./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/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 7c969b2b0da4d126f61f6a2cc248b9cb3e53506e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:32:01,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:32:01,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:32:01,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:32:01,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:32:01,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:32:01,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:32:01,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:32:01,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:32:01,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:32:01,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:32:01,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:32:01,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:32:01,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:32:01,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:32:01,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:32:01,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:32:01,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:32:01,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:32:01,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:32:01,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:32:01,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:32:01,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:32:01,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:32:01,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:32:01,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:32:01,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:32:01,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:32:01,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:32:01,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:32:01,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:32:01,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:32:01,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:32:01,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:32:01,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:32:01,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:32:01,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:32:01,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:32:01,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:32:01,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:32:01,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:32:01,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:32:01,217 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:32:01,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:32:01,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:32:01,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:32:01,218 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:32:01,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:32:01,219 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:32:01,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:32:01,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:32:01,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:32:01,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:32:01,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:32:01,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:32:01,220 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:32:01,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:32:01,220 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:32:01,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:32:01,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:32:01,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:32:01,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:32:01,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:32:01,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:32:01,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:32:01,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:32:01,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:32:01,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:32:01,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:32:01,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:32:01,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:32:01,222 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_4d623de6-7e40-4791-b9f1-9d7efec46a3b/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 -> 7c969b2b0da4d126f61f6a2cc248b9cb3e53506e [2019-12-07 18:32:01,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:32:01,327 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:32:01,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:32:01,331 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:32:01,331 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:32:01,332 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c [2019-12-07 18:32:01,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/bin/uautomizer/data/3e3df4707/c6610a0f59af420ab33a92cb2e87b963/FLAG99c52d8ff [2019-12-07 18:32:01,767 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:32:01,767 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/sv-benchmarks/c/eca-rers2012/Problem16_label32.c [2019-12-07 18:32:01,778 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/bin/uautomizer/data/3e3df4707/c6610a0f59af420ab33a92cb2e87b963/FLAG99c52d8ff [2019-12-07 18:32:01,787 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/bin/uautomizer/data/3e3df4707/c6610a0f59af420ab33a92cb2e87b963 [2019-12-07 18:32:01,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:32:01,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:32:01,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:32:01,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:32:01,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:32:01,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:32:01" (1/1) ... [2019-12-07 18:32:01,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ad0b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:32:01, skipping insertion in model container [2019-12-07 18:32:01,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:32:01" (1/1) ... [2019-12-07 18:32:01,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:32:01,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:32:02,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:32:02,225 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:32:02,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:32:02,373 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:32:02,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:32:02 WrapperNode [2019-12-07 18:32:02,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:32:02,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:32:02,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:32:02,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:32:02,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:32:02" (1/1) ... [2019-12-07 18:32:02,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:32:02" (1/1) ... [2019-12-07 18:32:02,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:32:02,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:32:02,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:32:02,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:32:02,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:32:02" (1/1) ... [2019-12-07 18:32:02,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:32:02" (1/1) ... [2019-12-07 18:32:02,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:32:02" (1/1) ... [2019-12-07 18:32:02,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:32:02" (1/1) ... [2019-12-07 18:32:02,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:32:02" (1/1) ... [2019-12-07 18:32:02,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:32:02" (1/1) ... [2019-12-07 18:32:02,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:32:02" (1/1) ... [2019-12-07 18:32:02,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:32:02,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:32:02,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:32:02,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:32:02,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:32:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:32:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:32:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:32:04,076 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:32:04,077 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-07 18:32:04,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:32:04 BoogieIcfgContainer [2019-12-07 18:32:04,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:32:04,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:32:04,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:32:04,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:32:04,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:32:01" (1/3) ... [2019-12-07 18:32:04,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387977c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:32:04, skipping insertion in model container [2019-12-07 18:32:04,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:32:02" (2/3) ... [2019-12-07 18:32:04,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387977c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:32:04, skipping insertion in model container [2019-12-07 18:32:04,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:32:04" (3/3) ... [2019-12-07 18:32:04,084 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem16_label32.c [2019-12-07 18:32:04,093 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:32:04,100 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:32:04,108 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:32:04,132 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:32:04,133 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:32:04,133 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:32:04,133 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:32:04,133 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:32:04,133 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:32:04,133 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:32:04,134 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:32:04,155 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states. [2019-12-07 18:32:04,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-07 18:32:04,161 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:04,162 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:04,162 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:04,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:04,166 INFO L82 PathProgramCache]: Analyzing trace with hash 563919826, now seen corresponding path program 1 times [2019-12-07 18:32:04,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:04,173 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249278685] [2019-12-07 18:32:04,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:04,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:32:04,367 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249278685] [2019-12-07 18:32:04,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:32:04,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:32:04,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781284] [2019-12-07 18:32:04,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:32:04,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:04,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:32:04,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:32:04,389 INFO L87 Difference]: Start difference. First operand 396 states. Second operand 4 states. [2019-12-07 18:32:06,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:06,264 INFO L93 Difference]: Finished difference Result 1454 states and 2762 transitions. [2019-12-07 18:32:06,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:32:06,266 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2019-12-07 18:32:06,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:06,285 INFO L225 Difference]: With dead ends: 1454 [2019-12-07 18:32:06,285 INFO L226 Difference]: Without dead ends: 991 [2019-12-07 18:32:06,289 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:32:06,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2019-12-07 18:32:06,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2019-12-07 18:32:06,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2019-12-07 18:32:06,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1567 transitions. [2019-12-07 18:32:06,365 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1567 transitions. Word has length 48 [2019-12-07 18:32:06,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:06,366 INFO L462 AbstractCegarLoop]: Abstraction has 991 states and 1567 transitions. [2019-12-07 18:32:06,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:32:06,366 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1567 transitions. [2019-12-07 18:32:06,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-07 18:32:06,371 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:06,372 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:06,372 