./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label09.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_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label09.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/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 31179e70784aebb46d762aef4da1a2ff63bbff38 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:27:31,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:27:31,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:27:31,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:27:31,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:27:31,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:27:31,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:27:31,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:27:31,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:27:31,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:27:31,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:27:31,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:27:31,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:27:31,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:27:31,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:27:31,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:27:31,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:27:31,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:27:31,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:27:31,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:27:31,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:27:31,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:27:31,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:27:31,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:27:31,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:27:31,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:27:31,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:27:31,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:27:31,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:27:31,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:27:31,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:27:31,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:27:31,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:27:31,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:27:31,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:27:31,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:27:31,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:27:31,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:27:31,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:27:31,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:27:31,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:27:31,060 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 09:27:31,072 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:27:31,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:27:31,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:27:31,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:27:31,073 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:27:31,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:27:31,074 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:27:31,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:27:31,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:27:31,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:27:31,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:27:31,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:27:31,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:27:31,075 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:27:31,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:27:31,076 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:27:31,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:27:31,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:27:31,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:27:31,077 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:27:31,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:27:31,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:27:31,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:27:31,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:27:31,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:27:31,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:27:31,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:27:31,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:27:31,079 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_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/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 -> 31179e70784aebb46d762aef4da1a2ff63bbff38 [2019-11-20 09:27:31,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:27:31,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:27:31,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:27:31,222 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:27:31,223 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:27:31,224 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label09.c [2019-11-20 09:27:31,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/bin/uautomizer/data/a4900d3ab/d940b82aaa37424ab7b71d82004aec6a/FLAGd2a1a9721 [2019-11-20 09:27:31,773 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:27:31,774 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/sv-benchmarks/c/eca-rers2012/Problem01_label09.c [2019-11-20 09:27:31,791 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/bin/uautomizer/data/a4900d3ab/d940b82aaa37424ab7b71d82004aec6a/FLAGd2a1a9721 [2019-11-20 09:27:32,293 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/bin/uautomizer/data/a4900d3ab/d940b82aaa37424ab7b71d82004aec6a [2019-11-20 09:27:32,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:27:32,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:27:32,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:27:32,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:27:32,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:27:32,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:32" (1/1) ... [2019-11-20 09:27:32,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b90d1b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:32, skipping insertion in model container [2019-11-20 09:27:32,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:32" (1/1) ... [2019-11-20 09:27:32,315 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:27:32,376 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:27:32,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:27:32,784 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:27:32,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:27:32,936 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:27:32,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:32 WrapperNode [2019-11-20 09:27:32,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:27:32,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:27:32,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:27:32,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:27:32,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:32" (1/1) ... [2019-11-20 09:27:32,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:32" (1/1) ... [2019-11-20 09:27:33,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:27:33,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:27:33,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:27:33,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:27:33,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:32" (1/1) ... [2019-11-20 09:27:33,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:32" (1/1) ... [2019-11-20 09:27:33,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:32" (1/1) ... [2019-11-20 09:27:33,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:32" (1/1) ... [2019-11-20 09:27:33,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:32" (1/1) ... [2019-11-20 09:27:33,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:32" (1/1) ... [2019-11-20 09:27:33,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:32" (1/1) ... [2019-11-20 09:27:33,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:27:33,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:27:33,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:27:33,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:27:33,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:27:33,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:27:33,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:27:34,493 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:27:34,494 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 09:27:34,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:34 BoogieIcfgContainer [2019-11-20 09:27:34,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:27:34,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:27:34,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:27:34,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:27:34,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:27:32" (1/3) ... [2019-11-20 09:27:34,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7366bf4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:34, skipping insertion in model container [2019-11-20 09:27:34,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:32" (2/3) ... [2019-11-20 09:27:34,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7366bf4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:34, skipping insertion in model container [2019-11-20 09:27:34,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:34" (3/3) ... [2019-11-20 09:27:34,502 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label09.c [2019-11-20 09:27:34,511 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:27:34,517 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 09:27:34,527 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 09:27:34,557 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:27:34,557 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:27:34,557 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:27:34,557 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:27:34,558 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:27:34,558 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:27:34,558 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:27:34,559 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:27:34,584 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-11-20 09:27:34,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-11-20 09:27:34,596 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:34,597 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:34,597 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:34,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:34,602 INFO L82 PathProgramCache]: Analyzing trace with hash -286092569, now seen corresponding path program 1 times [2019-11-20 09:27:34,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:34,609 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059650593] [2019-11-20 09:27:34,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:35,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:35,036 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059650593] [2019-11-20 09:27:35,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:35,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:27:35,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946107772] [2019-11-20 09:27:35,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:27:35,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:35,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:27:35,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:27:35,058 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-11-20 09:27:36,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:36,423 INFO L93 Difference]: Finished difference Result 687 states and 1203 transitions. [2019-11-20 09:27:36,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:27:36,425 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 118 [2019-11-20 09:27:36,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:36,443 INFO L225 Difference]: With dead ends: 687 [2019-11-20 09:27:36,444 INFO L226 Difference]: Without dead ends: 397 [2019-11-20 09:27:36,448 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:27:36,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-11-20 09:27:36,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 266. [2019-11-20 09:27:36,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-11-20 09:27:36,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2019-11-20 09:27:36,503 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 118 [2019-11-20 09:27:36,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:36,504 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2019-11-20 09:27:36,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:27:36,504 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2019-11-20 09:27:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-20 09:27:36,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:36,508 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:36,508 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:36,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:36,509 INFO L82 PathProgramCache]: Analyzing trace with hash 520774714, now seen corresponding path program 1 times [2019-11-20 09:27:36,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:36,509 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678829948] [2019-11-20 09:27:36,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:36,580 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:36,580 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678829948] [2019-11-20 09:27:36,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:36,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:27:36,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020786366] [2019-11-20 09:27:36,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:27:36,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:36,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:27:36,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:27:36,584 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 4 states. [2019-11-20 09:27:37,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:37,411 INFO L93 Difference]: Finished difference Result 1054 states and 1512 transitions. [2019-11-20 09:27:37,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:27:37,412 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2019-11-20 09:27:37,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:37,417 INFO L225 Difference]: With dead ends: 1054 [2019-11-20 09:27:37,417 INFO L226 Difference]: Without dead ends: 790 [2019-11-20 09:27:37,420 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:27:37,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-11-20 09:27:37,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-11-20 09:27:37,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-11-20 09:27:37,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1068 transitions. [2019-11-20 09:27:37,470 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1068 transitions. Word has length 124 [2019-11-20 09:27:37,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:37,470 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1068 transitions. [2019-11-20 09:27:37,470 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:27:37,471 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1068 transitions. [2019-11-20 09:27:37,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-20 09:27:37,477 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:37,478 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:37,478 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:37,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:37,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1772838714, now seen corresponding path program 1 times [2019-11-20 09:27:37,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:37,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945192890] [2019-11-20 09:27:37,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 09:27:37,595 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945192890] [2019-11-20 09:27:37,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:37,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:27:37,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586253066] [2019-11-20 09:27:37,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:27:37,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:37,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:27:37,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:27:37,597 INFO L87 Difference]: Start difference. First operand 790 states and 1068 transitions. Second operand 3 states. [2019-11-20 09:27:38,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:38,051 INFO L93 Difference]: Finished difference Result 2233 states and 3001 transitions. [2019-11-20 09:27:38,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:27:38,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2019-11-20 09:27:38,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:38,062 INFO L225 Difference]: With dead ends: 2233 [2019-11-20 09:27:38,063 INFO L226 Difference]: Without dead ends: 1445 [2019-11-20 09:27:38,065 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:27:38,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2019-11-20 