./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/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 cf5fe32b34f3bdb04ccea0560b6f352942ab84d1 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:31:45,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:31:45,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:31:45,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:31:45,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:31:45,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:31:45,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:31:45,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:31:45,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:31:45,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:31:45,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:31:45,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:31:45,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:31:45,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:31:45,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:31:45,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:31:45,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:31:45,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:31:45,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:31:45,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:31:45,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:31:45,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:31:45,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:31:45,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:31:45,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:31:45,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:31:45,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:31:45,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:31:45,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:31:45,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:31:45,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:31:45,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:31:45,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:31:45,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:31:45,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:31:45,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:31:45,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:31:45,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:31:45,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:31:45,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:31:45,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:31:45,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 22:31:45,118 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:31:45,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:31:45,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:31:45,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:31:45,129 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:31:45,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:31:45,129 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:31:45,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:31:45,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:31:45,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:31:45,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:31:45,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:31:45,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:31:45,133 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:31:45,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:31:45,134 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:31:45,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:31:45,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:31:45,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:31:45,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:31:45,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 22:31:45,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:31:45,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:31:45,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:31:45,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:31:45,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:31:45,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:31:45,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:31:45,140 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_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/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 -> cf5fe32b34f3bdb04ccea0560b6f352942ab84d1 [2019-11-19 22:31:45,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:31:45,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:31:45,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:31:45,292 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:31:45,293 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:31:45,293 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label40.c [2019-11-19 22:31:45,364 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/bin/uautomizer/data/7beb392f4/aedd7fe547614eff8a638e8583fa0c35/FLAG70b61b44b [2019-11-19 22:31:45,769 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:31:45,770 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/sv-benchmarks/c/eca-rers2012/Problem02_label40.c [2019-11-19 22:31:45,782 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/bin/uautomizer/data/7beb392f4/aedd7fe547614eff8a638e8583fa0c35/FLAG70b61b44b [2019-11-19 22:31:46,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/bin/uautomizer/data/7beb392f4/aedd7fe547614eff8a638e8583fa0c35 [2019-11-19 22:31:46,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:31:46,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:31:46,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:31:46,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:31:46,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:31:46,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:31:46" (1/1) ... [2019-11-19 22:31:46,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd093d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:46, skipping insertion in model container [2019-11-19 22:31:46,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:31:46" (1/1) ... [2019-11-19 22:31:46,087 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:31:46,143 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:31:46,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:31:46,527 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:31:46,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:31:46,673 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:31:46,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:46 WrapperNode [2019-11-19 22:31:46,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:31:46,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:31:46,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:31:46,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:31:46,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:46" (1/1) ... [2019-11-19 22:31:46,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:46" (1/1) ... [2019-11-19 22:31:46,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:31:46,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:31:46,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:31:46,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:31:46,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:46" (1/1) ... [2019-11-19 22:31:46,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:46" (1/1) ... [2019-11-19 22:31:46,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:46" (1/1) ... [2019-11-19 22:31:46,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:46" (1/1) ... [2019-11-19 22:31:46,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:46" (1/1) ... [2019-11-19 22:31:46,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:46" (1/1) ... [2019-11-19 22:31:46,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:46" (1/1) ... [2019-11-19 