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:06,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:06,372 INFO L82 PathProgramCache]: Analyzing trace with hash 524059219, now seen corresponding path program 1 times [2019-12-07 18:32:06,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:06,373 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79755064] [2019-12-07 18:32:06,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:06,797 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:32:06,797 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79755064] [2019-12-07 18:32:06,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:32:06,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 18:32:06,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952302282] [2019-12-07 18:32:06,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 18:32:06,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:06,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 18:32:06,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-07 18:32:06,799 INFO L87 Difference]: Start difference. First operand 991 states and 1567 transitions. Second operand 7 states. [2019-12-07 18:32:08,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:08,969 INFO L93 Difference]: Finished difference Result 2320 states and 3550 transitions. [2019-12-07 18:32:08,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:32:08,969 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 179 [2019-12-07 18:32:08,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:08,975 INFO L225 Difference]: With dead ends: 2320 [2019-12-07 18:32:08,975 INFO L226 Difference]: Without dead ends: 1331 [2019-12-07 18:32:08,977 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:32:08,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2019-12-07 18:32:08,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1320. [2019-12-07 18:32:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2019-12-07 18:32:08,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1902 transitions. [2019-12-07 18:32:08,997 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1902 transitions. Word has length 179 [2019-12-07 18:32:08,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:08,997 INFO L462 AbstractCegarLoop]: Abstraction has 1320 states and 1902 transitions. [2019-12-07 18:32:08,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 18:32:08,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1902 transitions. [2019-12-07 18:32:09,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2019-12-07 18:32:09,002 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:09,002 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:09,002 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:09,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:09,002 INFO L82 PathProgramCache]: Analyzing trace with hash -535832572, now seen corresponding path program 1 times [2019-12-07 18:32:09,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:09,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145555467] [2019-12-07 18:32:09,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:09,138 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:32:09,138 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145555467] [2019-12-07 18:32:09,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:32:09,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:32:09,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879907894] [2019-12-07 18:32:09,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:32:09,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:09,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:32:09,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:32:09,140 INFO L87 Difference]: Start difference. First operand 1320 states and 1902 transitions. Second operand 3 states. [2019-12-07 18:32:10,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:10,388 INFO L93 Difference]: Finished difference Result 3296 states and 5031 transitions. [2019-12-07 18:32:10,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:32:10,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 266 [2019-12-07 18:32:10,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:10,414 INFO L225 Difference]: With dead ends: 3296 [2019-12-07 18:32:10,414 INFO L226 Difference]: Without dead ends: 2307 [2019-12-07 18:32:10,416 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:32:10,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2019-12-07 18:32:10,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2019-12-07 18:32:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2307 states. [2019-12-07 18:32:10,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 3033 transitions. [2019-12-07 18:32:10,449 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 3033 transitions. Word has length 266 [2019-12-07 18:32:10,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:10,450 INFO L462 AbstractCegarLoop]: Abstraction has 2307 states and 3033 transitions. [2019-12-07 18:32:10,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:32:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 3033 transitions. [2019-12-07 18:32:10,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2019-12-07 18:32:10,453 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:10,454 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:10,454 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:10,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:10,454 INFO L82 PathProgramCache]: Analyzing trace with hash -379828481, now seen corresponding path program 1 times [2019-12-07 18:32:10,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:10,454 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920238868] [2019-12-07 18:32:10,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2019-12-07 18:32:10,574 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920238868] [2019-12-07 18:32:10,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:32:10,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:32:10,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15658461] [2019-12-07 18:32:10,575 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:32:10,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:10,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:32:10,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:32:10,575 INFO L87 Difference]: Start difference. First operand 2307 states and 3033 transitions. Second operand 3 states. [2019-12-07 18:32:11,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:11,583 INFO L93 Difference]: Finished difference Result 6257 states and 8424 transitions. [2019-12-07 18:32:11,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:32:11,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 308 [2019-12-07 18:32:11,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:11,610 INFO L225 Difference]: With dead ends: 6257 [2019-12-07 18:32:11,610 INFO L226 Difference]: Without dead ends: 3294 [2019-12-07 18:32:11,613 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:32:11,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2019-12-07 18:32:11,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2019-12-07 18:32:11,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3294 states. [2019-12-07 18:32:11,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 3630 transitions. [2019-12-07 18:32:11,660 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 3630 transitions. Word has length 308 [2019-12-07 18:32:11,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:11,661 INFO L462 AbstractCegarLoop]: Abstraction has 3294 states and 3630 transitions. [2019-12-07 18:32:11,661 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:32:11,661 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 3630 transitions. [2019-12-07 18:32:11,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2019-12-07 18:32:11,664 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:11,665 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:11,665 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:11,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:11,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1299025563, now seen corresponding path program 1 times [2019-12-07 18:32:11,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:11,665 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703786492] [2019-12-07 18:32:11,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:12,456 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 91 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:32:12,457 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703786492] [2019-12-07 18:32:12,457 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002961686] [2019-12-07 18:32:12,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:32:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:12,529 INFO L264 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:32:12,538 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:32:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-12-07 18:32:12,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 18:32:12,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2019-12-07 18:32:12,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792975335] [2019-12-07 18:32:12,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:32:12,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:12,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:32:12,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 18:32:12,650 INFO L87 Difference]: Start difference. First operand 3294 states and 3630 transitions. Second operand 3 states. [2019-12-07 18:32:13,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:13,284 INFO L93 Difference]: Finished difference Result 7244 states and 7990 transitions. [2019-12-07 18:32:13,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:32:13,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 348 [2019-12-07 18:32:13,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:13,298 INFO L225 Difference]: With dead ends: 7244 [2019-12-07 18:32:13,298 INFO L226 Difference]: Without dead ends: 4281 [2019-12-07 18:32:13,301 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 18:32:13,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2019-12-07 18:32:13,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 4281. [2019-12-07 18:32:13,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4281 states. [2019-12-07 18:32:13,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 4605 transitions. [2019-12-07 18:32:13,354 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 4605 transitions. Word has length 348 [2019-12-07 18:32:13,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:13,354 INFO L462 AbstractCegarLoop]: Abstraction has 4281 states and 4605 transitions. [2019-12-07 18:32:13,354 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:32:13,354 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 4605 transitions. [2019-12-07 18:32:13,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2019-12-07 18:32:13,356 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:13,357 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:13,557 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:32:13,558 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:13,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:13,558 INFO L82 PathProgramCache]: Analyzing trace with hash 461645349, now seen corresponding path program 1 times [2019-12-07 18:32:13,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:13,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258931683] [2019-12-07 18:32:13,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:13,811 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 220 proven. 