,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-20 05:18:00,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-11-20 05:18:00,704 INFO L87 Difference]: Start difference. First operand 153 states and 178 transitions. Second operand 12 states. [2019-11-20 05:18:09,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:18:09,420 INFO L93 Difference]: Finished difference Result 155 states and 179 transitions. [2019-11-20 05:18:09,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 05:18:09,437 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 39 [2019-11-20 05:18:09,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:18:09,438 INFO L225 Difference]: With dead ends: 155 [2019-11-20 05:18:09,438 INFO L226 Difference]: Without dead ends: 143 [2019-11-20 05:18:09,439 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=83, Invalid=258, Unknown=1, NotChecked=0, Total=342 [2019-11-20 05:18:09,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-20 05:18:09,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 48. [2019-11-20 05:18:09,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-20 05:18:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2019-11-20 05:18:09,451 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 39 [2019-11-20 05:18:09,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:18:09,452 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2019-11-20 05:18:09,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-20 05:18:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2019-11-20 05:18:09,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 05:18:09,453 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:18:09,453 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:18:09,656 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:18:09,657 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:18:09,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:18:09,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1731349772, now seen corresponding path program 1 times [2019-11-20 05:18:09,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:18:09,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055967819] [2019-11-20 05:18:09,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:18:09,669 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:18:09,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [686557104] [2019-11-20 05:18:09,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:18:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:18:09,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 05:18:09,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:18:09,751 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:18:09,751 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055967819] [2019-11-20 05:18:09,751 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:18:09,751 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686557104] [2019-11-20 05:18:09,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:18:09,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-11-20 05:18:09,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909808721] [2019-11-20 05:18:09,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 05:18:09,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:18:09,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 05:18:09,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:18:09,753 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand 7 states. [2019-11-20 05:18:10,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:18:10,014 INFO L93 Difference]: Finished difference Result 96 states and 101 transitions. [2019-11-20 05:18:10,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-20 05:18:10,014 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2019-11-20 05:18:10,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:18:10,015 INFO L225 Difference]: With dead ends: 96 [2019-11-20 05:18:10,015 INFO L226 Difference]: Without dead ends: 90 [2019-11-20 05:18:10,016 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2019-11-20 05:18:10,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-11-20 05:18:10,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 60. [2019-11-20 05:18:10,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-20 05:18:10,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2019-11-20 05:18:10,025 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 41 [2019-11-20 05:18:10,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:18:10,026 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2019-11-20 05:18:10,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 05:18:10,026 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2019-11-20 05:18:10,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 05:18:10,027 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:18:10,027 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2019-11-20 05:18:10,238 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:18:10,238 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:18:10,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:18:10,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1727532550, now seen corresponding path program 1 times [2019-11-20 