22:31:46,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:31:46,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:31:46,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:31:46,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:31:46,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:31:46,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:31:46,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:31:48,230 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:31:48,230 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 22:31:48,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:31:48 BoogieIcfgContainer [2019-11-19 22:31:48,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:31:48,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 22:31:48,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 22:31:48,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 22:31:48,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:31:46" (1/3) ... [2019-11-19 22:31:48,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@306a7470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:31:48, skipping insertion in model container [2019-11-19 22:31:48,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:31:46" (2/3) ... [2019-11-19 22:31:48,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@306a7470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:31:48, skipping insertion in model container [2019-11-19 22:31:48,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:31:48" (3/3) ... [2019-11-19 22:31:48,239 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2019-11-19 22:31:48,247 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 22:31:48,255 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 22:31:48,264 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 22:31:48,300 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 22:31:48,300 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 22:31:48,300 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 22:31:48,301 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:31:48,301 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:31:48,301 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 22:31:48,301 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:31:48,301 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 22:31:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-19 22:31:48,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-19 22:31:48,342 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:31:48,343 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:31:48,344 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:31:48,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:31:48,349 INFO L82 PathProgramCache]: Analyzing trace with hash 427661899, now seen corresponding path program 1 times [2019-11-19 22:31:48,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:31:48,358 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636566671] [2019-11-19 22:31:48,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:31:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:48,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:31:48,744 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636566671] [2019-11-19 22:31:48,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:31:48,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:31:48,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645472375] [2019-11-19 22:31:48,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 22:31:48,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:31:48,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 22:31:48,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:31:48,770 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-19 22:31:50,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:31:50,305 INFO L93 Difference]: Finished difference Result 775 states and 1353 transitions. [2019-11-19 22:31:50,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 22:31:50,307 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2019-11-19 22:31:50,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:31:50,322 INFO L225 Difference]: With dead ends: 775 [2019-11-19 22:31:50,322 INFO L226 Difference]: Without dead ends: 460 [2019-11-19 22:31:50,326 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:31:50,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-11-19 22:31:50,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 308. [2019-11-19 22:31:50,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-19 22:31:50,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2019-11-19 22:31:50,384 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 89 [2019-11-19 22:31:50,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:31:50,385 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2019-11-19 22:31:50,385 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 22:31:50,385 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2019-11-19 22:31:50,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-19 22:31:50,389 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:31:50,389 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-19 22:31:50,390 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:31:50,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:31:50,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1584478528, now seen corresponding path program 1 times [2019-11-19 22:31:50,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:31:50,390 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539509026] [2019-11-19 22:31:50,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:31:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:50,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:31:50,513 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539509026] [2019-11-19 22:31:50,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:31:50,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 22:31:50,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782706421] [2019-11-19 22:31:50,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 22:31:50,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:31:50,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 22:31:50,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:31:50,516 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand 4 states. [2019-11-19 22:31:51,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:31:51,445 INFO L93 Difference]: Finished difference Result 1180 states and 1741 transitions. [2019-11-19 22:31:51,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 22:31:51,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-11-19 22:31:51,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:31:51,451 INFO L225 Difference]: With dead ends: 1180 [2019-11-19 22:31:51,451 INFO L226 Difference]: Without dead ends: 874 [2019-11-19 22:31:51,455 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 [2019-11-19 22:31:51,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-11-19 22:31:51,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 870. [2019-11-19 22:31:51,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2019-11-19 22:31:51,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1183 transitions. [2019-11-19 22:31:51,498 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1183 transitions. Word has length 93 [2019-11-19 22:31:51,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:31:51,499 INFO L462 AbstractCegarLoop]: Abstraction has 870 states and 1183 transitions. [2019-11-19 22:31:51,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 22:31:51,499 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1183 transitions. [2019-11-19 22:31:51,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-19 22:31:51,506 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:31:51,506 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:31:51,507 