6 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2019-12-07 18:32:13,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258931683] [2019-12-07 18:32:13,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758534889] [2019-12-07 18:32:13,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/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 [2019-12-07 18:32:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:13,905 INFO L264 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:32:13,911 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:32:14,025 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2019-12-07 18:32:14,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 18:32:14,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-12-07 18:32:14,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333423138] [2019-12-07 18:32:14,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:32:14,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:14,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:32:14,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:32:14,026 INFO L87 Difference]: Start difference. First operand 4281 states and 4605 transitions. Second operand 3 states. [2019-12-07 18:32:14,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:14,692 INFO L93 Difference]: Finished difference Result 8231 states and 8877 transitions. [2019-12-07 18:32:14,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:32:14,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 473 [2019-12-07 18:32:14,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:14,714 INFO L225 Difference]: With dead ends: 8231 [2019-12-07 18:32:14,715 INFO L226 Difference]: Without dead ends: 4281 [2019-12-07 18:32:14,719 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 473 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:32:14,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2019-12-07 18:32:14,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 4281. [2019-12-07 18:32:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4281 states. [2019-12-07 18:32:14,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 4576 transitions. [2019-12-07 18:32:14,775 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 4576 transitions. Word has length 473 [2019-12-07 18:32:14,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:14,776 INFO L462 AbstractCegarLoop]: Abstraction has 4281 states and 4576 transitions. [2019-12-07 18:32:14,776 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:32:14,776 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 4576 transitions. [2019-12-07 18:32:14,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2019-12-07 18:32:14,780 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:14,781 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:14,981 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:32:14,982 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:14,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:14,984 INFO L82 PathProgramCache]: Analyzing trace with hash 913996250, now seen corresponding path program 1 times [2019-12-07 18:32:14,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:14,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419290325] [2019-12-07 18:32:14,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:15,581 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2019-12-07 18:32:15,581 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419290325] [2019-12-07 18:32:15,581 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541695388] [2019-12-07 18:32:15,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/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 [2019-12-07 18:32:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:15,663 INFO L264 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:32:15,668 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:32:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2019-12-07 18:32:15,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 18:32:15,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-12-07 18:32:15,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613983854] [2019-12-07 18:32:15,887 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:32:15,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:15,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:32:15,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:32:15,887 INFO L87 Difference]: Start difference. First operand 4281 states and 4576 transitions. Second operand 3 states. [2019-12-07 18:32:16,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:16,492 INFO L93 Difference]: Finished difference Result 5270 states and 5596 transitions. [2019-12-07 18:32:16,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:32:16,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 502 [2019-12-07 18:32:16,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:16,508 INFO L225 Difference]: With dead ends: 5270 [2019-12-07 18:32:16,508 INFO L226 Difference]: Without dead ends: 5268 [2019-12-07 18:32:16,509 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:32:16,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2019-12-07 18:32:16,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 4610. [2019-12-07 18:32:16,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4610 states. [2019-12-07 18:32:16,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4610 states to 4610 states and 4919 transitions. [2019-12-07 18:32:16,558 INFO L78 Accepts]: Start accepts. Automaton has 4610 states and 4919 transitions. Word has length 502 [2019-12-07 18:32:16,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:16,559 INFO L462 AbstractCegarLoop]: Abstraction has 4610 states and 4919 transitions. [2019-12-07 18:32:16,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:32:16,559 INFO L276 IsEmpty]: Start isEmpty. Operand 4610 states and 4919 transitions. [2019-12-07 18:32:16,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 872 [2019-12-07 18:32:16,567 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:16,567 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:16,768 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:32:16,769 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:16,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:16,770 INFO L82 PathProgramCache]: Analyzing trace with hash -572432818, now seen corresponding path program 1 times [2019-12-07 18:32:16,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:16,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227881665] [2019-12-07 18:32:16,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:17,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 1378 proven. 0 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2019-12-07 18:32:17,330 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227881665] [2019-12-07 18:32:17,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:32:17,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:32:17,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322902871] [2019-12-07 18:32:17,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:32:17,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:17,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:32:17,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:32:17,331 INFO L87 Difference]: Start difference. First operand 4610 states and 4919 transitions. Second operand 4 states. [2019-12-07 18:32:18,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:18,458 INFO L93 Difference]: Finished difference Result 11521 states and 12371 transitions. [2019-12-07 18:32:18,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:32:18,458 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 871 [2019-12-07 18:32:18,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:18,480 INFO L225 Difference]: With dead ends: 11521 [2019-12-07 18:32:18,480 INFO L226 Difference]: Without dead ends: 7242 [2019-12-07 18:32:18,484 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:32:18,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7242 states. [2019-12-07 18:32:18,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7242 to 6913. [2019-12-07 18:32:18,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6913 states. [2019-12-07 18:32:18,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 7321 transitions. [2019-12-07 18:32:18,543 INFO L78 Accepts]: Start accepts. Automaton has 6913 states and 7321 transitions. Word has length 871 [2019-12-07 18:32:18,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:18,543 INFO L462 AbstractCegarLoop]: Abstraction has 6913 states and 7321 transitions. [2019-12-07 18:32:18,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:32:18,543 INFO L276 IsEmpty]: Start isEmpty. Operand 6913 states and 7321 transitions. [2019-12-07 18:32:18,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1007 [2019-12-07 18:32:18,556 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:18,557 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:18,557 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:18,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:18,558 INFO L82 PathProgramCache]: Analyzing trace with hash -593800378, now seen corresponding path program 1 times [2019-12-07 18:32:18,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:18,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310739174] [2019-12-07 18:32:18,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1909 backedges. 1281 proven. 130 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2019-12-07 18:32:20,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310739174] [2019-12-07 18:32:20,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918663722] [2019-12-07 18:32:20,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/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 [2019-12-07 18:32:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:20,171 INFO L264 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:32:20,180 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:32:20,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1909 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 1634 trivial. 0 not checked. [2019-12-07 18:32:20,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 18:32:20,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2019-12-07 18:32:20,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234455185] [2019-12-07 18:32:20,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:32:20,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:20,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:32:20,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-12-07 18:32:20,603 INFO L87 Difference]: Start difference. First operand 6913 states and 7321 transitions. Second operand 3 states. [2019-12-07 18:32:21,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:21,308 INFO L93 Difference]: Finished difference Result 15469 states and 16407 transitions. [2019-12-07 18:32:21,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:32:21,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1006 [2019-12-07 18:32:21,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:21,323 INFO L225 Difference]: With dead ends: 15469 [2019-12-07 18:32:21,324 INFO L226 Difference]: Without dead ends: 8887 [2019-12-07 18:32:21,329 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1015 GetRequests, 1006 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-12-07 18:32:21,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8887 states. [2019-12-07 18:32:21,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8887 to 7571. [2019-12-07 18:32:21,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7571 states. [2019-12-07 18:32:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 8035 transitions. [2019-12-07 18:32:21,389 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 8035 transitions. Word has length 1006 [2019-12-07 18:32:21,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:21,389 INFO L462 AbstractCegarLoop]: Abstraction has 7571 states and 8035 transitions. [2019-12-07 18:32:21,389 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:32:21,389 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 8035 transitions. [2019-12-07 18:32:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1104 [2019-12-07 18:32:21,401 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:21,402 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:21,602 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:32:21,602 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:21,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:21,603 INFO L82 PathProgramCache]: Analyzing trace with hash -497350162, now seen corresponding path program 1 times [2019-12-07 18:32:21,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:21,603 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698394209] [2019-12-07 18:32:21,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 1602 proven. 130 refuted. 0 times theorem prover too weak. 920 trivial. 0 not checked. [2019-12-07 18:32:23,120 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698394209] [2019-12-07 18:32:23,120 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017352070] [2019-12-07 18:32:23,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/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 [2019-12-07 18:32:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:23,281 INFO L264 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:32:23,288 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:32:23,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 1586 proven. 