05:18:10,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:18:10,238 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995021553] [2019-11-20 05:18:10,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:18:10,243 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:18:10,243 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1332730782] [2019-11-20 05:18:10,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:18:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:18:10,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 33 conjunts are in the unsatisfiable core [2019-11-20 05:18:10,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:18:10,372 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 05:18:10,373 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995021553] [2019-11-20 05:18:10,373 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:18:10,373 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332730782] [2019-11-20 05:18:10,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:18:10,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-11-20 05:18:10,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368924904] [2019-11-20 05:18:10,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 05:18:10,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:18:10,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 05:18:10,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:18:10,378 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 7 states. [2019-11-20 05:18:10,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:18:10,632 INFO L93 Difference]: Finished difference Result 142 states and 150 transitions. [2019-11-20 05:18:10,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 05:18:10,633 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2019-11-20 05:18:10,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:18:10,634 INFO L225 Difference]: With dead ends: 142 [2019-11-20 05:18:10,634 INFO L226 Difference]: Without dead ends: 134 [2019-11-20 05:18:10,634 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-11-20 05:18:10,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-20 05:18:10,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 81. [2019-11-20 05:18:10,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-11-20 05:18:10,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2019-11-20 05:18:10,648 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 41 [2019-11-20 05:18:10,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:18:10,649 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2019-11-20 05:18:10,649 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 05:18:10,649 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2019-11-20 05:18:10,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 05:18:10,649 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:18:10,650 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1] [2019-11-20 05:18:10,857 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:18:10,858 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:18:10,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:18:10,858 INFO L82 PathProgramCache]: Analyzing trace with hash 905373240, now seen corresponding path program 2 times [2019-11-20 05:18:10,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:18:10,859 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087703495] [2019-11-20 05:18:10,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:18:10,865 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:18:10,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [400667782] [2019-11-20 05:18:10,865 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:18:10,933 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-20 05:18:10,933 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 05:18:10,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 41 conjunts are in the unsatisfiable core [2019-11-20 05:18:10,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:18:11,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:18:11,036 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 05:18:11,036 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087703495] [2019-11-20 05:18:11,037 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:18:11,037 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400667782] [2019-11-20 05:18:11,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:18:11,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-11-20 05:18:11,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705344456] [2019-11-20 05:18:11,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 05:18:11,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:18:11,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 05:18:11,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:18:11,039 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand 8 states. [2019-11-20 05:18:11,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:18:11,399 INFO L93 Difference]: Finished difference Result 176 states and 186 transitions. [2019-11-20 05:18:11,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-20 05:18:11,400 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2019-11-20 