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:31:51,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:31:51,507 INFO L82 PathProgramCache]: Analyzing trace with hash 606564730, now seen corresponding path program 1 times [2019-11-19 22:31:51,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:31:51,508 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008837317] [2019-11-19 22:31:51,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:31:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 22:31:51,599 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008837317] [2019-11-19 22:31:51,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:31:51,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:31:51,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219235191] [2019-11-19 22:31:51,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 22:31:51,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:31:51,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 22:31:51,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:31:51,601 INFO L87 Difference]: Start difference. First operand 870 states and 1183 transitions. Second operand 4 states. [2019-11-19 22:31:52,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:31:52,114 INFO L93 Difference]: Finished difference Result 2146 states and 2939 transitions. [2019-11-19 22:31:52,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 22:31:52,114 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-11-19 22:31:52,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:31:52,121 INFO L225 Difference]: With dead ends: 2146 [2019-11-19 22:31:52,121 INFO L226 Difference]: Without dead ends: 1278 [2019-11-19 22:31:52,123 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:31:52,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2019-11-19 22:31:52,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 578. [2019-11-19 22:31:52,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2019-11-19 22:31:52,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 776 transitions. [2019-11-19 22:31:52,147 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 776 transitions. Word has length 99 [2019-11-19 22:31:52,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:31:52,148 INFO L462 AbstractCegarLoop]: Abstraction has 578 states and 776 transitions. [2019-11-19 22:31:52,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 22:31:52,148 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 776 transitions. [2019-11-19 22:31:52,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-19 22:31:52,152 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:31:52,158 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-19 22:31:52,159 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:31:52,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:31:52,159 INFO L82 PathProgramCache]: Analyzing trace with hash 450798671, now seen corresponding path program 1 times [2019-11-19 22:31:52,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:31:52,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403946602] [2019-11-19 22:31:52,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:31:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:52,225 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:31:52,226 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403946602] [2019-11-19 22:31:52,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:31:52,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 22:31:52,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599715815] [2019-11-19 22:31:52,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:31:52,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:31:52,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:31:52,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:31:52,229 INFO L87 Difference]: Start difference. First operand 578 states and 776 transitions. Second operand 3 states. [2019-11-19 22:31:52,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:31:52,693 INFO L93 Difference]: Finished difference Result 1714 states and 2306 transitions. [2019-11-19 22:31:52,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:31:52,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-11-19 22:31:52,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:31:52,700 INFO L225 Difference]: With dead ends: 1714 [2019-11-19 22:31:52,700 INFO L226 Difference]: Without dead ends: 1138 [2019-11-19 22:31:52,701 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:31:52,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2019-11-19 22:31:52,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1138. [2019-11-19 22:31:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2019-11-19 22:31:52,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1447 transitions. [2019-11-19 22:31:52,734 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1447 transitions. Word has length 99 [2019-11-19 22:31:52,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:31:52,735 INFO L462 AbstractCegarLoop]: Abstraction has 1138 states and 1447 transitions. [2019-11-19 22:31:52,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:31:52,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1447 transitions. [2019-11-19 22:31:52,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-19 22:31:52,738 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:31:52,738 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:31:52,739 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:31:52,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:31:52,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1355718265, now seen corresponding path program 1 times [2019-11-19 22:31:52,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:31:52,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782537171] [2019-11-19 22:31:52,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:31:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:52,841 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:31:52,842 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782537171] [2019-11-19 22:31:52,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:31:52,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:31:52,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663991746] [2019-11-19 22:31:52,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 22:31:52,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:31:52,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 22:31:52,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:31:52,845 INFO L87 Difference]: Start difference. First operand 1138 states and 1447 transitions. Second operand 4 states. [2019-11-19 22:31:53,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:31:53,593 INFO L93 Difference]: Finished difference Result 2415 states and 3064 transitions. [2019-11-19 22:31:53,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 22:31:53,596 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2019-11-19 22:31:53,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:31:53,603 INFO L225 Difference]: With dead ends: 2415 [2019-11-19 22:31:53,603 INFO L226 Difference]: Without dead ends: 1279 [2019-11-19 22:31:53,604 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:31:53,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2019-11-19 22:31:53,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1279. [2019-11-19 22:31:53,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2019-11-19 22:31:53,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1438 transitions. [2019-11-19 22:31:53,637 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1438 transitions. Word has length 113 [2019-11-19 22:31:53,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:31:53,637 INFO L462 AbstractCegarLoop]: Abstraction has 1279 states and 1438 transitions. [2019-11-19 22:31:53,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 22:31:53,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1438 transitions. [2019-11-19 