0 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2019-12-07 18:32:23,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 18:32:23,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2019-12-07 18:32:23,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959036072] [2019-12-07 18:32:23,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:32:23,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:23,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:32:23,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-12-07 18:32:23,968 INFO L87 Difference]: Start difference. First operand 7571 states and 8035 transitions. Second operand 3 states. [2019-12-07 18:32:24,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:24,585 INFO L93 Difference]: Finished difference Result 14811 states and 15737 transitions. [2019-12-07 18:32:24,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:32:24,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1103 [2019-12-07 18:32:24,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:24,597 INFO L225 Difference]: With dead ends: 14811 [2019-12-07 18:32:24,597 INFO L226 Difference]: Without dead ends: 7571 [2019-12-07 18:32:24,602 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1112 GetRequests, 1103 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-12-07 18:32:24,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2019-12-07 18:32:24,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7571. [2019-12-07 18:32:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7571 states. [2019-12-07 18:32:24,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 7970 transitions. [2019-12-07 18:32:24,665 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 7970 transitions. Word has length 1103 [2019-12-07 18:32:24,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:24,665 INFO L462 AbstractCegarLoop]: Abstraction has 7571 states and 7970 transitions. [2019-12-07 18:32:24,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:32:24,665 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 7970 transitions. [2019-12-07 18:32:24,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2019-12-07 18:32:24,678 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:24,678 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:24,879 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:32:24,879 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:24,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:24,880 INFO L82 PathProgramCache]: Analyzing trace with hash 2088480148, now seen corresponding path program 1 times [2019-12-07 18:32:24,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:24,880 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572063726] [2019-12-07 18:32:24,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:26,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 1244 proven. 4 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2019-12-07 18:32:26,399 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572063726] [2019-12-07 18:32:26,399 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441871174] [2019-12-07 18:32:26,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/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 [2019-12-07 18:32:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:26,570 INFO L264 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:32:26,577 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:32:27,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 1048 proven. 0 refuted. 0 times theorem prover too weak. 989 trivial. 0 not checked. [2019-12-07 18:32:27,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 18:32:27,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-12-07 18:32:27,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770698731] [2019-12-07 18:32:27,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:32:27,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:27,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:32:27,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:32:27,187 INFO L87 Difference]: Start difference. First operand 7571 states and 7970 transitions. Second operand 3 states. [2019-12-07 18:32:27,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:27,838 INFO L93 Difference]: Finished difference Result 15798 states and 16615 transitions. [2019-12-07 18:32:27,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:32:27,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1159 [2019-12-07 18:32:27,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:27,845 INFO L225 Difference]: With dead ends: 15798 [2019-12-07 18:32:27,845 INFO L226 Difference]: Without dead ends: 7571 [2019-12-07 18:32:27,851 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1165 GetRequests, 1158 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:32:27,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2019-12-07 18:32:27,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7571. [2019-12-07 18:32:27,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7571 states. [2019-12-07 18:32:27,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 7875 transitions. [2019-12-07 18:32:27,917 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 7875 transitions. Word has length 1159 [2019-12-07 18:32:27,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:27,918 INFO L462 AbstractCegarLoop]: Abstraction has 7571 states and 7875 transitions. [2019-12-07 18:32:27,918 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:32:27,918 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 7875 transitions. [2019-12-07 18:32:27,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1222 [2019-12-07 18:32:27,938 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:27,938 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:28,139 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:32:28,140 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:28,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:28,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1631914977, now seen corresponding path program 1 times [2019-12-07 18:32:28,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:28,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410999478] [2019-12-07 18:32:28,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:29,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1679 proven. 130 refuted. 0 times theorem prover too weak. 1003 trivial. 0 not checked. [2019-12-07 18:32:29,829 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410999478] [2019-12-07 18:32:29,830 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604461168] [2019-12-07 18:32:29,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/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 [2019-12-07 18:32:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:30,023 INFO L264 TraceCheckSpWp]: Trace formula consists of 1436 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:32:30,030 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:32:30,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1513 proven. 0 refuted. 0 times theorem prover too weak. 1299 trivial. 0 not checked. [2019-12-07 18:32:30,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 18:32:30,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2019-12-07 18:32:30,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242841772] [2019-12-07 18:32:30,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:32:30,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:30,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:32:30,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-12-07 18:32:30,955 INFO L87 Difference]: Start difference. First operand 7571 states and 7875 transitions. Second operand 3 states. [2019-12-07 18:32:31,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:31,734 INFO L93 Difference]: Finished difference Result 16456 states and 17131 transitions. [2019-12-07 18:32:31,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:32:31,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1221 [2019-12-07 18:32:31,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:31,739 INFO L225 Difference]: With dead ends: 16456 [2019-12-07 18:32:31,739 INFO L226 Difference]: Without dead ends: 9216 [2019-12-07 18:32:31,744 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1230 GetRequests, 1221 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-12-07 18:32:31,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2019-12-07 18:32:31,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 9216. [2019-12-07 18:32:31,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9216 states. [2019-12-07 18:32:31,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9543 transitions. [2019-12-07 18:32:31,797 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9543 transitions. Word has length 1221 [2019-12-07 18:32:31,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:31,797 INFO L462 AbstractCegarLoop]: Abstraction has 9216 states and 9543 transitions. [2019-12-07 18:32:31,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:32:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9543 transitions. [2019-12-07 18:32:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1607 [2019-12-07 18:32:31,816 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:31,817 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:32,017 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:32:32,018 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:32,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:32,019 INFO L82 PathProgramCache]: Analyzing trace with hash 447965945, now seen corresponding path program 1 times [2019-12-07 18:32:32,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:32,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033240118] [2019-12-07 18:32:32,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4250 backedges. 3062 proven. 0 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2019-12-07 18:32:34,458 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033240118] [2019-12-07 18:32:34,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:32:34,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 18:32:34,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584670691] [2019-12-07 18:32:34,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 18:32:34,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:34,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 18:32:34,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 18:32:34,460 INFO L87 Difference]: Start difference. First operand 9216 states and 9543 transitions. Second operand 6 states. [2019-12-07 18:32:35,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:35,990 INFO L93 Difference]: Finished difference Result 18768 states and 19451 transitions. [2019-12-07 18:32:35,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 18:32:35,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1606 [2019-12-07 18:32:35,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:35,997 INFO L225 Difference]: With dead ends: 18768 [2019-12-07 18:32:35,997 INFO L226 Difference]: Without dead ends: 9883 [2019-12-07 18:32:36,003 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:32:36,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9883 states. [2019-12-07 18:32:36,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9883 to 9874. [2019-12-07 18:32:36,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9874 states. [2019-12-07 18:32:36,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9874 states to 9874 states and 10224 transitions. [2019-12-07 18:32:36,062 INFO L78 Accepts]: Start accepts. Automaton has 9874 states and 10224 transitions. Word has length 1606 [2019-12-07 18:32:36,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:36,063 INFO L462 AbstractCegarLoop]: Abstraction has 9874 states and 10224 transitions. [2019-12-07 18:32:36,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 18:32:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 9874 states and 10224 transitions. [2019-12-07 18:32:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1693 [2019-12-07 18:32:36,084 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:36,085 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:36,085 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:36,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:36,086 INFO L82 PathProgramCache]: Analyzing trace with hash -127619151, now seen corresponding path program 1 times [2019-12-07 18:32:36,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:36,086 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608963341] [2019-12-07 18:32:36,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:38,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4762 backedges. 3487 proven. 385 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2019-12-07 18:32:38,525 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608963341] [2019-12-07 18:32:38,526 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991057049] [2019-12-07 18:32:38,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/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 [2019-12-07 18:32:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:38,776 INFO L264 TraceCheckSpWp]: Trace formula consists of 1942 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 18:32:38,785 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:32:40,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4762 backedges. 2664 proven. 0 refuted. 0 times theorem prover too weak. 2098 trivial. 