05:18:11,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:18:11,401 INFO L225 Difference]: With dead ends: 176 [2019-11-20 05:18:11,401 INFO L226 Difference]: Without dead ends: 168 [2019-11-20 05:18:11,401 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2019-11-20 05:18:11,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-20 05:18:11,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 90. [2019-11-20 05:18:11,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-20 05:18:11,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 95 transitions. [2019-11-20 05:18:11,419 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 95 transitions. Word has length 50 [2019-11-20 05:18:11,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:18:11,419 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 95 transitions. [2019-11-20 05:18:11,419 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 05:18:11,420 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 95 transitions. [2019-11-20 05:18:11,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 05:18:11,420 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:18:11,420 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1] [2019-11-20 05:18:11,629 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:18:11,629 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:18:11,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:18:11,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1852037050, now seen corresponding path program 3 times [2019-11-20 05:18:11,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:18:11,630 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549407619] [2019-11-20 05:18:11,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:18:11,635 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 05:18:11,635 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [423722204] [2019-11-20 05:18:11,635 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:18:11,680 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-11-20 05:18:11,681 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 05:18:11,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-20 05:18:11,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:18:11,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 05:18:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 36 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-20 05:18:11,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549407619] [2019-11-20 05:18:11,742 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 05:18:11,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423722204] [2019-11-20 05:18:11,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:18:11,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-11-20 05:18:11,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074289200] [2019-11-20 05:18:11,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 05:18:11,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:18:11,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 05:18:11,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:18:11,745 INFO L87 Difference]: Start difference. First operand 90 states and 95 transitions. Second operand 7 states. [2019-11-20 05:18:11,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:18:11,913 INFO L93 Difference]: Finished difference Result 90 states and 95 transitions. [2019-11-20 05:18:11,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 05:18:11,914 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2019-11-20 05:18:11,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:18:11,914 INFO L225 Difference]: With dead ends: 90 [2019-11-20 05:18:11,914 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 05:18:11,915 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-20 05:18:11,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 05:18:11,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 05:18:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 05:18:11,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:18:11,915 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-11-20 05:18:11,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:18:11,916 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:18:11,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 05:18:11,916 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:18:11,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:18:12,116 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:18:12,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 05:18:12,353 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 103 [2019-11-20 05:18:12,535 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 118 [2019-11-20 05:18:12,704 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 99 [2019-11-20 05:18:12,866 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 103 [2019-11-20 05:18:12,989 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 114 [2019-11-20 05:18:13,184 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2019-11-20 05:18:15,302 WARN L191 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 99 DAG size of output: 54 [2019-11-20 05:18:18,530 WARN L191 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 112 DAG size