22:31:53,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-19 22:31:53,640 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:31:53,640 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:31:53,641 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:31:53,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:31:53,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1019939816, now seen corresponding path program 1 times [2019-11-19 22:31:53,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:31:53,642 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013948703] [2019-11-19 22:31:53,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:31:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:31:53,802 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013948703] [2019-11-19 22:31:53,802 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646351049] [2019-11-19 22:31:53,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 22:31:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:53,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 22:31:53,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:31:53,933 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:31:53,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 22:31:53,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-19 22:31:53,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295012303] [2019-11-19 22:31:53,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:31:53,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:31:53,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:31:53,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-19 22:31:53,936 INFO L87 Difference]: Start difference. First operand 1279 states and 1438 transitions. Second operand 3 states. [2019-11-19 22:31:54,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:31:54,332 INFO L93 Difference]: Finished difference Result 3399 states and 3829 transitions. [2019-11-19 22:31:54,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:31:54,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-11-19 22:31:54,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:31:54,341 INFO L225 Difference]: With dead ends: 3399 [2019-11-19 22:31:54,341 INFO L226 Difference]: Without dead ends: 1840 [2019-11-19 22:31:54,343 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-19 22:31:54,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2019-11-19 22:31:54,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1836. [2019-11-19 22:31:54,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2019-11-19 22:31:54,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2027 transitions. [2019-11-19 22:31:54,378 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2027 transitions. Word has length 122 [2019-11-19 22:31:54,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:31:54,378 INFO L462 AbstractCegarLoop]: Abstraction has 1836 states and 2027 transitions. [2019-11-19 22:31:54,378 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:31:54,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2027 transitions. [2019-11-19 22:31:54,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-19 22:31:54,381 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:31:54,382 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:31:54,585 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 22:31:54,585 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:31:54,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:31:54,586 INFO L82 PathProgramCache]: Analyzing trace with hash 911939789, now seen corresponding path program 1 times [2019-11-19 22:31:54,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:31:54,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202261946] [2019-11-19 22:31:54,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:31:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 22:31:54,664 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202261946] [2019-11-19 22:31:54,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:31:54,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:31:54,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780068228] [2019-11-19 22:31:54,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:31:54,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:31:54,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:31:54,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:31:54,668 INFO L87 Difference]: Start difference. First operand 1836 states and 2027 transitions. Second operand 3 states. [2019-11-19 22:31:55,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:31:55,144 INFO L93 Difference]: Finished difference Result 4230 states and 4697 transitions. [2019-11-19 22:31:55,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:31:55,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-11-19 22:31:55,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:31:55,150 INFO L225 Difference]: With dead ends: 4230 [2019-11-19 22:31:55,151 INFO L226 Difference]: Without dead ends: 1694 [2019-11-19 22:31:55,153 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:31:55,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2019-11-19 22:31:55,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1694. [2019-11-19 22:31:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2019-11-19 22:31:55,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1838 transitions. [2019-11-19 22:31:55,185 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1838 transitions. Word has length 126 [2019-11-19 22:31:55,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:31:55,186 INFO L462 AbstractCegarLoop]: Abstraction has 1694 states and 1838 transitions. [2019-11-19 22:31:55,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:31:55,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1838 transitions. [2019-11-19 22:31:55,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-19 22:31:55,189 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:31:55,189 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:31:55,189 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:31:55,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:31:55,190 INFO L82 PathProgramCache]: Analyzing trace with hash -863331546, now seen corresponding path program 1 times [2019-11-19 22:31:55,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:31:55,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781236842] [2019-11-19 22:31:55,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:31:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:55,241 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 22:31:55,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781236842] [2019-11-19 22:31:55,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:31:55,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:31:55,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486012124] [2019-11-19 22:31:55,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:31:55,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:31:55,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:31:55,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:31:55,243 INFO L87 Difference]: Start difference. First operand 1694 states and 1838 transitions. Second operand 3 states. [2019-11-19 22:31:55,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:31:55,613 INFO L93 Difference]: Finished difference Result 3249 states and 3533 transitions. [2019-11-19 22:31:55,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:31:55,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-11-19 22:31:55,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:31:55,620 INFO L225 Difference]: With dead ends: 3249 [2019-11-19 22:31:55,620 INFO L226 Difference]: Without dead ends: 1697 [2019-11-19 22:31:55,622 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:31:55,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2019-11-19 22:31:55,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1694. [2019-11-19 