0 not checked. [2019-12-07 18:32:40,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 18:32:40,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-12-07 18:32:40,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738421884] [2019-12-07 18:32:40,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:32:40,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:40,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:32:40,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-07 18:32:40,019 INFO L87 Difference]: Start difference. First operand 9874 states and 10224 transitions. Second operand 3 states. [2019-12-07 18:32:40,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:40,812 INFO L93 Difference]: Finished difference Result 19746 states and 20456 transitions. [2019-12-07 18:32:40,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:32:40,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1692 [2019-12-07 18:32:40,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:40,819 INFO L225 Difference]: With dead ends: 19746 [2019-12-07 18:32:40,819 INFO L226 Difference]: Without dead ends: 10203 [2019-12-07 18:32:40,825 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1699 GetRequests, 1692 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-07 18:32:40,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10203 states. [2019-12-07 18:32:40,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10203 to 9874. [2019-12-07 18:32:40,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9874 states. [2019-12-07 18:32:40,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9874 states to 9874 states and 10159 transitions. [2019-12-07 18:32:40,880 INFO L78 Accepts]: Start accepts. Automaton has 9874 states and 10159 transitions. Word has length 1692 [2019-12-07 18:32:40,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:40,881 INFO L462 AbstractCegarLoop]: Abstraction has 9874 states and 10159 transitions. [2019-12-07 18:32:40,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:32:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 9874 states and 10159 transitions. [2019-12-07 18:32:40,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1838 [2019-12-07 18:32:40,902 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:40,903 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:41,104 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:32:41,105 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:41,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:41,106 INFO L82 PathProgramCache]: Analyzing trace with hash -2094496340, now seen corresponding path program 1 times [2019-12-07 18:32:41,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:41,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532147871] [2019-12-07 18:32:41,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:43,140 INFO L134 CoverageAnalysis]: Checked inductivity of 6373 backedges. 1708 proven. 0 refuted. 0 times theorem prover too weak. 4665 trivial. 0 not checked. [2019-12-07 18:32:43,140 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532147871] [2019-12-07 18:32:43,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:32:43,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:32:43,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200015255] [2019-12-07 18:32:43,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:32:43,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:43,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:32:43,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:32:43,142 INFO L87 Difference]: Start difference. First operand 9874 states and 10159 transitions. Second operand 5 states. [2019-12-07 18:32:46,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:46,114 INFO L93 Difference]: Finished difference Result 29616 states and 30529 transitions. [2019-12-07 18:32:46,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:32:46,114 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1837 [2019-12-07 18:32:46,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:46,127 INFO L225 Difference]: With dead ends: 29616 [2019-12-07 18:32:46,127 INFO L226 Difference]: Without dead ends: 19744 [2019-12-07 18:32:46,133 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:32:46,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19744 states. [2019-12-07 18:32:46,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19744 to 15138. [2019-12-07 18:32:46,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15138 states. [2019-12-07 18:32:46,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15138 states to 15138 states and 15571 transitions. [2019-12-07 18:32:46,259 INFO L78 Accepts]: Start accepts. Automaton has 15138 states and 15571 transitions. Word has length 1837 [2019-12-07 18:32:46,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:46,260 INFO L462 AbstractCegarLoop]: Abstraction has 15138 states and 15571 transitions. [2019-12-07 18:32:46,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:32:46,260 INFO L276 IsEmpty]: Start isEmpty. Operand 15138 states and 15571 transitions. [2019-12-07 18:32:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1982 [2019-12-07 18:32:46,290 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:46,291 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:46,291 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:46,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:46,292 INFO L82 PathProgramCache]: Analyzing trace with hash -890231504, now seen corresponding path program 1 times [2019-12-07 18:32:46,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:46,292 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272063336] [2019-12-07 18:32:46,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:48,170 INFO L134 CoverageAnalysis]: Checked inductivity of 6954 backedges. 4153 proven. 0 refuted. 0 times theorem prover too weak. 2801 trivial. 0 not checked. [2019-12-07 18:32:48,170 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272063336] [2019-12-07 18:32:48,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:32:48,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:32:48,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287044216] [2019-12-07 18:32:48,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:32:48,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:48,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:32:48,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:32:48,172 INFO L87 Difference]: Start difference. First operand 15138 states and 15571 transitions. Second operand 3 states. [2019-12-07 18:32:48,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:48,920 INFO L93 Difference]: Finished difference Result 31590 states and 32492 transitions. [2019-12-07 18:32:48,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:32:48,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1981 [2019-12-07 18:32:48,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:48,931 INFO L225 Difference]: With dead ends: 31590 [2019-12-07 18:32:48,931 INFO L226 Difference]: Without dead ends: 16783 [2019-12-07 18:32:48,936 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:32:48,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2019-12-07 18:32:49,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16454. [2019-12-07 18:32:49,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16454 states. [2019-12-07 18:32:49,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16881 transitions. [2019-12-07 18:32:49,063 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16881 transitions. Word has length 1981 [2019-12-07 18:32:49,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:49,063 INFO L462 AbstractCegarLoop]: Abstraction has 16454 states and 16881 transitions. [2019-12-07 18:32:49,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:32:49,064 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16881 transitions. [2019-12-07 18:32:49,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2081 [2019-12-07 18:32:49,091 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:49,092 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:49,092 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:49,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:49,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1261936362, now seen corresponding path program 1 times [2019-12-07 18:32:49,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:49,093 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313529546] [2019-12-07 18:32:49,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:32:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 7352 backedges. 3755 proven. 0 refuted. 0 times theorem prover too weak. 3597 trivial. 0 not checked. [2019-12-07 18:32:51,158 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313529546] [2019-12-07 18:32:51,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:32:51,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:32:51,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712784497] [2019-12-07 18:32:51,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:32:51,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:32:51,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:32:51,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:32:51,160 INFO L87 Difference]: Start difference. First operand 16454 states and 16881 transitions. Second operand 4 states. [2019-12-07 18:32:52,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:32:52,214 INFO L93 Difference]: Finished difference Result 32577 states and 33429 transitions. [2019-12-07 18:32:52,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:32:52,214 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 2080 [2019-12-07 18:32:52,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:32:52,225 INFO L225 Difference]: With dead ends: 32577 [2019-12-07 18:32:52,225 INFO L226 Difference]: Without dead ends: 16454 [2019-12-07 18:32:52,232 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:32:52,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2019-12-07 18:32:52,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 15796. [2019-12-07 18:32:52,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15796 states. [2019-12-07 18:32:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16104 transitions. [2019-12-07 18:32:52,345 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16104 transitions. Word has length 2080 [2019-12-07 18:32:52,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:32:52,346 INFO L462 AbstractCegarLoop]: Abstraction has 15796 states and 16104 transitions. [2019-12-07 18:32:52,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:32:52,346 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16104 transitions. [2019-12-07 18:32:52,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2107 [2019-12-07 18:32:52,375 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:32:52,376 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:32:52,376 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:32:52,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:32:52,376 INFO L82 PathProgramCache]: Analyzing trace with hash 777095257, now seen corresponding path program 1 times [2019-12-07 18:32:52,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:32:52,377 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256349144] [2019-12-07 18:32:52,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:32:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:33:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 7659 backedges. 2469 proven. 4286 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2019-12-07 18:33:00,681 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256349144] [2019-12-07 18:33:00,681 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303149049] [2019-12-07 18:33:00,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/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 [2019-12-07 18:33:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:33:01,006 INFO L264 TraceCheckSpWp]: Trace formula consists of 2403 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 18:33:01,017 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:33:03,350 INFO L134 CoverageAnalysis]: Checked inductivity of 7659 backedges. 4795 proven. 0 refuted. 0 times theorem prover too weak. 2864 trivial. 0 not checked. [2019-12-07 18:33:03,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 18:33:03,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [14] total 17 [2019-12-07 18:33:03,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071601545] [2019-12-07 18:33:03,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:33:03,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:33:03,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:33:03,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2019-12-07 18:33:03,353 INFO L87 Difference]: Start difference. First operand 15796 states and 16104 transitions. Second operand 4 states. [2019-12-07 18:33:04,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:33:04,476 INFO L93 Difference]: Finished difference Result 31261 states and 31875 transitions. [2019-12-07 18:33:04,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:33:04,477 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 2106 [2019-12-07 18:33:04,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:33:04,487 INFO L225 Difference]: With dead ends: 31261 [2019-12-07 18:33:04,487 INFO L226 Difference]: Without dead ends: 15796 [2019-12-07 18:33:04,494 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2128 GetRequests, 2107 SyntacticMatches, 6 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2019-12-07 18:33:04,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2019-12-07 18:33:04,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15796. [2019-12-07 18:33:04,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15796 states. [2019-12-07 18:33:04,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16100 transitions. [2019-12-07 18:33:04,601 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16100 transitions. Word has length 2106 [2019-12-07 18:33:04,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:33:04,602 INFO L462 AbstractCegarLoop]: Abstraction has 15796 states and 16100 transitions. [2019-12-07 18:33:04,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:33:04,602 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16100 transitions. [2019-12-07 18:33:04,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2324 [2019-12-07 18:33:04,635 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:33:04,636 INFO L410 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:33:04,836 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:33:04,837 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:33:04,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:33:04,839 INFO L82 PathProgramCache]: Analyzing trace with hash -708607397, now seen corresponding path program 1 times [2019-12-07 18:33:04,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:33:04,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151389131] [2019-12-07 18:33:04,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:33:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:33:11,052 INFO L134 CoverageAnalysis]: Checked inductivity of 9892 backedges. 