09:27:38,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1183. [2019-11-20 09:27:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2019-11-20 09:27:38,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1496 transitions. [2019-11-20 09:27:38,108 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1496 transitions. Word has length 125 [2019-11-20 09:27:38,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:38,109 INFO L462 AbstractCegarLoop]: Abstraction has 1183 states and 1496 transitions. [2019-11-20 09:27:38,109 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:27:38,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1496 transitions. [2019-11-20 09:27:38,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 09:27:38,123 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:38,123 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:38,123 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:38,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:38,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1189668884, now seen corresponding path program 1 times [2019-11-20 09:27:38,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:38,124 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707238255] [2019-11-20 09:27:38,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:38,233 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 09:27:38,233 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707238255] [2019-11-20 09:27:38,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:38,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:27:38,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145099346] [2019-11-20 09:27:38,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:27:38,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:38,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:27:38,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:27:38,236 INFO L87 Difference]: Start difference. First operand 1183 states and 1496 transitions. Second operand 3 states. [2019-11-20 09:27:38,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:38,763 INFO L93 Difference]: Finished difference Result 2757 states and 3510 transitions. [2019-11-20 09:27:38,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:27:38,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2019-11-20 09:27:38,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:38,773 INFO L225 Difference]: With dead ends: 2757 [2019-11-20 09:27:38,773 INFO L226 Difference]: Without dead ends: 1576 [2019-11-20 09:27:38,776 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:27:38,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2019-11-20 09:27:38,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1314. [2019-11-20 09:27:38,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2019-11-20 09:27:38,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1658 transitions. [2019-11-20 09:27:38,820 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1658 transitions. Word has length 141 [2019-11-20 09:27:38,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:38,821 INFO L462 AbstractCegarLoop]: Abstraction has 1314 states and 1658 transitions. [2019-11-20 09:27:38,821 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:27:38,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1658 transitions. [2019-11-20 09:27:38,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-20 09:27:38,824 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:38,825 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:38,825 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:38,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:38,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1199714519, now seen corresponding path program 1 times [2019-11-20 09:27:38,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:38,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550189445] [2019-11-20 09:27:38,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 09:27:38,928 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550189445] [2019-11-20 09:27:38,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:38,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:27:38,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400409467] [2019-11-20 09:27:38,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:27:38,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:38,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:27:38,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:27:38,931 INFO L87 Difference]: Start difference. First operand 1314 states and 1658 transitions. Second operand 3 states. [2019-11-20 09:27:39,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:39,497 INFO L93 Difference]: Finished difference Result 3281 states and 4119 transitions. [2019-11-20 09:27:39,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:27:39,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-11-20 09:27:39,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:39,508 INFO L225 Difference]: With dead ends: 3281 [2019-11-20 09:27:39,508 INFO L226 Difference]: Without dead ends: 1969 [2019-11-20 09:27:39,510 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:27:39,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2019-11-20 09:27:39,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1576. [2019-11-20 09:27:39,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-11-20 09:27:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1962 transitions. [2019-11-20 09:27:39,545 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1962 transitions. Word has length 152 [2019-11-20 09:27:39,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:39,546 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1962 transitions. [2019-11-20 09:27:39,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:27:39,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1962 transitions. [2019-11-20 09:27:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 09:27:39,550 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:39,550 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:39,550 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:39,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:39,551 INFO L82 PathProgramCache]: Analyzing trace with hash -336243861, now seen corresponding path program 1 times [2019-11-20 09:27:39,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:39,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352120528] [2019-11-20 09:27:39,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:39,655 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 09:27:39,655 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352120528] [2019-11-20 09:27:39,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:39,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:27:39,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595869364] [2019-11-20 09:27:39,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:27:39,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:39,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:27:39,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:27:39,658 INFO L87 Difference]: Start difference. First operand 1576 states and 1962 transitions. Second operand 4 states. [2019-11-20 09:27:40,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:40,286 INFO L93 Difference]: Finished difference Result 3286 states and 4070 transitions. [2019-11-20 09:27:40,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 09:27:40,287 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2019-11-20 09:27:40,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:40,295 INFO L225 Difference]: With dead ends: 3286 [2019-11-20 09:27:40,295 INFO L226 Difference]: Without dead ends: 1712 [2019-11-20 09:27:40,297 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:27:40,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2019-11-20 09:27:40,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1707. [2019-11-20 09:27:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2019-11-20 09:27:40,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2099 transitions. [2019-11-20 09:27:40,332 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2099 transitions. Word has length 160 [2019-11-20 09:27:40,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:40,332 INFO L462 AbstractCegarLoop]: Abstraction has 1707 states and 2099 transitions. [2019-11-20 09:27:40,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:27:40,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2099 transitions. [2019-11-20 09:27:40,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-20 09:27:40,337 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:40,337 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:40,337 