of output: 61 [2019-11-20 05:18:21,306 WARN L191 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2019-11-20 05:18:21,519 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2019-11-20 05:18:22,256 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 54 [2019-11-20 05:18:22,705 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 53 [2019-11-20 05:18:22,707 INFO L440 ceAbstractionStarter]: At program point L6-5(lines 5 11) the Hoare annotation is: (let ((.cse3 (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~q~0) (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~s~0)))) (let ((.cse1 (= (+ (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0) (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~p~0)) (+ (* ULTIMATE.start_main_~k~0 .cse3) ULTIMATE.start_main_~c~0))) (.cse0 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (<= 1 ULTIMATE.start_main_~y~0))) (or (and .cse0 (and (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~p~0 1) (= ULTIMATE.start_main_~q~0 0) .cse1 (<= 1 ULTIMATE.start_main_~a~0) (= ULTIMATE.start_main_~r~0 0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0) (exists ((v_ULTIMATE.start_main_~s~0_15 Int) (ULTIMATE.start_main_~p~0 Int) (ULTIMATE.start_main_~k~0 Int)) (= (+ (* ULTIMATE.start_main_~k~0 (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~p~0) (* ULTIMATE.start_main_~y~0 v_ULTIMATE.start_main_~s~0_15))) ULTIMATE.start_main_~b~0) (+ (* ULTIMATE.start_main_~x~0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~q~0)) (* ULTIMATE.start_main_~y~0 (+ (* v_ULTIMATE.start_main_~s~0_15 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~s~0)))))) .cse2) (and (and (= ULTIMATE.start_main_~a~0 (+ (* ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~b~0) ULTIMATE.start_main_~c~0)) .cse1 (<= (+ ULTIMATE.start_main_~b~0 1) ULTIMATE.start_main_~a~0)) .cse0 (= .cse3 ULTIMATE.start_main_~b~0) .cse2)))) [2019-11-20 05:18:22,707 INFO L440 ceAbstractionStarter]: At program point L35-2(lines 35 44) the Hoare annotation is: (let ((.cse2 (= (+ (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0) (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~p~0)) (+ (* ULTIMATE.start_main_~k~0 (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~q~0) (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~s~0))) ULTIMATE.start_main_~c~0))) (.cse0 (exists ((v_ULTIMATE.start_main_~s~0_15 Int) (ULTIMATE.start_main_~p~0 Int) (ULTIMATE.start_main_~k~0 Int)) (= (+ (* ULTIMATE.start_main_~k~0 (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~p~0) (* ULTIMATE.start_main_~y~0 v_ULTIMATE.start_main_~s~0_15))) ULTIMATE.start_main_~b~0) (+ (* ULTIMATE.start_main_~x~0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~q~0)) (* ULTIMATE.start_main_~y~0 (+ (* v_ULTIMATE.start_main_~s~0_15 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~s~0)))))) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond))) (or (and (or (and (= ULTIMATE.start_main_~s~0 1) (= ULTIMATE.start_main_~k~0 0) (<= 1 ULTIMATE.start_main_~c~0) .cse0 (= ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~a~0)) (and (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse1 .cse2 (<= 1 ULTIMATE.start_main_~a~0) .cse0)) (= ULTIMATE.start_main_~p~0 1) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~r~0 0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0) (<= 1 ULTIMATE.start_main_~b~0)) (and (and (= ULTIMATE.start_main_~a~0 (+ (* ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~b~0) ULTIMATE.start_main_~c~0)) .cse2 .cse0 (<= (+ ULTIMATE.start_main_~b~0 1) ULTIMATE.start_main_~a~0)) .cse1 (<= 1 ULTIMATE.start_main_~y~0)))) [2019-11-20 05:18:22,707 INFO L444 ceAbstractionStarter]: For program point L6-6(lines 6 9) no Hoare annotation was computed. [2019-11-20 05:18:22,707 INFO L444 ceAbstractionStarter]: For program point L35-3(lines 35 44) no Hoare annotation was computed. [2019-11-20 05:18:22,707 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-11-20 05:18:22,707 INFO L440 ceAbstractionStarter]: At program point L6-8(lines 5 11) the Hoare annotation is: (let ((.cse3 (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~q~0) (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~s~0)))) (let ((.cse0 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (= (+ (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0) (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~p~0)) (+ (* ULTIMATE.start_main_~k~0 .cse3) ULTIMATE.start_main_~c~0))) (.cse1 (<= 1 ULTIMATE.start_main_~y~0))) (or (and (= ULTIMATE.start_main_~a~0 (+ (* ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~b~0) ULTIMATE.start_main_~c~0)) .cse0 .cse1 .cse2 (<= (+ ULTIMATE.start_main_~b~0 1) ULTIMATE.start_main_~a~0) (exists ((v_ULTIMATE.start_main_~s~0_15 Int) (ULTIMATE.start_main_~p~0 Int) (ULTIMATE.start_main_~k~0 Int)) (= (+ (* ULTIMATE.start_main_~k~0 (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~p~0) (* ULTIMATE.start_main_~y~0 v_ULTIMATE.start_main_~s~0_15))) ULTIMATE.start_main_~b~0) (+ (* ULTIMATE.start_main_~x~0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~q~0)) (* ULTIMATE.start_main_~y~0 (+ (* v_ULTIMATE.start_main_~s~0_15 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~s~0)))))) (and (and (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~p~0 