4042 proven. 792 refuted. 0 times theorem prover too weak. 5058 trivial. 0 not checked. [2019-12-07 18:33:11,052 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151389131] [2019-12-07 18:33:11,052 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509633261] [2019-12-07 18:33:11,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/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 [2019-12-07 18:33:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:33:11,406 INFO L264 TraceCheckSpWp]: Trace formula consists of 2664 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:33:11,436 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:33:13,627 INFO L134 CoverageAnalysis]: Checked inductivity of 9892 backedges. 5735 proven. 0 refuted. 0 times theorem prover too weak. 4157 trivial. 0 not checked. [2019-12-07 18:33:13,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 18:33:13,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2019-12-07 18:33:13,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464711264] [2019-12-07 18:33:13,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:33:13,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:33:13,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:33:13,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 18:33:13,629 INFO L87 Difference]: Start difference. First operand 15796 states and 16100 transitions. Second operand 3 states. [2019-12-07 18:33:14,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:33:14,317 INFO L93 Difference]: Finished difference Result 31590 states and 32201 transitions. [2019-12-07 18:33:14,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:33:14,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2323 [2019-12-07 18:33:14,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:33:14,327 INFO L225 Difference]: With dead ends: 31590 [2019-12-07 18:33:14,327 INFO L226 Difference]: Without dead ends: 16125 [2019-12-07 18:33:14,333 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2341 GetRequests, 2324 SyntacticMatches, 8 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 18:33:14,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2019-12-07 18:33:14,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 16125. [2019-12-07 18:33:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16125 states. [2019-12-07 18:33:14,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16423 transitions. [2019-12-07 18:33:14,439 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16423 transitions. Word has length 2323 [2019-12-07 18:33:14,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:33:14,440 INFO L462 AbstractCegarLoop]: Abstraction has 16125 states and 16423 transitions. [2019-12-07 18:33:14,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:33:14,440 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16423 transitions. [2019-12-07 18:33:14,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2537 [2019-12-07 18:33:14,477 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:33:14,478 INFO L410 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:33:14,678 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:33:14,679 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:33:14,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:33:14,681 INFO L82 PathProgramCache]: Analyzing trace with hash -483904904, now seen corresponding path program 1 times [2019-12-07 18:33:14,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:33:14,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847019433] [2019-12-07 18:33:14,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:33:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:33:21,694 INFO L134 CoverageAnalysis]: Checked inductivity of 11340 backedges. 4420 proven. 792 refuted. 0 times theorem prover too weak. 6128 trivial. 0 not checked. [2019-12-07 18:33:21,694 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847019433] [2019-12-07 18:33:21,695 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949678540] [2019-12-07 18:33:21,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/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 [2019-12-07 18:33:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:33:22,051 INFO L264 TraceCheckSpWp]: Trace formula consists of 2877 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 18:33:22,063 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:33:22,070 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,074 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,075 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,078 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,078 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,078 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,079 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,080 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,080 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,081 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,081 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,082 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,082 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,084 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,084 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,085 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,086 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,086 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:22,087 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:25,752 INFO L134 CoverageAnalysis]: Checked inductivity of 11340 backedges. 5748 proven. 0 refuted. 0 times theorem prover too weak. 5592 trivial. 0 not checked. [2019-12-07 18:33:25,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 18:33:25,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2019-12-07 18:33:25,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089368528] [2019-12-07 18:33:25,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:33:25,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:33:25,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:33:25,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-12-07 18:33:25,755 INFO L87 Difference]: Start difference. First operand 16125 states and 16423 transitions. Second operand 3 states. [2019-12-07 18:33:26,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:33:26,771 INFO L93 Difference]: Finished difference Result 34222 states and 34863 transitions. [2019-12-07 18:33:26,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:33:26,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2536 [2019-12-07 18:33:26,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:33:26,782 INFO L225 Difference]: With dead ends: 34222 [2019-12-07 18:33:26,782 INFO L226 Difference]: Without dead ends: 18428 [2019-12-07 18:33:26,787 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2554 GetRequests, 2537 SyntacticMatches, 8 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-12-07 18:33:26,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18428 states. [2019-12-07 18:33:26,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18428 to 18099. [2019-12-07 18:33:26,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18099 states. [2019-12-07 18:33:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18099 states to 18099 states and 18422 transitions. [2019-12-07 18:33:26,913 INFO L78 Accepts]: Start accepts. Automaton has 18099 states and 18422 transitions. Word has length 2536 [2019-12-07 18:33:26,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:33:26,914 INFO L462 AbstractCegarLoop]: Abstraction has 18099 states and 18422 transitions. [2019-12-07 18:33:26,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:33:26,914 INFO L276 IsEmpty]: Start isEmpty. Operand 18099 states and 18422 transitions. [2019-12-07 18:33:26,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2577 [2019-12-07 18:33:26,952 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:33:26,953 INFO L410 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:33:27,153 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:33:27,154 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:33:27,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:33:27,156 INFO L82 PathProgramCache]: Analyzing trace with hash -25506658, now seen corresponding path program 1 times [2019-12-07 18:33:27,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:33:27,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549512032] [2019-12-07 18:33:27,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:33:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:33:32,462 INFO L134 CoverageAnalysis]: Checked inductivity of 11375 backedges. 7059 proven. 825 refuted. 0 times theorem prover too weak. 3491 trivial. 0 not checked. [2019-12-07 18:33:32,462 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549512032] [2019-12-07 18:33:32,462 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855829139] [2019-12-07 18:33:32,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/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 [2019-12-07 18:33:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:33:32,831 INFO L264 TraceCheckSpWp]: Trace formula consists of 2888 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 18:33:32,843 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:33:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 11375 backedges. 3882 proven. 0 refuted. 0 times theorem prover too weak. 7493 trivial. 0 not checked. [2019-12-07 18:33:36,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 18:33:36,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2019-12-07 18:33:36,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557804070] [2019-12-07 18:33:36,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:33:36,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:33:36,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:33:36,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 18:33:36,635 INFO L87 Difference]: Start difference. First operand 18099 states and 18422 transitions. Second operand 3 states. [2019-12-07 18:33:37,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:33:37,289 INFO L93 Difference]: Finished difference Result 35867 states and 36511 transitions. [2019-12-07 18:33:37,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:33:37,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2576 [2019-12-07 18:33:37,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:33:37,300 INFO L225 Difference]: With dead ends: 35867 [2019-12-07 18:33:37,300 INFO L226 Difference]: Without dead ends: 18099 [2019-12-07 18:33:37,306 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2585 GetRequests, 2576 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 18:33:37,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18099 states. [2019-12-07 18:33:37,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18099 to 18099. [2019-12-07 18:33:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18099 states. [2019-12-07 18:33:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18099 states to 18099 states and 18421 transitions. [2019-12-07 18:33:37,439 INFO L78 Accepts]: Start accepts. Automaton has 18099 states and 18421 transitions. Word has length 2576 [2019-12-07 18:33:37,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:33:37,439 INFO L462 AbstractCegarLoop]: Abstraction has 18099 states and 18421 transitions. [2019-12-07 18:33:37,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:33:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 18099 states and 18421 transitions. [2019-12-07 18:33:37,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2630 [2019-12-07 18:33:37,477 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:33:37,478 INFO L410 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:33:37,678 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:33:37,679 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:33:37,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:33:37,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1654722324, now seen corresponding path program 1 times [2019-12-07 18:33:37,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:33:37,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100121058] [2019-12-07 18:33:37,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:33:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:33:45,909 INFO L134 CoverageAnalysis]: Checked inductivity of 12187 backedges. 5411 proven. 1640 refuted. 0 times theorem prover too weak. 5136 trivial. 