22:31:55,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2019-11-19 22:31:55,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1823 transitions. [2019-11-19 22:31:55,656 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1823 transitions. Word has length 136 [2019-11-19 22:31:55,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:31:55,656 INFO L462 AbstractCegarLoop]: Abstraction has 1694 states and 1823 transitions. [2019-11-19 22:31:55,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:31:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1823 transitions. [2019-11-19 22:31:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-19 22:31:55,659 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:31:55,660 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:31:55,660 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:31:55,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:31:55,660 INFO L82 PathProgramCache]: Analyzing trace with hash 710747632, now seen corresponding path program 1 times [2019-11-19 22:31:55,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:31:55,664 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293648936] [2019-11-19 22:31:55,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:31:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 22:31:55,827 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293648936] [2019-11-19 22:31:55,827 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298096376] [2019-11-19 22:31:55,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 22:31:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:55,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:31:55,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:31:55,959 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-19 22:31:55,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 22:31:55,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-19 22:31:55,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88534582] [2019-11-19 22:31:55,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:31:55,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:31:55,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:31:55,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-19 22:31:55,961 INFO L87 Difference]: Start difference. First operand 1694 states and 1823 transitions. Second operand 3 states. [2019-11-19 22:31:56,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:31:56,390 INFO L93 Difference]: Finished difference Result 3244 states and 3498 transitions. [2019-11-19 22:31:56,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:31:56,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-11-19 22:31:56,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:31:56,391 INFO L225 Difference]: With dead ends: 3244 [2019-11-19 22:31:56,391 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 22:31:56,394 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-19 22:31:56,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 22:31:56,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 22:31:56,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 22:31:56,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 22:31:56,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2019-11-19 22:31:56,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:31:56,396 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:31:56,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:31:56,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:31:56,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:31:56,599 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 22:31:56,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 22:31:56,850 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2019-11-19 22:31:57,036 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2019-11-19 22:31:57,040 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,041 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,041 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,041 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-19 22:31:57,041 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-19 22:31:57,041 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-19 22:31:57,041 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-19 22:31:57,041 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-19 22:31:57,041 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-19 22:31:57,041 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-19 22:31:57,041 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,041 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,042 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,042 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-19 22:31:57,042 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-19 22:31:57,042 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-19 22:31:57,042 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-19 22:31:57,042 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-19 22:31:57,042 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-19 22:31:57,042 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-19 22:31:57,042 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,042 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,042 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,042 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-19 22:31:57,042 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-19 22:31:57,042 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-19 22:31:57,043 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-19 22:31:57,043 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-19 22:31:57,043 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,043 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,043 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,043 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-19 22:31:57,043 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-19 22:31:57,043 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-19 22:31:57,043 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-19 22:31:57,043 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-19 22:31:57,043 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-19 22:31:57,043 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-19 22:31:57,043 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-19 22:31:57,044 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,044 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,044 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,044 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-19 22:31:57,044 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-19 22:31:57,044 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-19 22:31:57,044 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-19 22:31:57,044 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-19 22:31:57,044 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-19 22:31:57,044 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-19 22:31:57,044 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-19 22:31:57,044 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,044 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,045 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,045 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-19 22:31:57,045 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-19 22:31:57,045 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-19 22:31:57,045 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-19 22:31:57,045 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-19 22:31:57,045 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-19 22:31:57,045 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-19 22:31:57,045 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-19 22:31:57,045 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-19 22:31:57,045 