./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 724fb2d5eb33b2f1563a1f753919b88185f2f4bb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:13:07,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:13:07,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:13:07,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:13:07,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:13:07,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:13:07,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:13:07,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:13:07,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:13:08,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:13:08,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:13:08,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:13:08,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:13:08,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:13:08,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:13:08,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:13:08,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:13:08,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:13:08,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:13:08,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:13:08,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:13:08,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:13:08,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:13:08,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:13:08,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:13:08,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:13:08,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:13:08,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:13:08,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:13:08,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:13:08,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:13:08,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:13:08,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:13:08,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:13:08,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:13:08,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:13:08,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:13:08,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:13:08,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:13:08,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:13:08,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:13:08,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:13:08,085 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:13:08,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:13:08,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:13:08,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:13:08,088 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:13:08,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:13:08,088 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:13:08,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:13:08,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:13:08,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:13:08,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:13:08,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:13:08,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:13:08,090 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:13:08,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:13:08,091 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:13:08,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:13:08,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:13:08,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:13:08,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:13:08,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:13:08,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:13:08,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:13:08,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:13:08,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:13:08,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:13:08,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:13:08,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:13:08,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:13:08,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 724fb2d5eb33b2f1563a1f753919b88185f2f4bb [2020-11-30 01:13:08,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:13:08,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:13:08,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:13:08,451 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:13:08,452 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:13:08,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/../../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c [2020-11-30 01:13:08,565 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/data/baefb2326/eb251e3466a04187b67951f9893de642/FLAGe398e5189 [2020-11-30 01:13:09,105 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:13:09,106 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c [2020-11-30 01:13:09,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/data/baefb2326/eb251e3466a04187b67951f9893de642/FLAGe398e5189 [2020-11-30 01:13:09,462 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/data/baefb2326/eb251e3466a04187b67951f9893de642 [2020-11-30 01:13:09,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:13:09,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:13:09,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:13:09,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:13:09,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:13:09,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:13:09" (1/1) ... [2020-11-30 01:13:09,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109fc593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:09, skipping insertion in model container [2020-11-30 01:13:09,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:13:09" (1/1) ... [2020-11-30 01:13:09,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:13:09,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:13:09,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:13:09,893 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:13:09,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:13:10,023 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:13:10,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:10 WrapperNode [2020-11-30 01:13:10,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:13:10,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:13:10,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:13:10,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:13:10,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:10" (1/1) ... [2020-11-30 01:13:10,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:10" (1/1) ... [2020-11-30 01:13:10,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:13:10,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:13:10,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:13:10,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:13:10,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:10" (1/1) ... [2020-11-30 01:13:10,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:10" (1/1) ... [2020-11-30 01:13:10,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:10" (1/1) ... [2020-11-30 01:13:10,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:10" (1/1) ... [2020-11-30 01:13:10,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:10" (1/1) ... [2020-11-30 01:13:10,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:10" (1/1) ... [2020-11-30 01:13:10,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:10" (1/1) ... [2020-11-30 01:13:10,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:13:10,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:13:10,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:13:10,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:13:10,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/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 [2020-11-30 01:13:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:13:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:13:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:13:10,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:13:10,664 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 01:13:11,603 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-11-30 01:13:11,604 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-11-30 01:13:11,626 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:13:11,626 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:13:11,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:13:11 BoogieIcfgContainer [2020-11-30 01:13:11,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:13:11,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:13:11,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:13:11,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:13:11,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:13:09" (1/3) ... [2020-11-30 01:13:11,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74fad1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:13:11, skipping insertion in model container [2020-11-30 01:13:11,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:13:10" (2/3) ... [2020-11-30 01:13:11,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74fad1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:13:11, skipping insertion in model container [2020-11-30 01:13:11,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:13:11" (3/3) ... [2020-11-30 01:13:11,647 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil-1.c [2020-11-30 01:13:11,666 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:13:11,672 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:13:11,686 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:13:11,733 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:13:11,733 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:13:11,733 