0 not checked. [2019-12-07 18:33:45,909 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100121058] [2019-12-07 18:33:45,909 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354369520] [2019-12-07 18:33:45,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/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 [2019-12-07 18:33:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:33:46,292 INFO L264 TraceCheckSpWp]: Trace formula consists of 2970 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:33:46,303 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:33:46,331 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 18:33:48,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12187 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 11635 trivial. 0 not checked. [2019-12-07 18:33:48,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 18:33:48,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2019-12-07 18:33:48,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27302816] [2019-12-07 18:33:48,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:33:48,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:33:48,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:33:48,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2019-12-07 18:33:48,939 INFO L87 Difference]: Start difference. First operand 18099 states and 18421 transitions. Second operand 3 states. [2019-12-07 18:33:49,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:33:49,628 INFO L93 Difference]: Finished difference Result 36852 states and 37508 transitions. [2019-12-07 18:33:49,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:33:49,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2629 [2019-12-07 18:33:49,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:33:49,630 INFO L225 Difference]: With dead ends: 36852 [2019-12-07 18:33:49,630 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:33:49,637 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2654 GetRequests, 2634 SyntacticMatches, 9 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2019-12-07 18:33:49,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:33:49,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:33:49,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:33:49,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:33:49,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2629 [2019-12-07 18:33:49,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:33:49,638 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:33:49,638 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:33:49,638 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:33:49,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:33:49,839 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:33:49,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 18:33:49,986 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 173 [2019-12-07 18:33:51,023 WARN L192 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 90 [2019-12-07 18:33:51,953 WARN L192 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 93 [2019-12-07 18:33:53,877 WARN L192 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 157 DAG size of output: 87 [2019-12-07 18:33:53,879 INFO L246 CegarLoopResult]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,879 INFO L246 CegarLoopResult]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,879 INFO L246 CegarLoopResult]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,879 INFO L246 CegarLoopResult]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,879 INFO L246 CegarLoopResult]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,879 INFO L246 CegarLoopResult]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,879 INFO L246 CegarLoopResult]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,879 INFO L246 CegarLoopResult]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,879 INFO L246 CegarLoopResult]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,880 INFO L246 CegarLoopResult]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,880 INFO L246 CegarLoopResult]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,880 INFO L246 CegarLoopResult]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,880 INFO L246 CegarLoopResult]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,880 INFO L246 CegarLoopResult]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,880 INFO L246 CegarLoopResult]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,880 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-12-07 18:33:53,880 INFO L246 CegarLoopResult]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,880 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-12-07 18:33:53,880 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-12-07 18:33:53,880 INFO L242 CegarLoopResult]: At program point L1491(lines 23 1492) the Hoare annotation is: (let ((.cse7 (= ~a12~0 8)) (.cse18 (+ ~a18~0 79)) (.cse3 (= ~a12~0 7))) (let ((.cse4 (<= 0 (+ ~a18~0 155))) (.cse2 (not .cse3)) (.cse10 (= ~a12~0 6)) (.cse13 (exists ((v_~a18~0_901 Int)) (let ((.cse20 (div (* v_~a18~0_901 10) (- 5)))) (let ((.cse19 (* 5 .cse20))) (and (<= (+ v_~a18~0_901 79) 0) (<= 5 .cse19) (<= (div (* .cse20 5) 5) ~a18~0) (<= 0 .cse19)))))) (.cse12 (= ~a16~0 8)) (.cse8 (<= ~a16~0 11)) (.cse11 (<= .cse18 0)) (.cse16 (<= 10 ~a16~0)) (.cse0 (<= (+ ~a18~0 156) 0)) (.cse5 (<= 4 ~a15~0)) (.cse6 (<= ~a16~0 9)) (.cse9 (not .cse7)) (.cse15 (< 0 .cse18)) (.cse1 (= ~a15~0 3)) (.cse14 (= ~a12~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1) (and .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9 .cse10) (and .cse8 .cse1 .cse6 .cse9) (and .cse5 .cse6 .cse2 .cse9 .cse11) (and .cse1 (<= 28 ~a18~0)) (and .cse8 .cse5 .cse10) (and .cse12 .cse5 .cse13) (and .cse12 .cse5 (or (<= ~a18~0 134) (and (= ~a15~0 4) .cse14)) .cse15) (and .cse12 .cse1) (and .cse8 .cse5 .cse13 .cse16 .cse14) (let ((.cse17 (+ ~a18~0 87))) (and (<= .cse17 0) (<= 0 .cse17) (not (= 6 ULTIMATE.start_calculate_output_~input)) (= ~a16~0 11) .cse1 .cse14)) (and .cse12 .cse0 .cse5) (and .cse8 .cse5 .cse14 .cse11) (and .cse1 .cse16 .cse7) (and .cse3 .cse5 .cse6 .cse15) (and .cse0 .cse5 .cse6 .cse9) (and .cse1 .cse9 .cse15) (and (<= 12 ~a16~0) .cse1 .cse14)))) [2019-12-07 18:33:53,880 INFO L246 CegarLoopResult]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,880 INFO L246 CegarLoopResult]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,880 INFO L246 CegarLoopResult]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,881 INFO L246 CegarLoopResult]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,882 INFO L246 CegarLoopResult]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,883 INFO L246 CegarLoopResult]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,883 INFO L246 CegarLoopResult]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,883 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-12-07 18:33:53,883 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-12-07 18:33:53,883 INFO L246 CegarLoopResult]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,883 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-12-07 18:33:53,883 INFO L246 CegarLoopResult]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,883 INFO L242 CegarLoopResult]: At program point L1764(lines 1494 1765) the Hoare annotation is: (let ((.cse6 (= ~a12~0 8)) (.cse21 (+ ~a18~0 79)) (.cse10 (= ~a12~0 7))) (let ((.cse3 (<= 0 (+ ~a18~0 155))) (.cse13 (= ~a12~0 6)) (.cse7 (= ~a16~0 8)) (.cse2 (not .cse10)) (.cse16 (<= .cse21 0)) (.cse0 (<= (+ ~a18~0 156) 0)) (.cse5 (<= ~a16~0 9)) (.cse12 (not .cse6)) (.cse18 (< 0 .cse21)) (.cse11 (<= ~a16~0 11)) (.cse4 (<= 4 ~a15~0)) (.cse14 (exists ((v_~a18~0_901 Int)) (let ((.cse20 (div (* v_~a18~0_901 10) (- 5)))) (let ((.cse19 (* 5 .cse20))) (and (<= (+ v_~a18~0_901 79) 0) (<= 5 .cse19) (<= (div (* .cse20 5) 5) ~a18~0) (<= 0 .cse19)))))) (.cse17 (<= 10 ~a16~0)) (.cse1 (= ~a15~0 3)) (.cse9 (= ~a12~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (let ((.cse8 (<= ~a18~0 134))) (and .cse7 .cse4 (or .cse8 (and (= ~a15~0 4) .cse9)) (or (not (= 3 ULTIMATE.start_calculate_output_~input)) .cse8) .cse2)) (and .cse10 .cse3 .cse1) (and .cse11 .cse1 .cse12 .cse13) (and .cse11 .cse1 .cse5 .cse12) (and .cse1 (<= 28 ~a18~0)) (and .cse11 .cse4 .cse13) (and .cse7 .cse4 .cse14) (and .cse7 .cse1) (let ((.cse15 (+ ~a18~0 87))) (and (<= .cse15 0) (<= 0 .cse15) (not (= 6 ULTIMATE.start_calculate_output_~input)) (= ~a16~0 11) .cse1 .cse9)) (and .cse4 .cse5 .cse2 .cse16 .cse12) (and .cse11 .cse4 .cse9 .cse16) (and .cse1 .cse17 .cse6) (and .cse0 .cse4 .cse5 .cse12) (and .cse10 .cse4 .cse5 .cse18) (and .cse1 .cse12 .cse18) (and .cse11 .cse4 .cse9 .cse14 .cse17) (and (<= 12 ~a16~0) .cse1 .cse9)))) [2019-12-07 18:33:53,883 INFO L246 CegarLoopResult]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,883 INFO L246 CegarLoopResult]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,883 INFO L246 CegarLoopResult]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,883 INFO L246 CegarLoopResult]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,883 INFO L246 CegarLoopResult]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,883 INFO L246 CegarLoopResult]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,883 INFO L246 CegarLoopResult]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,883 INFO L246 CegarLoopResult]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L249 CegarLoopResult]: At program point L1767(lines 1767 1783) the Hoare annotation is: true [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,884 INFO L246 CegarLoopResult]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,885 INFO L246 CegarLoopResult]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,886 INFO L246 CegarLoopResult]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,886 INFO L246 CegarLoopResult]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,886 INFO L246 CegarLoopResult]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,886 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-12-07 18:33:53,886 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-12-07 18:33:53,886 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-12-07 18:33:53,886 INFO L242 CegarLoopResult]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse7 (= ~a12~0 8)) (.cse18 (+ ~a18~0 79)) (.cse3 (= ~a12~0 7))) (let ((.cse4 (<= 0 (+ ~a18~0 155))) (.cse2 (not .cse3)) (.cse10 (= ~a12~0 6)) (.cse13 (exists ((v_~a18~0_901 Int)) (let ((.cse20 (div (* v_~a18~0_901 10) (- 5)))) (let ((.cse19 (* 5 .cse20))) (and (<= (+ v_~a18~0_901 79) 0) (<= 5 .cse19) (<= (div (* .cse20 5) 5) ~a18~0) (<= 0 .cse19)))))) (.cse12 (= ~a16~0 8)) (.cse8 (<= ~a16~0 11)) (.cse11 (<= .cse18 0)) (.cse16 (<= 10 ~a16~0)) (.cse0 (<= (+ ~a18~0 156) 0)) (.cse5 (<= 4 ~a15~0)) (.cse6 (<= ~a16~0 9)) (.cse9 (not .cse7)) (.cse15 (< 0 .cse18)) (.cse1 (= ~a15~0 3)) (.cse14 (= ~a12~0 5))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1) (and .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse9 .cse10) (and .cse8 .cse1 .cse6 .cse9) (and .cse5 .cse6 .cse2 .cse9 .cse11) (and .cse1 (<= 28 ~a18~0)) (and .cse8 .cse5 .cse10) (and .cse12 .cse5 .cse13) (and .cse12 .cse5 (or (<= ~a18~0 134) (and (= ~a15~0 4) .cse14)) .cse15) (and .cse12 .cse1) (and .cse8 .cse5 .cse13 .cse16 .cse14) (and .cse12 .cse0 .cse5) (and .cse8 .cse5 .cse14 .cse11) (and .cse1 .cse16 .cse7) (and .cse3 .cse5 .cse6 .cse15) (and .cse0 .cse5 .cse6 .cse9) (and .cse1 .cse9 .cse15) (and (<= 12 ~a16~0) .cse1 .cse14) (let ((.cse17 (+ ~a18~0 87))) (and (<= .cse17 0) (<= 0 .cse17) (= ~a16~0 11) .cse1 .cse14))))) [2019-12-07 18:33:53,886 INFO L246 CegarLoopResult]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,886 INFO L246 CegarLoopResult]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,886 INFO L246 CegarLoopResult]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,886 INFO L246 CegarLoopResult]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,886 INFO L246 CegarLoopResult]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,886 INFO L246 CegarLoopResult]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,886 INFO L246 CegarLoopResult]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,886 INFO L246 CegarLoopResult]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,886 INFO L246 CegarLoopResult]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,887 INFO L246 CegarLoopResult]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L1778(line 1778) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,888 INFO L246 CegarLoopResult]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,889 INFO L246 CegarLoopResult]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,890 INFO L246 CegarLoopResult]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-12-07 18:33:53,891 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,892 INFO L246 CegarLoopResult]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,893 INFO L246 CegarLoopResult]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,894 INFO L246 CegarLoopResult]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,895 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L24(lines 24 26) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,896 INFO L246 CegarLoopResult]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,897 INFO L246 CegarLoopResult]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,898 INFO L246 CegarLoopResult]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,899 INFO L246 CegarLoopResult]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,899 INFO L246 CegarLoopResult]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,899 INFO L246 CegarLoopResult]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,899 INFO L246 CegarLoopResult]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2019-12-07 18:33:53,899 INFO L246 CegarLoopResult]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,899 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-12-07 18:33:53,899 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-12-07 18:33:53,899 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-12-07 18:33:53,899 INFO L246 CegarLoopResult]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,899 INFO L246 CegarLoopResult]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2019-12-07 18:33:53,899 INFO L246 CegarLoopResult]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,899 INFO L246 CegarLoopResult]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2019-12-07 18:33:53,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,917 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:53,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:33:53 BoogieIcfgContainer [2019-12-07 18:33:53,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:33:53,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:33:53,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:33:53,933 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:33:53,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:32:04" (3/4) ... [2019-12-07 18:33:53,936 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:33:53,960 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 18:33:53,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 18:33:53,983 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((a18 + 156 <= 0 && a15 == 3) && !