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,045 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,045 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,046 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-19 22:31:57,046 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-19 22:31:57,046 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-19 22:31:57,046 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-19 22:31:57,049 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-19 22:31:57,050 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-19 22:31:57,050 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,050 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,050 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,050 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-19 22:31:57,050 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-19 22:31:57,050 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-19 22:31:57,051 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-19 22:31:57,051 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-19 22:31:57,051 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 22:31:57,051 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-19 22:31:57,051 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-19 22:31:57,051 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-19 22:31:57,051 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,051 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,052 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,052 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-19 22:31:57,052 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-19 22:31:57,052 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-19 22:31:57,052 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-19 22:31:57,052 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-19 22:31:57,052 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,052 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,052 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,053 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-19 22:31:57,053 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-19 22:31:57,053 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-19 22:31:57,053 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-19 22:31:57,053 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-19 22:31:57,053 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-19 22:31:57,053 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-19 22:31:57,053 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-19 22:31:57,054 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-19 22:31:57,054 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-19 22:31:57,054 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 22:31:57,054 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-11-19 22:31:57,054 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-19 22:31:57,054 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,054 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,055 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-19 22:31:57,055 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-19 22:31:57,055 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-19 22:31:57,059 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-19 22:31:57,059 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-19 22:31:57,059 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-19 22:31:57,059 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-19 22:31:57,059 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-19 22:31:57,060 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-19 22:31:57,061 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a28~0 7)) (.cse9 (<= ~a17~0 8))) (let ((.cse3 (= ~a17~0 8)) (.cse6 (not (= 1 ~a11~0))) (.cse0 (<= ~a19~0 0)) (.cse7 (= ~a11~0 1)) (.cse8 (= ~a25~0 1)) (.cse4 (= ~a19~0 1)) (.cse1 (and (not .cse5) .cse9)) (.cse2 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2) (and .cse0 .cse3 .cse5 .cse6) (and .cse0 (not .cse8) .cse5 .cse9 .cse7) (and .cse4 .cse9 .cse8) (and .cse4 .cse1 .cse2)))) [2019-11-19 22:31:57,061 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,061 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,062 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-19 22:31:57,062 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-19 22:31:57,062 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-19 22:31:57,062 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-19 22:31:57,062 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-19 22:31:57,062 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-19 22:31:57,062 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-19 22:31:57,063 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,063 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,063 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-19 22:31:57,063 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-19 22:31:57,063 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-19 22:31:57,063 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-19 22:31:57,063 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-19 22:31:57,063 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-19 22:31:57,064 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-19 22:31:57,064 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-19 22:31:57,064 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-19 22:31:57,064 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,064 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,064 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-19 22:31:57,064 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-19 22:31:57,064 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-19 22:31:57,065 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-19 22:31:57,065 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-19 22:31:57,065 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-19 22:31:57,065 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a28~0 7)) (.cse9 (<= ~a17~0 8))) (let ((.cse3 (= ~a17~0 8)) (.cse6 (not (= 1 ~a11~0))) (.cse0 (<= ~a19~0 0)) (.cse7 (= ~a11~0 1)) (.cse8 (= ~a25~0 1)) (.cse4 (= ~a19~0 1)) (.cse1 (and (not .cse5) .cse9)) (.cse2 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2) (and .cse0 .cse3 .cse5 .cse6) (and .cse0 (not .cse8) .cse5 .cse9 .cse7) (and .cse4 .cse9 .cse8) (and .cse4 .cse1 .cse2)))) [2019-11-19 22:31:57,065 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,065 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,066 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-19 22:31:57,066 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-19 22:31:57,066 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-19 22:31:57,066 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-19 22:31:57,066 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-19 22:31:57,066 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,066 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,067 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-19 22:31:57,067 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-19 22:31:57,067 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-19 22:31:57,067 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-19 22:31:57,067 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-19 22:31:57,067 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-19 22:31:57,067 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-19 22:31:57,067 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-19 22:31:57,068 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-19 22:31:57,068 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,068 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,068 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-19 22:31:57,068 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,068 