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:40,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:40,341 INFO L82 PathProgramCache]: Analyzing trace with hash 897010083, now seen corresponding path program 1 times [2019-11-20 09:27:40,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:40,341 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919484015] [2019-11-20 09:27:40,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:40,471 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 09:27:40,471 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919484015] [2019-11-20 09:27:40,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:40,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:27:40,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488377113] [2019-11-20 09:27:40,473 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 09:27:40,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:40,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:27:40,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:27:40,476 INFO L87 Difference]: Start difference. First operand 1707 states and 2099 transitions. Second operand 5 states. [2019-11-20 09:27:41,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:41,465 INFO L93 Difference]: Finished difference Result 3805 states and 4667 transitions. [2019-11-20 09:27:41,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 09:27:41,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2019-11-20 09:27:41,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:41,475 INFO L225 Difference]: With dead ends: 3805 [2019-11-20 09:27:41,476 INFO L226 Difference]: Without dead ends: 2231 [2019-11-20 09:27:41,478 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:27:41,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2019-11-20 09:27:41,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1969. [2019-11-20 09:27:41,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2019-11-20 09:27:41,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2372 transitions. [2019-11-20 09:27:41,518 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2372 transitions. Word has length 164 [2019-11-20 09:27:41,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:41,518 INFO L462 AbstractCegarLoop]: Abstraction has 1969 states and 2372 transitions. [2019-11-20 09:27:41,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 09:27:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2372 transitions. [2019-11-20 09:27:41,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-20 09:27:41,523 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:41,523 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:41,523 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:41,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:41,524 INFO L82 PathProgramCache]: Analyzing trace with hash -114948098, now seen corresponding path program 1 times [2019-11-20 09:27:41,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:41,524 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132274830] [2019-11-20 09:27:41,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:41,572 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 09:27:41,572 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132274830] [2019-11-20 09:27:41,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:41,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:27:41,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931296711] [2019-11-20 09:27:41,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:27:41,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:41,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:27:41,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:27:41,574 INFO L87 Difference]: Start difference. First operand 1969 states and 2372 transitions. Second operand 3 states. [2019-11-20 09:27:42,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:42,038 INFO L93 Difference]: Finished difference Result 4067 states and 4885 transitions. [2019-11-20 09:27:42,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:27:42,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-11-20 09:27:42,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:42,047 INFO L225 Difference]: With dead ends: 4067 [2019-11-20 09:27:42,047 INFO L226 Difference]: Without dead ends: 1969 [2019-11-20 09:27:42,049 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:27:42,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2019-11-20 09:27:42,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1707. [2019-11-20 09:27:42,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2019-11-20 09:27:42,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1860 transitions. [2019-11-20 09:27:42,083 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1860 transitions. Word has length 167 [2019-11-20 09:27:42,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:42,084 INFO L462 AbstractCegarLoop]: Abstraction has 1707 states and 1860 transitions. [2019-11-20 09:27:42,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:27:42,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1860 transitions. [2019-11-20 09:27:42,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-20 09:27:42,089 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:42,089 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:42,090 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:42,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:42,090 INFO L82 PathProgramCache]: Analyzing trace with hash 266977410, now seen corresponding path program 1 times [2019-11-20 09:27:42,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:42,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168146434] [2019-11-20 09:27:42,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 09:27:42,201 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168146434] [2019-11-20 09:27:42,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:42,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:27:42,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572501494] [2019-11-20 09:27:42,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:27:42,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:42,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:27:42,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:27:42,208 INFO L87 Difference]: Start difference. First operand 1707 states and 1860 transitions. Second operand 3 states. [2019-11-20 09:27:42,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:42,601 INFO L93 Difference]: Finished difference Result 3412 states and 3718 transitions. [2019-11-20 09:27:42,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:27:42,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2019-11-20 09:27:42,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:42,609 INFO L225 Difference]: With dead ends: 3412 [2019-11-20 09:27:42,609 INFO L226 Difference]: Without dead ends: 1707 [2019-11-20 09:27:42,611 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:27:42,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-11-20 09:27:42,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1707. [2019-11-20 09:27:42,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2019-11-20 09:27:42,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1855 transitions. [2019-11-20 09:27:42,643 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1855 transitions. Word has length 182 [2019-11-20 09:27:42,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:42,644 INFO L462 AbstractCegarLoop]: Abstraction has 1707 states and 1855 transitions. [2019-11-20 09:27:42,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:27:42,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1855 transitions. [2019-11-20 09:27:42,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-11-20 09:27:42,649 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:42,649 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:42,649 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:42,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:42,650 INFO L82 PathProgramCache]: Analyzing trace with hash 912734582, now seen corresponding path program 1 times [2019-11-20 09:27:42,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:42,650 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462803504] [2019-11-20 09:27:42,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:42,840 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 09:27:42,840 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462803504] [2019-11-20 09:27:42,841 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274866241] [2019-11-20 09:27:42,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:27:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:42,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 09:27:42,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:27:43,075 