1) .cse0 (= ULTIMATE.start_main_~q~0 0) .cse2 (<= 1 ULTIMATE.start_main_~a~0) (= ULTIMATE.start_main_~r~0 0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0)) (= .cse3 ULTIMATE.start_main_~b~0) .cse1)))) [2019-11-20 05:18:22,707 INFO L444 ceAbstractionStarter]: For program point L6-9(lines 6 9) no Hoare annotation was computed. [2019-11-20 05:18:22,707 INFO L440 ceAbstractionStarter]: At program point L6-11(lines 40 41) the Hoare annotation is: (let ((.cse3 (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~q~0) (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~s~0)))) (let ((.cse0 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (= (+ (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0) (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~p~0)) (+ (* ULTIMATE.start_main_~k~0 .cse3) ULTIMATE.start_main_~c~0))) (.cse1 (<= 1 ULTIMATE.start_main_~y~0))) (or (and (= ULTIMATE.start_main_~a~0 (+ (* ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~b~0) ULTIMATE.start_main_~c~0)) .cse0 .cse1 .cse2 (<= (+ ULTIMATE.start_main_~b~0 1) ULTIMATE.start_main_~a~0) (exists ((v_ULTIMATE.start_main_~s~0_15 Int) (ULTIMATE.start_main_~p~0 Int) (ULTIMATE.start_main_~k~0 Int)) (= (+ (* ULTIMATE.start_main_~k~0 (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~p~0) (* ULTIMATE.start_main_~y~0 v_ULTIMATE.start_main_~s~0_15))) ULTIMATE.start_main_~b~0) (+ (* ULTIMATE.start_main_~x~0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~q~0)) (* ULTIMATE.start_main_~y~0 (+ (* v_ULTIMATE.start_main_~s~0_15 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~s~0)))))) (and (and (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~p~0 1) .cse0 (= ULTIMATE.start_main_~q~0 0) .cse2 (<= 1 ULTIMATE.start_main_~a~0) (= ULTIMATE.start_main_~r~0 0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0)) (= .cse3 ULTIMATE.start_main_~b~0) .cse1)))) [2019-11-20 05:18:22,708 INFO L444 ceAbstractionStarter]: For program point L6-12(lines 6 9) no Hoare annotation was computed. [2019-11-20 05:18:22,708 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-11-20 05:18:22,708 INFO L440 ceAbstractionStarter]: At program point L6-14(lines 5 11) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0))) (or (and (= ULTIMATE.start_main_~a~0 (+ (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0) (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~p~0))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (exists ((v_ULTIMATE.start_main_~s~0_15 Int) (ULTIMATE.start_main_~p~0 Int) (ULTIMATE.start_main_~k~0 Int)) (= (* ULTIMATE.start_main_~k~0 (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~p~0) (* ULTIMATE.start_main_~y~0 v_ULTIMATE.start_main_~s~0_15))) (+ (* ULTIMATE.start_main_~x~0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~q~0)) (* ULTIMATE.start_main_~y~0 (+ (* v_ULTIMATE.start_main_~s~0_15 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~s~0))))) .cse0 (<= (+ ULTIMATE.start_main_~b~0 1) ULTIMATE.start_main_~a~0) (exists ((v_ULTIMATE.start_main_~s~0_15 Int) (ULTIMATE.start_main_~p~0 Int) (ULTIMATE.start_main_~k~0 Int)) (= (+ (* ULTIMATE.start_main_~k~0 (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~p~0) (* ULTIMATE.start_main_~y~0 v_ULTIMATE.start_main_~s~0_15))) ULTIMATE.start_main_~b~0) (+ (* ULTIMATE.start_main_~x~0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~q~0)) (* ULTIMATE.start_main_~y~0 (+ (* v_ULTIMATE.start_main_~s~0_15 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~s~0)))))) (and (= ULTIMATE.start_main_~p~0 0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~r~0 1) .cse0))) [2019-11-20 05:18:22,708 INFO L444 ceAbstractionStarter]: For program point L6-15(lines 6 9) no Hoare annotation was computed. [2019-11-20 05:18:22,708 INFO L447 ceAbstractionStarter]: At program point L6-17(lines 5 11) the Hoare annotation is: true [2019-11-20 05:18:22,708 INFO L444 ceAbstractionStarter]: For program point L7(lines 7 8) no Hoare annotation was computed. [2019-11-20 05:18:22,708 INFO L444 ceAbstractionStarter]: For program point L7-1(lines 7 8) no Hoare annotation was computed. [2019-11-20 05:18:22,708 INFO L444 ceAbstractionStarter]: For program point L7-2(lines 7 8) no Hoare annotation was computed. [2019-11-20 05:18:22,708 INFO L444 ceAbstractionStarter]: For program point L7-3(lines 7 8) no Hoare annotation was computed. [2019-11-20 05:18:22,708 INFO L444 ceAbstractionStarter]: For program point L7-4(lines 7 8) no Hoare annotation was computed. [2019-11-20 05:18:22,708 INFO L444 ceAbstractionStarter]: For program point L7-5(lines 7 8) no Hoare annotation was computed. [2019-11-20 05:18:22,708 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-11-20 05:18:22,708 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 05:18:22,709 INFO L447 ceAbstractionStarter]: At program point L61(lines 13 62) the Hoare annotation is: true [2019-11-20 05:18:22,709 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 05:18:22,709 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-11-20 05:18:22,709 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 05:18:22,709 INFO L440 ceAbstractionStarter]: At program point L29-2(lines 29 56) the Hoare annotation is: (let ((.cse1 (<= 1 ULTIMATE.start_main_~y~0)) (.cse0 (exists ((v_ULTIMATE.start_main_~s~0_15 Int) (ULTIMATE.start_main_~p~0 Int) (ULTIMATE.start_main_~k~0 Int)) (= (+ (* ULTIMATE.start_main_~k~0 (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~p~0) (* ULTIMATE.start_main_~y~0 v_ULTIMATE.start_main_~s~0_15))) ULTIMATE.start_main_~b~0) (+ (* ULTIMATE.start_main_~x~0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~q~0)) (* ULTIMATE.start_main_~y~0 (+ (* v_ULTIMATE.start_main_~s~0_15 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~s~0))))))) (or (and (< ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~b~0) (= ULTIMATE.start_main_~p~0 1) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~r~0 0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0) .cse0 (= ULTIMATE.start_main_~s~0 1) .cse1 (<= 1 ULTIMATE.start_main_~a~0)) (and (= ULTIMATE.start_main_~a~0 (+ (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0) (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~p~0))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse1 (<= (+ ULTIMATE.start_main_~b~0 1) ULTIMATE.start_main_~a~0) .cse0))) [2019-11-20 05:18:22,709 INFO L444 ceAbstractionStarter]: For program point L29-3(lines 29 56) no Hoare annotation was computed. [2019-11-20 05:18:22,709 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-11-20 05:18:22,709 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-11-20 05:18:22,709 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-11-20 05:18:22,709 INFO L444 ceAbstractionStarter]: For program point L6(lines 6 9) no Hoare annotation was computed. [2019-11-20 05:18:22,709 INFO L440 ceAbstractionStarter]: At program point L6-2(lines 5 11) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~a~0 (+ (* ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~b~0) ULTIMATE.start_main_~c~0))) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (= (+ (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~r~0) (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~p~0)) (+ (* ULTIMATE.start_main_~k~0 (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~q~0) (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~s~0))) ULTIMATE.start_main_~c~0))) (.cse3 (exists ((v_ULTIMATE.start_main_~s~0_15 Int) (ULTIMATE.start_main_~p~0 Int) (ULTIMATE.start_main_~k~0 Int)) (= (+ (* ULTIMATE.start_main_~k~0 (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~p~0) (* ULTIMATE.start_main_~y~0 v_ULTIMATE.start_main_~s~0_15))) ULTIMATE.start_main_~b~0) (+ (* ULTIMATE.start_main_~x~0 (+ (* ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~q~0)) (* ULTIMATE.start_main_~y~0 (+ (* v_ULTIMATE.start_main_~s~0_15 ULTIMATE.start_main_~k~0) ULTIMATE.start_main_~s~0))))))) (or (and (= ULTIMATE.start_main_~p~0 1) (= ULTIMATE.start_main_~r~0 0) (and .cse0 (= ULTIMATE.start_main_~s~0 1) (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) .cse1 .cse2 (<= 1 ULTIMATE.start_main_~a~0) .cse3) (<= 1 ULTIMATE.start_main_~b~0)) (and .cse0 .cse1 (<= 1 ULTIMATE.start_main_~y~0) .cse2 .cse3 (<= (+ ULTIMATE.start_main_~b~0 1) ULTIMATE.start_main_~a~0)))) [2019-11-20 05:18:22,710 INFO L444 ceAbstractionStarter]: For program point L6-3(lines 6 9) no Hoare annotation was computed. [2019-11-20 05:18:22,717 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,717 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,738 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,738 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,738 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,738 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,739 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,740 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,741 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,749 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,749 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,749 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,750 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,750 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,750 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,751 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,757 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,760 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,760 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,760 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,760 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,775 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,775 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,775 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,775 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,775 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,779 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,779 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,779 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,779 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:18:22 BoogieIcfgContainer [2019-11-20 05:18:22,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:18:22,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:18:22,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:18:22,792 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:18:22,792 