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:13:11,733 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:13:11,734 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:13:11,734 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:13:11,734 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:13:11,734 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:13:11,754 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2020-11-30 01:13:11,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 01:13:11,765 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:11,766 INFO L422 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] [2020-11-30 01:13:11,766 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:11,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:11,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1632005994, now seen corresponding path program 1 times [2020-11-30 01:13:11,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:11,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339807322] [2020-11-30 01:13:11,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:13:12,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339807322] [2020-11-30 01:13:12,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:12,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:12,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531915266] [2020-11-30 01:13:12,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:12,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:12,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:12,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:12,145 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 3 states. [2020-11-30 01:13:12,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:12,608 INFO L93 Difference]: Finished difference Result 329 states and 565 transitions. [2020-11-30 01:13:12,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:12,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-11-30 01:13:12,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:12,626 INFO L225 Difference]: With dead ends: 329 [2020-11-30 01:13:12,626 INFO L226 Difference]: Without dead ends: 175 [2020-11-30 01:13:12,630 INFO L677 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 [2020-11-30 01:13:12,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-11-30 01:13:12,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 170. [2020-11-30 01:13:12,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-11-30 01:13:12,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 275 transitions. [2020-11-30 01:13:12,694 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 275 transitions. Word has length 44 [2020-11-30 01:13:12,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:12,695 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 275 transitions. [2020-11-30 01:13:12,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:12,696 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 275 transitions. [2020-11-30 01:13:12,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 01:13:12,699 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:12,699 INFO L422 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] [2020-11-30 01:13:12,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:13:12,700 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:12,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:12,701 INFO L82 PathProgramCache]: Analyzing trace with hash -954576436, now seen corresponding path program 1 times [2020-11-30 01:13:12,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:12,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856271221] [2020-11-30 01:13:12,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:13:12,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856271221] [2020-11-30 01:13:12,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:12,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:12,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475455569] [2020-11-30 01:13:12,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:12,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:12,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:12,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:12,880 INFO L87 Difference]: Start difference. First operand 170 states and 275 transitions. Second operand 3 states. [2020-11-30 01:13:13,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:13,199 INFO L93 Difference]: Finished difference Result 380 states and 624 transitions. [2020-11-30 01:13:13,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:13,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-11-30 01:13:13,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:13,203 INFO L225 Difference]: With dead ends: 380 [2020-11-30 01:13:13,203 INFO L226 Difference]: Without dead ends: 216 [2020-11-30 01:13:13,205 INFO L677 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 [2020-11-30 01:13:13,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-11-30 01:13:13,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 211. [2020-11-30 01:13:13,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-11-30 01:13:13,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 352 transitions. [2020-11-30 01:13:13,238 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 352 transitions. Word has length 45 [2020-11-30 01:13:13,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:13,240 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 352 transitions. [2020-11-30 01:13:13,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 352 transitions. [2020-11-30 01:13:13,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-30 01:13:13,253 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:13,254 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:13,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:13:13,255 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:13,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:13,257 INFO L82 PathProgramCache]: Analyzing trace with hash 2071968837, now seen corresponding path program 1 times [2020-11-30 01:13:13,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:13,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405369096] [2020-11-30 01:13:13,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:13:13,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405369096] [2020-11-30 01:13:13,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:13,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:13,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499687535] [2020-11-30 01:13:13,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:13,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:13,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:13,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:13,376 INFO L87 Difference]: Start difference. First operand 211 states and 352 transitions. Second operand 3 states. [2020-11-30 01:13:13,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:13,653 INFO L93 Difference]: Finished difference Result 445 states and 750 transitions. [2020-11-30 01:13:13,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:13,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-11-30 01:13:13,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:13,657 INFO L225 Difference]: With dead ends: 445 [2020-11-30 01:13:13,658 INFO L226 Difference]: Without dead ends: 242 [2020-11-30 01:13:13,659 INFO L677 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 [2020-11-30 01:13:13,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-11-30 01:13:13,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-11-30 01:13:13,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-11-30 01:13:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 408 transitions. [2020-11-30 01:13:13,685 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 408 transitions. Word has length 72 [2020-11-30 01:13:13,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:13,685 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 408 transitions. [2020-11-30 01:13:13,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:13,685 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 408 transitions. [2020-11-30 01:13:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-30 01:13:13,688 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:13,689 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 01:13:13,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:13:13,689 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:13,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:13,690 INFO L82 PathProgramCache]: Analyzing trace with hash -947039589, now seen corresponding path program 1 times [2020-11-30 01:13:13,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:13,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376779039] [2020-11-30 01:13:13,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:13,799 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:13:13,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376779039] [2020-11-30 01:13:13,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:13,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:13,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990829003] [2020-11-30 01:13:13,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:13,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:13,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:13,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:13,805 INFO L87 Difference]: Start difference. First operand 242 states and 408 transitions. Second operand 3 states. [2020-11-30 01:13:14,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:14,032 INFO L93 Difference]: Finished difference Result 493 states and 832 transitions. [2020-11-30 01:13:14,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:14,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-11-30 01:13:14,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:14,036 INFO L225 Difference]: With dead ends: 493 [2020-11-30 01:13:14,036 INFO L226 Difference]: Without dead ends: 259 [2020-11-30 01:13:14,037 INFO L677 