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-20 09:27:43,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 09:27:43,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-20 09:27:43,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704583867] [2019-11-20 09:27:43,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:27:43,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:43,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:27:43,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:27:43,080 INFO L87 Difference]: Start difference. First operand 1707 states and 1855 transitions. Second operand 3 states. [2019-11-20 09:27:43,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:43,511 INFO L93 Difference]: Finished difference Result 2626 states and 2840 transitions. [2019-11-20 09:27:43,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:27:43,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2019-11-20 09:27:43,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:43,523 INFO L225 Difference]: With dead ends: 2626 [2019-11-20 09:27:43,523 INFO L226 Difference]: Without dead ends: 2493 [2019-11-20 09:27:43,525 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 211 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:27:43,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2019-11-20 09:27:43,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 1838. [2019-11-20 09:27:43,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-11-20 09:27:43,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 1989 transitions. [2019-11-20 09:27:43,570 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 1989 transitions. Word has length 211 [2019-11-20 09:27:43,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:43,571 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 1989 transitions. [2019-11-20 09:27:43,571 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:27:43,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 1989 transitions. [2019-11-20 09:27:43,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-20 09:27:43,577 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:43,577 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:43,782 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:27:43,782 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:43,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:43,783 INFO L82 PathProgramCache]: Analyzing trace with hash -872204405, now seen corresponding path program 1 times [2019-11-20 09:27:43,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:43,783 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255709755] [2019-11-20 09:27:43,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:44,667 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 09:27:44,668 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255709755] [2019-11-20 09:27:44,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:44,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-20 09:27:44,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532759138] [2019-11-20 09:27:44,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-20 09:27:44,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:44,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-20 09:27:44,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=89, Unknown=0, NotChecked=0, Total=156 [2019-11-20 09:27:44,669 INFO L87 Difference]: Start difference. First operand 1838 states and 1989 transitions. Second operand 13 states. [2019-11-20 09:27:45,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:45,726 INFO L93 Difference]: Finished difference Result 4256 states and 4613 transitions. [2019-11-20 09:27:45,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 09:27:45,727 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 253 [2019-11-20 09:27:45,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:45,735 INFO L225 Difference]: With dead ends: 4256 [2019-11-20 09:27:45,736 INFO L226 Difference]: Without dead ends: 2420 [2019-11-20 09:27:45,738 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=132, Invalid=174, Unknown=0, NotChecked=0, Total=306 [2019-11-20 09:27:45,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2420 states. [2019-11-20 09:27:45,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2420 to 1896. [2019-11-20 09:27:45,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1896 states. [2019-11-20 09:27:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1896 states and 2050 transitions. [2019-11-20 09:27:45,773 INFO L78 Accepts]: Start accepts. Automaton has 1896 states and 2050 transitions. Word has length 253 [2019-11-20 09:27:45,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:45,773 INFO L462 AbstractCegarLoop]: Abstraction has 1896 states and 2050 transitions. [2019-11-20 09:27:45,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-20 09:27:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2050 transitions. [2019-11-20 09:27:45,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-11-20 09:27:45,780 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:45,780 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:27:45,780 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:45,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:45,781 INFO L82 PathProgramCache]: Analyzing trace with hash 462319416, now seen corresponding path program 1 times [2019-11-20 09:27:45,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:45,781 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582662417] [2019-11-20 09:27:45,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:46,060 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2019-11-20 09:27:46,061 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582662417] [2019-11-20 09:27:46,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:46,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 09:27:46,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431349843] [2019-11-20 09:27:46,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 09:27:46,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:46,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 09:27:46,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-20 09:27:46,063 INFO L87 Difference]: Start difference. First operand 1896 states and 2050 transitions. Second operand 6 states. [2019-11-20 09:27:46,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:46,792 INFO L93 Difference]: Finished difference Result 4221 states and 4562 transitions. [2019-11-20 09:27:46,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 09:27:46,792 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 280 [2019-11-20 09:27:46,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:46,801 INFO L225 Difference]: With dead ends: 4221 [2019-11-20 09:27:46,801 INFO L226 Difference]: Without dead ends: 2327 [2019-11-20 09:27:46,803 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-20 09:27:46,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2019-11-20 09:27:46,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 2027. [2019-11-20 09:27:46,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2027 states. [2019-11-20 09:27:46,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 2027 states and 2180 transitions. [2019-11-20 09:27:46,841 INFO L78 Accepts]: Start accepts. Automaton has 2027 states and 2180 transitions. Word has length 280 [2019-11-20 09:27:46,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:46,842 INFO L462 AbstractCegarLoop]: Abstraction has 2027 states and 2180 transitions. [2019-11-20 09:27:46,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 09:27:46,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2180 transitions. [2019-11-20 09:27:46,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-11-20 09:27:46,848 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:46,849 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-20 09:27:46,849 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:46,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:46,849 INFO L82 PathProgramCache]: Analyzing trace with hash 693576989, now seen corresponding path program 1 times [2019-11-20 09:27:46,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:46,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958949957] [2019-11-20 09:27:46,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:47,105 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-11-20 09:27:47,106 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958949957] [2019-11-20 09:27:47,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:47,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 09:27:47,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152172198] [2019-11-20 09:27:47,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 