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:17:51" (3/4) ... [2019-11-20 05:18:22,796 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:18:22,808 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-20 05:18:22,808 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 05:18:22,838 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((c < b && p == 1) && q == 0) && r == 0) && a == x) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) && s == 1) && 1 <= y) && 1 <= a) || ((((a == y * r + x * p && 1 == cond) && 1 <= y) && b + 1 <= a) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) [2019-11-20 05:18:22,838 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((a == y * r + x * p && 1 == cond) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) && 1 <= y) && b + 1 <= a) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) || (((p == 0 && a == y) && r == 1) && 1 <= y) [2019-11-20 05:18:22,838 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((s == 1 && k == 0) && 1 <= c) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) && c == a) || ((((b == y && 1 == cond) && y * r + x * p == k * (x * q + y * s) + c) && 1 <= a) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s)))) && p == 1) && q == 0) && r == 0) && a == x) && 1 <= b) || (((((a == k * b + c && y * r + x * p == k * (x * q + y * s) + c) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) && b + 1 <= a) && 1 == cond) && 1 <= y) [2019-11-20 05:18:22,839 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((p == 1 && r == 0) && (((((a == k * b + c && s == 1) && b == y) && 1 == cond) && y * r + x * p == k * (x * q + y * s) + c) && 1 <= a) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) && 1 <= b) || (((((a == k * b + c && 1 == cond) && 1 <= y) && y * r + x * p == k * (x * q + y * s) + c) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) && b + 1 <= a) [2019-11-20 05:18:22,840 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == cond && ((((((b == y && p == 1) && q == 0) && y * r + x * p == k * (x * q + y * s) + c) && 1 <= a) && r == 0) && a == x) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) && 1 <= y) || (((((a == k * b + c && y * r + x * p == k * (x * q + y * s) + c) && b + 1 <= a) && 1 == cond) && x * q + y * s == b) && 1 <= y) [2019-11-20 05:18:22,841 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((a == k * b + c && 1 == cond) && 1 <= y) && y * r + x * p == k * (x * q + y * s) + c) && b + 1 <= a) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) || (((((((((b == y && p == 1) && 1 == cond) && q == 0) && y * r + x * p == k * (x * q + y * s) + c) && 1 <= a) && r == 0) && a == x) && x * q + y * s == b) && 1 <= y) [2019-11-20 05:18:22,841 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((a == k * b + c && 1 == cond) && 1 <= y) && y * r + x * p == k * (x * q + y * s) + c) && b + 1 <= a) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) || (((((((((b == y && p == 1) && 1 == cond) && q == 0) && y * r + x * p == k * (x * q + y * s) + c) && 1 <= a) && r == 0) && a == x) && x * q + y * s == b) && 1 <= y) [2019-11-20 05:18:22,874 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0b742de4-de42-4417-8a49-e46199fdadeb/bin/uautomizer/witness.graphml [2019-11-20 05:18:22,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:18:22,876 INFO L168 Benchmark]: Toolchain (without parser) took 32132.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -148.4 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:18:22,876 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:18:22,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -198.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:18:22,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:18:22,877 INFO L168 Benchmark]: Boogie Preprocessor took 19.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:18:22,878 INFO L168 Benchmark]: RCFGBuilder took 407.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:18:22,878 INFO L168 Benchmark]: TraceAbstraction took 31300.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.1 MB). Peak memory consumption was 303.5 MB. Max. memory is 11.5 GB. [2019-11-20 05:18:22,878 INFO L168 Benchmark]: Witness Printer took 83.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:18:22,880 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -198.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 407.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31300.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.1 MB). Peak memory consumption was 303.5 MB. Max. memory is 11.5 GB. * Witness Printer took 83.