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-19 22:31:57,068 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-19 22:31:57,069 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-19 22:31:57,069 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-19 22:31:57,069 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-19 22:31:57,069 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 22:31:57,069 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-19 22:31:57,069 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,069 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,069 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,070 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-19 22:31:57,070 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-19 22:31:57,070 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-19 22:31:57,070 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-19 22:31:57,070 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-19 22:31:57,070 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,070 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,070 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,071 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-19 22:31:57,071 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-19 22:31:57,071 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-19 22:31:57,071 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-19 22:31:57,071 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-19 22:31:57,071 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-19 22:31:57,071 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,072 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,072 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,072 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-19 22:31:57,072 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-19 22:31:57,072 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-19 22:31:57,072 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-19 22:31:57,072 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-19 22:31:57,072 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-19 22:31:57,073 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 22:31:57,073 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-19 22:31:57,073 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-19 22:31:57,073 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,073 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,073 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,073 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-19 22:31:57,074 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-19 22:31:57,074 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-19 22:31:57,074 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-19 22:31:57,074 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-19 22:31:57,074 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,074 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,074 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 22:31:57,074 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-19 22:31:57,075 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-19 22:31:57,075 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-19 22:31:57,075 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-19 22:31:57,075 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-19 22:31:57,075 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-19 22:31:57,075 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-19 22:31:57,075 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-19 22:31:57,076 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-19 22:31:57,076 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-19 22:31:57,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:31:57 BoogieIcfgContainer [2019-11-19 22:31:57,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 22:31:57,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:31:57,112 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:31:57,112 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:31:57,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:31:48" (3/4) ... [2019-11-19 22:31:57,116 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:31:57,149 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 22:31:57,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 22:31:57,337 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_235393e2-7bcf-4be1-bdc3-fe2e35d235d8/bin/uautomizer/witness.graphml [2019-11-19 22:31:57,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:31:57,339 INFO L168 Benchmark]: Toolchain (without parser) took 11263.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 233.8 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -207.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:31:57,339 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:31:57,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:31:57,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:31:57,340 INFO L168 Benchmark]: Boogie Preprocessor took 82.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:31:57,341 INFO L168 Benchmark]: RCFGBuilder took 1379.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.5 MB in the end (delta: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:31:57,341 INFO L168 Benchmark]: TraceAbstraction took 8879.74 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 985.5 MB in the beginning and 1.2 GB in the end (delta: -179.3 MB). Peak memory consumption was 269.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:31:57,342 INFO L168 Benchmark]: Witness Printer took 225.66 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:31:57,344 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 597.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1379.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.5 MB in the end (delta: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8879.74 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 985.5 MB in the beginning and 1.2 GB in the end (delta: -179.3 MB). Peak memory consumption was 269.8 MB. Max. memory is 11.5 GB. * Witness Printer took 225.66 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((a19 <= 0 && !(a28 == 7) && a17 <= 8) && !(a28 == 11)) || (((a17 == 8 && a19 == 1) && a28 == 7) && !(1 == a11))) || (((!(a28 == 7) && a17 <= 8) && a11 == 1) && !(a28 == 11))) || (((a19 <= 0 && a17 == 8) && a28 == 7) && !(1 == a11))) || ((((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a17 <= 8) && a11 == 1)) || ((a19 == 1 && a17 <= 8) && a25 == 1)) || ((a19 == 1 && !(a28 == 7) && a17 <= 8) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((a19 <= 0 && !(a28 == 7) && a17 <= 8) && !(a28 == 11)) || (((a17 == 8 && a19 == 1) && a28 == 7) && !(1 == a11))) || (((!(a28 == 7) && a17 <= 8) && a11 == 1) && !(a28 == 11))) || (((a19 <= 0 && a17 == 8) && a28 == 7) && !(1 == a11))) || ((((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a17 <= 8) && a11 == 1)) || ((a19 == 1 && a17 <= 8) && a25 == 1)) || ((a19 == 1 && !(a28 == 7) && a17 <= 8) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 8.7s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1117 SDtfs, 1809 SDslu, 167 SDs, 0 SdLazy, 4138 SolverSat, 760 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 294 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1836occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 863 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 46 NumberOfFragments, 209 HoareAnnotationTreeSize, 3 FomulaSimplifications, 834 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 410 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1279 NumberOfCodeBlocks, 1279 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1268 ConstructedInterpolants, 0 QuantifiedInterpolants, 386099 SizeOfPredicates, 1 NumberOfNonLiveVariables, 505 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 401/405 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...