09:27:47,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:47,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:27:47,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:27:47,108 INFO L87 Difference]: Start difference. First operand 2027 states and 2180 transitions. Second operand 5 states. [2019-11-20 09:27:48,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:48,015 INFO L93 Difference]: Finished difference Result 4969 states and 5350 transitions. [2019-11-20 09:27:48,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 09:27:48,015 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 291 [2019-11-20 09:27:48,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:48,024 INFO L225 Difference]: With dead ends: 4969 [2019-11-20 09:27:48,024 INFO L226 Difference]: Without dead ends: 1896 [2019-11-20 09:27:48,026 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:27:48,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2019-11-20 09:27:48,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1896. [2019-11-20 09:27:48,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1896 states. [2019-11-20 09:27:48,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1896 states and 1999 transitions. [2019-11-20 09:27:48,066 INFO L78 Accepts]: Start accepts. Automaton has 1896 states and 1999 transitions. Word has length 291 [2019-11-20 09:27:48,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:48,067 INFO L462 AbstractCegarLoop]: Abstraction has 1896 states and 1999 transitions. [2019-11-20 09:27:48,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 09:27:48,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 1999 transitions. [2019-11-20 09:27:48,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-11-20 09:27:48,076 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:27:48,077 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-20 09:27:48,077 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:27:48,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:48,077 INFO L82 PathProgramCache]: Analyzing trace with hash -591222129, now seen corresponding path program 1 times [2019-11-20 09:27:48,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:27:48,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930640854] [2019-11-20 09:27:48,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:27:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-11-20 09:27:48,333 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930640854] [2019-11-20 09:27:48,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:27:48,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:27:48,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240967697] [2019-11-20 09:27:48,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:27:48,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:27:48,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:27:48,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:27:48,335 INFO L87 Difference]: Start difference. First operand 1896 states and 1999 transitions. Second operand 4 states. [2019-11-20 09:27:48,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:27:48,860 INFO L93 Difference]: Finished difference Result 3657 states and 3861 transitions. [2019-11-20 09:27:48,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:27:48,861 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 302 [2019-11-20 09:27:48,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:27:48,861 INFO L225 Difference]: With dead ends: 3657 [2019-11-20 09:27:48,861 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 09:27:48,864 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 [2019-11-20 09:27:48,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 09:27:48,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 09:27:48,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 09:27:48,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 09:27:48,864 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 302 [2019-11-20 09:27:48,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:27:48,865 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:27:48,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:27:48,865 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:27:48,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:27:48,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 09:27:49,006 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 107 [2019-11-20 09:27:49,139 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 106 [2019-11-20 09:27:49,691 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 54 [2019-11-20 09:27:50,083 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 54 [2019-11-20 09:27:50,085 INFO L444 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-20 09:27:50,086 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-20 09:27:50,086 INFO L444 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,086 INFO L444 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,086 INFO L444 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,086 INFO L444 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,086 INFO L444 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,086 INFO L444 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,086 INFO L444 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-20 09:27:50,086 INFO L444 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-20 09:27:50,086 INFO L444 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-20 09:27:50,086 INFO L444 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-20 09:27:50,086 INFO L444 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-20 09:27:50,086 INFO L444 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-20 09:27:50,086 INFO L444 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-20 09:27:50,087 INFO L444 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-20 09:27:50,087 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-20 09:27:50,087 INFO L444 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-20 09:27:50,087 INFO L444 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,087 INFO L444 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,087 INFO L444 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,087 INFO L444 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,087 INFO L444 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,087 INFO L444 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,087 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-20 09:27:50,087 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-20 09:27:50,087 INFO L444 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-20 09:27:50,088 INFO L444 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-20 09:27:50,088 INFO L444 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-20 09:27:50,088 INFO L444 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-20 09:27:50,088 INFO L444 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-20 09:27:50,088 INFO L444 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-20 09:27:50,088 INFO L444 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-20 09:27:50,088 INFO L444 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-20 09:27:50,088 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-20 09:27:50,088 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-20 09:27:50,088 INFO L444 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-20 09:27:50,088 INFO L444 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-20 09:27:50,088 INFO L444 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-20 09:27:50,089 INFO L444 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,089 INFO L444 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,089 INFO L444 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,089 INFO L444 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,089 INFO L444 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,089 INFO L444 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-20 09:27:50,089 INFO L444 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-20 09:27:50,089 INFO L444 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-20 09:27:50,089 INFO L444 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-20 09:27:50,089 INFO L444 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-20 09:27:50,089 INFO L444 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-20 09:27:50,089 INFO L444 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-20 09:27:50,090 INFO L444 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-20 09:27:50,090 INFO L444 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-20 09:27:50,090 INFO L440 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse8 (= ~a16~0 6))) (let ((.cse0 (= 1 ~a7~0)) (.cse1 (not .cse8)) (.cse3 (= ~a20~0 1)) (.cse2 (= ~a17~0 1)) (.cse7 (not (= ~a7~0 1))) (.cse5 (= ~a12~0 8)) (.cse4 (= ~a21~0 1)) (.cse6 (= 15 ~a8~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3) (and .cse1 .cse4 (= 14 ~a8~0)) (and .cse0 .cse1 .cse5 .cse4 .cse6) (and (or (= 2 ULTIMATE.start_calculate_output_~input) (= 4 ULTIMATE.start_calculate_output_~input) (= 3 ULTIMATE.start_calculate_output_~input) (= 6 ULTIMATE.start_calculate_output_~input) (= 1 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input)) (= ~a16~0 4) .cse5 (<= ~a17~0 0) .cse4 .cse6 (<= ~a20~0 0)) (and (and .cse7 .cse1 .cse4) (not .cse6)) (and .cse3 .cse4) (and (<= 15 ~a8~0) .cse4 (= 5 ~a16~0)) (and .cse7 .cse2 .cse5 .cse4 .cse6) (and .cse7 .cse5 .cse4 .cse6 .cse8)))) [2019-11-20 09:27:50,090 INFO L444 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,090 INFO L444 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,090 INFO L444 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,090 INFO L444 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,091 INFO L444 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,091 INFO L444 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-20 09:27:50,091 INFO L444 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-20 09:27:50,091 INFO L444 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-20 09:27:50,091 INFO L444 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-20 09:27:50,091 INFO L444 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-20 09:27:50,091 INFO L444 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-20 09:27:50,091 INFO L444 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-20 09:27:50,091 INFO L444 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-20 09:27:50,091 INFO L444 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-20 09:27:50,091 INFO L444 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-20 09:27:50,091 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-20 09:27:50,092 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-20 09:27:50,092 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-20 09:27:50,092 INFO L447 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-11-20 09:27:50,092 INFO L444 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,092 INFO L444 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,092 INFO L444 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,092 INFO L444 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,092 INFO L444 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,092 INFO L444 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-20 09:27:50,092 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-20 09:27:50,092 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-20 09:27:50,092 INFO L444 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-20 09:27:50,093 INFO L444 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-20 09:27:50,093 INFO L444 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-20 09:27:50,093 INFO L444 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-20 09:27:50,093 INFO L444 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-20 09:27:50,093 INFO L444 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-20 09:27:50,093 INFO L444 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,093 INFO L444 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,093 INFO L444 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,093 INFO L444 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,093 INFO L444 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-20 09:27:50,093 INFO L444 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,093 INFO L444 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-20 09:27:50,094 INFO L444 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-20 09:27:50,094 INFO L444 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-20 09:27:50,094 INFO L444 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-20 09:27:50,094 INFO L444 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-20 09:27:50,094 INFO L444 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-20 09:27:50,094 INFO L444 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-20 09:27:50,094 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 09:27:50,094 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-20 09:27:50,094 INFO L444 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-20 09:27:50,094 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-20 09:27:50,094 INFO L444 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-20 09:27:50,094 INFO L444 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-20 09:27:50,095 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-20 09:27:50,095 INFO L444 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,095 INFO L440 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse8 (= ~a16~0 6))) (let ((.cse0 (= 1 ~a7~0)) (.cse1 (not .cse8)) (.cse3 (= ~a20~0 1)) (.cse2 (= ~a17~0 1)) (.cse7 (not (= ~a7~0 1))) (.cse5 (= ~a12~0 8)) (.cse4 (= ~a21~0 1)) (.cse6 (= 15 ~a8~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3) (and .cse1 .cse4 (= 14 ~a8~0)) (and .cse0 .cse1 .cse5 .cse4 .cse6) (and (or (= 2 ULTIMATE.start_calculate_output_~input) (= 4 ULTIMATE.start_calculate_output_~input) (= 3 ULTIMATE.start_calculate_output_~input) (= 6 ULTIMATE.start_calculate_output_~input) (= 1 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input)) (= ~a16~0 4) .cse5 (<= ~a17~0 0) .cse4 .cse6 (<= ~a20~0 0)) (and (and .cse7 .cse1 .cse4) (not .cse6)) (and .cse3 .cse4) (and (<= 15 ~a8~0) .cse4 (= 5 ~a16~0)) (and .cse7 .cse2 .cse5 .cse4 .cse6) (and .cse7 .cse5 .cse4 .cse6 .cse8)))) [2019-11-20 09:27:50,095 INFO L444 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,095 INFO L444 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,095 INFO L444 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,095 INFO L444 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,095 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-20 09:27:50,095 INFO L444 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-20 09:27:50,095 INFO L444 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-20 09:27:50,096 INFO L444 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-20 09:27:50,096 INFO L444 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-20 09:27:50,096 INFO L444 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-20 09:27:50,096 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-20 09:27:50,096 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-20 09:27:50,096 INFO L444 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,096 INFO L444 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,096 INFO L444 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,096 INFO L444 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,096 INFO L444 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,096 INFO L444 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-20 09:27:50,096 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 09:27:50,096 INFO L444 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-20 09:27:50,097 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-20 09:27:50,097 INFO L444 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-20 09:27:50,097 INFO L444 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-20 09:27:50,097 INFO L444 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-20 09:27:50,097 INFO L444 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-20 09:27:50,097 INFO L444 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-20 09:27:50,097 INFO L444 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-20 09:27:50,097 INFO L444 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-20 09:27:50,097 INFO L444 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-20 09:27:50,097 INFO L444 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-20 09:27:50,097 INFO L444 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,097 INFO L444 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,097 INFO L444 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,098 INFO L444 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,098 INFO L444 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-20 09:27:50,098 INFO L444 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,098 INFO L444 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,098 INFO L444 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-20 09:27:50,098 INFO L444 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-20 09:27:50,098 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 09:27:50,098 INFO L444 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-20 09:27:50,098 INFO L444 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-20 09:27:50,098 INFO L444 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-20 