(a12 == 7)) || ((a12 == 7 && 0 <= a18 + 155) && a15 == 3)) || (((0 <= a18 + 155 && 4 <= a15) && a16 <= 9) && a12 == 8)) || (((a16 <= 11 && a15 == 3) && !(a12 == 8)) && a12 == 6)) || (((a16 <= 11 && a15 == 3) && a16 <= 9) && !(a12 == 8))) || ((((4 <= a15 && a16 <= 9) && !(a12 == 7)) && !(a12 == 8)) && a18 + 79 <= 0)) || (a15 == 3 && 28 <= a18)) || ((a16 <= 11 && 4 <= a15) && a12 == 6)) || ((a16 == 8 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5)))) || (((a16 == 8 && 4 <= a15) && (a18 <= 134 || (a15 == 4 && a12 == 5))) && 0 < a18 + 79)) || (a16 == 8 && a15 == 3)) || ((((a16 <= 11 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5))) && 10 <= a16) && a12 == 5)) || ((a16 == 8 && a18 + 156 <= 0) && 4 <= a15)) || (((a16 <= 11 && 4 <= a15) && a12 == 5) && a18 + 79 <= 0)) || ((a15 == 3 && 10 <= a16) && a12 == 8)) || (((a12 == 7 && 4 <= a15) && a16 <= 9) && 0 < a18 + 79)) || (((a18 + 156 <= 0 && 4 <= a15) && a16 <= 9) && !(a12 == 8))) || ((a15 == 3 && !(a12 == 8)) && 0 < a18 + 79)) || ((12 <= a16 && a15 == 3) && a12 == 5)) || ((((a18 + 87 <= 0 && 0 <= a18 + 87) && a16 == 11) && a15 == 3) && a12 == 5) [2019-12-07 18:33:53,985 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((a18 + 156 <= 0 && a15 == 3) && !(a12 == 7)) || ((a12 == 7 && 0 <= a18 + 155) && a15 == 3)) || (((0 <= a18 + 155 && 4 <= a15) && a16 <= 9) && a12 == 8)) || (((a16 <= 11 && a15 == 3) && !(a12 == 8)) && a12 == 6)) || (((a16 <= 11 && a15 == 3) && a16 <= 9) && !(a12 == 8))) || ((((4 <= a15 && a16 <= 9) && !(a12 == 7)) && !(a12 == 8)) && a18 + 79 <= 0)) || (a15 == 3 && 28 <= a18)) || ((a16 <= 11 && 4 <= a15) && a12 == 6)) || ((a16 == 8 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5)))) || (((a16 == 8 && 4 <= a15) && (a18 <= 134 || (a15 == 4 && a12 == 5))) && 0 < a18 + 79)) || (a16 == 8 && a15 == 3)) || ((((a16 <= 11 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5))) && 10 <= a16) && a12 == 5)) || (((((a18 + 87 <= 0 && 0 <= a18 + 87) && !(6 == input)) && a16 == 11) && a15 == 3) && a12 == 5)) || ((a16 == 8 && a18 + 156 <= 0) && 4 <= a15)) || (((a16 <= 11 && 4 <= a15) && a12 == 5) && a18 + 79 <= 0)) || ((a15 == 3 && 10 <= a16) && a12 == 8)) || (((a12 == 7 && 4 <= a15) && a16 <= 9) && 0 < a18 + 79)) || (((a18 + 156 <= 0 && 4 <= a15) && a16 <= 9) && !(a12 == 8))) || ((a15 == 3 && !(a12 == 8)) && 0 < a18 + 79)) || ((12 <= a16 && a15 == 3) && a12 == 5) [2019-12-07 18:33:53,993 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((a18 + 156 <= 0 && a15 == 3) && !(a12 == 7)) || (((0 <= a18 + 155 && 4 <= a15) && a16 <= 9) && a12 == 8)) || ((((a16 == 8 && 4 <= a15) && (a18 <= 134 || (a15 == 4 && a12 == 5))) && (!(3 == input) || a18 <= 134)) && !(a12 == 7))) || ((a12 == 7 && 0 <= a18 + 155) && a15 == 3)) || (((a16 <= 11 && a15 == 3) && !(a12 == 8)) && a12 == 6)) || (((a16 <= 11 && a15 == 3) && a16 <= 9) && !(a12 == 8))) || (a15 == 3 && 28 <= a18)) || ((a16 <= 11 && 4 <= a15) && a12 == 6)) || ((a16 == 8 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5)))) || (a16 == 8 && a15 == 3)) || (((((a18 + 87 <= 0 && 0 <= a18 + 87) && !(6 == input)) && a16 == 11) && a15 == 3) && a12 == 5)) || ((((4 <= a15 && a16 <= 9) && !(a12 == 7)) && a18 + 79 <= 0) && !(a12 == 8))) || (((a16 <= 11 && 4 <= a15) && a12 == 5) && a18 + 79 <= 0)) || ((a15 == 3 && 10 <= a16) && a12 == 8)) || (((a18 + 156 <= 0 && 4 <= a15) && a16 <= 9) && !(a12 == 8))) || (((a12 == 7 && 4 <= a15) && a16 <= 9) && 0 < a18 + 79)) || ((a15 == 3 && !(a12 == 8)) && 0 < a18 + 79)) || ((((a16 <= 11 && 4 <= a15) && a12 == 5) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5))) && 10 <= a16)) || ((12 <= a16 && a15 == 3) && a12 == 5) [2019-12-07 18:33:54,092 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4d623de6-7e40-4791-b9f1-9d7efec46a3b/bin/uautomizer/witness.graphml [2019-12-07 18:33:54,092 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:33:54,093 INFO L168 Benchmark]: Toolchain (without parser) took 112303.11 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 934.0 MB in the beginning and 1.4 GB in the end (delta: -458.3 MB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2019-12-07 18:33:54,093 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:33:54,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 934.0 MB in the beginning and 1.0 GB in the end (delta: -109.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:33:54,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:33:54,094 INFO L168 Benchmark]: Boogie Preprocessor took 88.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:33:54,094 INFO L168 Benchmark]: RCFGBuilder took 1517.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 979.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 187.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:33:54,094 INFO L168 Benchmark]: TraceAbstraction took 109853.68 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 979.1 MB in the beginning and 1.4 GB in the end (delta: -440.0 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2019-12-07 18:33:54,095 INFO L168 Benchmark]: Witness Printer took 159.80 ms. Allocated memory is still 5.0 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:33:54,096 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 582.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 934.0 MB in the beginning and 1.0 GB in the end (delta: -109.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1517.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 979.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 187.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 109853.68 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 979.1 MB in the beginning and 1.4 GB in the end (delta: -440.0 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. * Witness Printer took 159.80 ms. Allocated memory is still 5.0 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 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[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant [2019-12-07 18:33:54,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,101 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,102 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,102 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,102 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((a18 + 156 <= 0 && a15 == 3) && !(a12 == 7)) || ((a12 == 7 && 0 <= a18 + 155) && a15 == 3)) || (((0 <= a18 + 155 && 4 <= a15) && a16 <= 9) && a12 == 8)) || (((a16 <= 11 && a15 == 3) && !(a12 == 8)) && a12 == 6)) || (((a16 <= 11 && a15 == 3) && a16 <= 9) && !(a12 == 8))) || ((((4 <= a15 && a16 <= 9) && !(a12 == 7)) && !(a12 == 8)) && a18 + 79 <= 0)) || (a15 == 3 && 28 <= a18)) || ((a16 <= 11 && 4 <= a15) && a12 == 6)) || ((a16 == 8 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5)))) || (((a16 == 8 && 4 <= a15) && (a18 <= 134 || (a15 == 4 && a12 == 5))) && 0 < a18 + 79)) || (a16 == 8 && a15 == 3)) || ((((a16 <= 11 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5))) && 10 <= a16) && a12 == 5)) || (((((a18 + 87 <= 0 && 0 <= a18 + 87) && !(6 == input)) && a16 == 11) && a15 == 3) && a12 == 5)) || ((a16 == 8 && a18 + 156 <= 0) && 4 <= a15)) || (((a16 <= 11 && 4 <= a15) && a12 == 5) && a18 + 79 <= 0)) || ((a15 == 3 && 10 <= a16) && a12 == 8)) || (((a12 == 7 && 4 <= a15) && a16 <= 9) && 0 < a18 + 79)) || (((a18 + 156 <= 0 && 4 <= a15) && a16 <= 9) && !(a12 == 8))) || ((a15 == 3 && !(a12 == 8)) && 0 < a18 + 79)) || ((12 <= a16 && a15 == 3) && a12 == 5) - InvariantResult [Line: 1494]: Loop Invariant [2019-12-07 18:33:54,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,108 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,108 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] Derived loop invariant: (((((((((((((((((((a18 + 156 <= 0 && a15 == 3) && !(a12 == 7)) || (((0 <= a18 + 155 && 4 <= a15) && a16 <= 9) && a12 == 8)) || ((((a16 == 8 && 4 <= a15) && (a18 <= 134 || (a15 == 4 && a12 == 5))) && (!(3 == input) || a18 <= 134)) && !(a12 == 7))) || ((a12 == 7 && 0 <= a18 + 155) && a15 == 3)) || (((a16 <= 11 && a15 == 3) && !(a12 == 8)) && a12 == 6)) || (((a16 <= 11 && a15 == 3) && a16 <= 9) && !(a12 == 8))) || (a15 == 3 && 28 <= a18)) || ((a16 <= 11 && 4 <= a15) && a12 == 6)) || ((a16 == 8 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5)))) || (a16 == 8 && a15 == 3)) || (((((a18 + 87 <= 0 && 0 <= a18 + 87) && !(6 == input)) && a16 == 11) && a15 == 3) && a12 == 5)) || ((((4 <= a15 && a16 <= 9) && !(a12 == 7)) && a18 + 79 <= 0) && !(a12 == 8))) || (((a16 <= 11 && 4 <= a15) && a12 == 5) && a18 + 79 <= 0)) || ((a15 == 3 && 10 <= a16) && a12 == 8)) || (((a18 + 156 <= 0 && 4 <= a15) && a16 <= 9) && !(a12 == 8))) || (((a12 == 7 && 4 <= a15) && a16 <= 9) && 0 < a18 + 79)) || ((a15 == 3 && !(a12 == 8)) && 0 < a18 + 79)) || ((((a16 <= 11 && 4 <= a15) && a12 == 5) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5))) && 10 <= a16)) || ((12 <= a16 && a15 == 3) && a12 == 5) - InvariantResult [Line: 1767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1773]: Loop Invariant [2019-12-07 18:33:54,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] [2019-12-07 18:33:54,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_901,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((a18 + 156 <= 0 && a15 == 3) && !(a12 == 7)) || ((a12 == 7 && 0 <= a18 + 155) && a15 == 3)) || (((0 <= a18 + 155 && 4 <= a15) && a16 <= 9) && a12 == 8)) || (((a16 <= 11 && a15 == 3) && !(a12 == 8)) && a12 == 6)) || (((a16 <= 11 && a15 == 3) && a16 <= 9) && !(a12 == 8))) || ((((4 <= a15 && a16 <= 9) && !(a12 == 7)) && !(a12 == 8)) && a18 + 79 <= 0)) || (a15 == 3 && 28 <= a18)) || ((a16 <= 11 && 4 <= a15) && a12 == 6)) || ((a16 == 8 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5)))) || (((a16 == 8 && 4 <= a15) && (a18 <= 134 || (a15 == 4 && a12 == 5))) && 0 < a18 + 79)) || (a16 == 8 && a15 == 3)) || ((((a16 <= 11 && 4 <= a15) && (\exists v_~a18~0_901 : int :: ((v_~a18~0_901 + 79 <= 0 && 5 <= 5 * (v_~a18~0_901 * 10 / -5)) && v_~a18~0_901 * 10 / -5 * 5 / 5 <= a18) && 0 <= 5 * (v_~a18~0_901 * 10 / -5))) && 10 <= a16) && a12 == 5)) || ((a16 == 8 && a18 + 156 <= 0) && 4 <= a15)) || (((a16 <= 11 && 4 <= a15) && a12 == 5) && a18 + 79 <= 0)) || ((a15 == 3 && 10 <= a16) && a12 == 8)) || (((a12 == 7 && 4 <= a15) && a16 <= 9) && 0 < a18 + 79)) || (((a18 + 156 <= 0 && 4 <= a15) && a16 <= 9) && !(a12 == 8))) || ((a15 == 3 && !(a12 == 8)) && 0 < a18 + 79)) || ((12 <= a16 && a15 == 3) && a12 == 5)) || ((((a18 + 87 <= 0 && 0 <= a18 + 87) && a16 == 11) && a15 == 3) && a12 == 5) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Result: SAFE, OverallTime: 105.7s, OverallIterations: 22, TraceHistogramMax: 13, AutomataDifference: 23.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, HoareTripleCheckerStatistics: 5145 SDtfs, 7204 SDslu, 191 SDs, 0 SdLazy, 25031 SolverSat, 3113 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19873 GetRequests, 19700 SyntacticMatches, 44 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18099occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 8574 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 202 NumberOfFragments, 1021 HoareAnnotationTreeSize, 4 FomulaSimplifications, 10505 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 6315 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 27.3s InterpolantComputationTime, 48524 NumberOfCodeBlocks, 48524 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 48489 ConstructedInterpolants, 111 QuantifiedInterpolants, 255472801 SizeOfPredicates, 6 NumberOfNonLiveVariables, 22605 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 35 InterpolantComputations, 22 PerfectInterpolantSequences, 153259/162453 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...