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant [2019-11-20 05:18:22,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,910 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,910 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] Derived loop invariant: (((((a == k * b + c && 1 == cond) && 1 <= y) && y * r + x * p == k * (x * q + y * s) + c) && b + 1 <= a) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) || (((((((((b == y && p == 1) && 1 == cond) && q == 0) && y * r + x * p == k * (x * q + y * s) + c) && 1 <= a) && r == 0) && a == x) && x * q + y * s == b) && 1 <= y) - InvariantResult [Line: 29]: Loop Invariant [2019-11-20 05:18:22,911 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,911 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,911 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,911 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,911 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,914 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,914 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,914 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,914 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,914 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] Derived loop invariant: ((((((((c < b && p == 1) && q == 0) && r == 0) && a == x) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) && s == 1) && 1 <= y) && 1 <= a) || ((((a == y * r + x * p && 1 == cond) && 1 <= y) && b + 1 <= a) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) - InvariantResult [Line: 5]: Loop Invariant [2019-11-20 05:18:22,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,919 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,920 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,920 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,920 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,920 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] Derived loop invariant: ((1 == cond && ((((((b == y && p == 1) && q == 0) && y * r + x * p == k * (x * q + y * s) + c) && 1 <= a) && r == 0) && a == x) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) && 1 <= y) || (((((a == k * b + c && y * r + x * p == k * (x * q + y * s) + c) && b + 1 <= a) && 1 == cond) && x * q + y * s == b) && 1 <= y) - InvariantResult [Line: 35]: Loop Invariant [2019-11-20 05:18:22,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] Derived loop invariant: ((((((((((s == 1 && k == 0) && 1 <= c) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) && c == a) || ((((b == y && 1 == cond) && y * r + x * p == k * (x * q + y * s) + c) && 1 <= a) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s)))) && p == 1) && q == 0) && r == 0) && a == x) && 1 <= b) || (((((a == k * b + c && y * r + x * p == k * (x * q + y * s) + c) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) && b + 1 <= a) && 1 == cond) && 1 <= y) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant [2019-11-20 05:18:22,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] Derived loop invariant: (((((a == y * r + x * p && 1 == cond) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) && 1 <= y) && b + 1 <= a) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) || (((p == 0 && a == y) && r == 1) && 1 <= y) - InvariantResult [Line: 5]: Loop Invariant [2019-11-20 05:18:22,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] Derived loop invariant: (((((a == k * b + c && 1 == cond) && 1 <= y) && y * r + x * p == k * (x * q + y * s) + c) && b + 1 <= a) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) || (((((((((b == y && p == 1) && 1 == cond) && q == 0) && y * r + x * p == k * (x * q + y * s) + c) && 1 <= a) && r == 0) && a == x) && x * q + y * s == b) && 1 <= y) - InvariantResult [Line: 5]: Loop Invariant [2019-11-20 05:18:22,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0,QUANTIFIED] [2019-11-20 05:18:22,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] [2019-11-20 05:18:22,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~s~0_15,QUANTIFIED] [2019-11-20 05:18:22,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~k~0,QUANTIFIED] Derived loop invariant: (((p == 1 && r == 0) && (((((a == k * b + c && s == 1) && b == y) && 1 == cond) && y * r + x * p == k * (x * q + y * s) + c) && 1 <= a) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) && 1 <= b) || (((((a == k * b + c && 1 == cond) && 1 <= y) && y * r + x * p == k * (x * q + y * s) + c) && (\exists v_ULTIMATE.start_main_~s~0_15 : int, ULTIMATE.start_main_~p~0 : int, ULTIMATE.start_main_~k~0 : int :: ULTIMATE.start_main_~k~0 * (x * ULTIMATE.start_main_~p~0 + y * v_ULTIMATE.start_main_~s~0_15) + b == x * (ULTIMATE.start_main_~p~0 * ULTIMATE.start_main_~k~0 + q) + y * (v_ULTIMATE.start_main_~s~0_15 * ULTIMATE.start_main_~k~0 + s))) && b + 1 <= a) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 6 error locations. Result: SAFE, OverallTime: 31.1s, OverallIterations: 19, TraceHistogramMax: 6, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, HoareTripleCheckerStatistics: 450 SDtfs, 713 SDslu, 1056 SDs, 0 SdLazy, 1806 SolverSat, 247 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 542 GetRequests, 402 SyntacticMatches, 1 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 571 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 57 NumberOfFragments, 885 HoareAnnotationTreeSize, 9 FomulaSimplifications, 187039 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 11278 FormulaSimplificationTreeSizeReductionInter, 9.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 492 NumberOfCodeBlocks, 423 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 473 ConstructedInterpolants, 4 QuantifiedInterpolants, 176375 SizeOfPredicates, 155 NumberOfNonLiveVariables, 1690 ConjunctsInSsa, 381 ConjunctsInUnsatCore, 19 InterpolantComputations, 7 PerfectInterpolantSequences, 240/436 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...