09:27:50,098 INFO L444 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-20 09:27:50,098 INFO L444 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-20 09:27:50,098 INFO L444 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-20 09:27:50,101 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-20 09:27:50,101 INFO L444 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-20 09:27:50,101 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-20 09:27:50,102 INFO L444 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-20 09:27:50,102 INFO L444 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,102 INFO L444 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,102 INFO L444 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,102 INFO L444 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,102 INFO L444 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,102 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-20 09:27:50,103 INFO L444 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,103 INFO L444 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-20 09:27:50,103 INFO L444 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-20 09:27:50,103 INFO L444 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-20 09:27:50,103 INFO L444 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-20 09:27:50,103 INFO L444 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-20 09:27:50,103 INFO L444 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-20 09:27:50,103 INFO L444 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-20 09:27:50,104 INFO L444 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-20 09:27:50,104 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-20 09:27:50,104 INFO L444 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-20 09:27:50,104 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-20 09:27:50,104 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 09:27:50,104 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 530) no Hoare annotation was computed. [2019-11-20 09:27:50,104 INFO L444 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-20 09:27:50,105 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-20 09:27:50,105 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-20 09:27:50,105 INFO L444 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,105 INFO L444 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,105 INFO L444 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,105 INFO L444 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,105 INFO L444 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,106 INFO L444 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 09:27:50,106 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-20 09:27:50,106 INFO L444 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-20 09:27:50,106 INFO L444 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-20 09:27:50,106 INFO L444 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-20 09:27:50,106 INFO L444 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-20 09:27:50,106 INFO L444 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-20 09:27:50,106 INFO L444 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-20 09:27:50,107 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-20 09:27:50,107 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-20 09:27:50,107 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-20 09:27:50,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:27:50 BoogieIcfgContainer [2019-11-20 09:27:50,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:27:50,127 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:27:50,127 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:27:50,127 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:27:50,128 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:34" (3/4) ... [2019-11-20 09:27:50,135 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:27:50,164 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 09:27:50,165 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 09:27:50,375 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e7e5c045-b4a4-4101-9ecc-84bb591ce2bf/bin/uautomizer/witness.graphml [2019-11-20 09:27:50,375 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:27:50,376 INFO L168 Benchmark]: Toolchain (without parser) took 18079.65 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 492.3 MB). Free memory was 943.4 MB in the beginning and 982.5 MB in the end (delta: -39.2 MB). Peak memory consumption was 453.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:27:50,377 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:27:50,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:27:50,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.57 ms. Allocated memory is still 1.1 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. [2019-11-20 09:27:50,378 INFO L168 Benchmark]: Boogie Preprocessor took 86.53 ms. Allocated memory is still 1.1 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. [2019-11-20 09:27:50,378 INFO L168 Benchmark]: RCFGBuilder took 1375.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 969.3 MB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. [2019-11-20 09:27:50,379 INFO L168 Benchmark]: TraceAbstraction took 15630.58 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 375.9 MB). Free memory was 969.3 MB in the beginning and 1.0 GB in the end (delta: -30.9 MB). Peak memory consumption was 345.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:27:50,379 INFO L168 Benchmark]: Witness Printer took 248.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 982.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:27:50,381 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 639.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.57 ms. Allocated memory is still 1.1 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 86.53 ms. Allocated memory is still 1.1 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 1375.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 969.3 MB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15630.58 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 375.9 MB). Free memory was 969.3 MB in the beginning and 1.0 GB in the end (delta: -30.9 MB). Peak memory consumption was 345.0 MB. Max. memory is 11.5 GB. * Witness Printer took 248.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 982.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 530]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((1 == a7 && !(a16 == 6)) && a17 == 1) || (1 == a7 && a20 == 1)) || ((!(a16 == 6) && a21 == 1) && 14 == a8)) || ((((1 == a7 && !(a16 == 6)) && a12 == 8) && a21 == 1) && 15 == a8)) || (((((((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && a16 == 4) && a12 == 8) && a17 <= 0) && a21 == 1) && 15 == a8) && a20 <= 0)) || (((!(a7 == 1) && !(a16 == 6)) && a21 == 1) && !(15 == a8))) || (a20 == 1 && a21 == 1)) || ((15 <= a8 && a21 == 1) && 5 == a16)) || ((((!(a7 == 1) && a17 == 1) && a12 == 8) && a21 == 1) && 15 == a8)) || ((((!(a7 == 1) && a12 == 8) && a21 == 1) && 15 == a8) && a16 == 6) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((1 == a7 && !(a16 == 6)) && a17 == 1) || (1 == a7 && a20 == 1)) || ((!(a16 == 6) && a21 == 1) && 14 == a8)) || ((((1 == a7 && !(a16 == 6)) && a12 == 8) && a21 == 1) && 15 == a8)) || (((((((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && a16 == 4) && a12 == 8) && a17 <= 0) && a21 == 1) && 15 == a8) && a20 <= 0)) || (((!(a7 == 1) && !(a16 == 6)) && a21 == 1) && !(15 == a8))) || (a20 == 1 && a21 == 1)) || ((15 <= a8 && a21 == 1) && 5 == a16)) || ((((!(a7 == 1) && a17 == 1) && a12 == 8) && a21 == 1) && 15 == a8)) || ((((!(a7 == 1) && a12 == 8) && a21 == 1) && 15 == a8) && a16 == 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 15.5s, OverallIterations: 14, TraceHistogramMax: 5, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, HoareTripleCheckerStatistics: 833 SDtfs, 2921 SDslu, 164 SDs, 0 SdLazy, 7765 SolverSat, 980 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 282 GetRequests, 234 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2027occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 3056 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 56 NumberOfFragments, 307 HoareAnnotationTreeSize, 3 FomulaSimplifications, 52856 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2662 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2881 NumberOfCodeBlocks, 2881 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2866 ConstructedInterpolants, 0 QuantifiedInterpolants, 2100435 SizeOfPredicates, 1 NumberOfNonLiveVariables, 387 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 2023/2050 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...