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 [2020-11-30 01:13:14,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-11-30 01:13:14,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 257. [2020-11-30 01:13:14,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-11-30 01:13:14,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 431 transitions. [2020-11-30 01:13:14,072 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 431 transitions. Word has length 84 [2020-11-30 01:13:14,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:14,072 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 431 transitions. [2020-11-30 01:13:14,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:14,072 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 431 transitions. [2020-11-30 01:13:14,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-30 01:13:14,078 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:14,078 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:14,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:13:14,078 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:14,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:14,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1168944985, now seen corresponding path program 1 times [2020-11-30 01:13:14,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:14,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046112993] [2020-11-30 01:13:14,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:13:14,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046112993] [2020-11-30 01:13:14,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:14,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:14,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992094170] [2020-11-30 01:13:14,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:14,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:14,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:14,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:14,188 INFO L87 Difference]: Start difference. First operand 257 states and 431 transitions. Second operand 3 states. [2020-11-30 01:13:14,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:14,516 INFO L93 Difference]: Finished difference Result 552 states and 931 transitions. [2020-11-30 01:13:14,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:14,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-11-30 01:13:14,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:14,520 INFO L225 Difference]: With dead ends: 552 [2020-11-30 01:13:14,520 INFO L226 Difference]: Without dead ends: 303 [2020-11-30 01:13:14,521 INFO L677 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 [2020-11-30 01:13:14,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-11-30 01:13:14,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-11-30 01:13:14,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-11-30 01:13:14,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 505 transitions. [2020-11-30 01:13:14,539 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 505 transitions. Word has length 84 [2020-11-30 01:13:14,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:14,539 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 505 transitions. [2020-11-30 01:13:14,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:14,540 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 505 transitions. [2020-11-30 01:13:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-30 01:13:14,541 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:14,542 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:14,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:13:14,542 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:14,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:14,543 INFO L82 PathProgramCache]: Analyzing trace with hash 2129818626, now seen corresponding path program 1 times [2020-11-30 01:13:14,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:14,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985193746] [2020-11-30 01:13:14,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:14,615 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:13:14,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985193746] [2020-11-30 01:13:14,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:14,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:14,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613295769] [2020-11-30 01:13:14,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:14,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:14,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:14,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:14,621 INFO L87 Difference]: Start difference. First operand 299 states and 505 transitions. Second operand 3 states. [2020-11-30 01:13:14,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:14,828 INFO L93 Difference]: Finished difference Result 592 states and 1000 transitions. [2020-11-30 01:13:14,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:14,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-11-30 01:13:14,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:14,831 INFO L225 Difference]: With dead ends: 592 [2020-11-30 01:13:14,831 INFO L226 Difference]: Without dead ends: 301 [2020-11-30 01:13:14,832 INFO L677 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 [2020-11-30 01:13:14,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-11-30 01:13:14,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 299. [2020-11-30 01:13:14,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-11-30 01:13:14,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 501 transitions. [2020-11-30 01:13:14,847 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 501 transitions. Word has length 85 [2020-11-30 01:13:14,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:14,847 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 501 transitions. [2020-11-30 01:13:14,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:14,848 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 501 transitions. [2020-11-30 01:13:14,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-30 01:13:14,849 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:14,849 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:14,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:13:14,850 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:14,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:14,850 INFO L82 PathProgramCache]: Analyzing trace with hash -122958423, now seen corresponding path program 1 times [2020-11-30 01:13:14,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:14,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811944993] [2020-11-30 01:13:14,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:14,912 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:13:14,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811944993] [2020-11-30 01:13:14,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:14,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:14,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441439568] [2020-11-30 01:13:14,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:14,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:14,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:14,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:14,915 INFO L87 Difference]: Start difference. First operand 299 states and 501 transitions. Second operand 3 states. [2020-11-30 01:13:15,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:15,210 INFO L93 Difference]: Finished difference Result 594 states and 995 transitions. [2020-11-30 01:13:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:15,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-11-30 01:13:15,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:15,212 INFO L225 Difference]: With dead ends: 594 [2020-11-30 01:13:15,213 INFO L226 Difference]: Without dead ends: 301 [2020-11-30 01:13:15,213 INFO L677 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 [2020-11-30 01:13:15,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-11-30 01:13:15,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 297. [2020-11-30 01:13:15,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-11-30 01:13:15,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 496 transitions. [2020-11-30 01:13:15,226 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 496 transitions. Word has length 85 [2020-11-30 01:13:15,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:15,227 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 496 transitions. [2020-11-30 01:13:15,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:15,227 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 496 transitions. [2020-11-30 01:13:15,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-11-30 01:13:15,228 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:15,229 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:15,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:13:15,229 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:15,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:15,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1553184093, now seen corresponding path program 1 times [2020-11-30 01:13:15,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:15,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670407366] [2020-11-30 01:13:15,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:15,292 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-30 01:13:15,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670407366] [2020-11-30 01:13:15,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:15,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:15,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602147077] [2020-11-30 01:13:15,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:15,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:15,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:15,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:15,296 INFO L87 Difference]: Start difference. First operand 297 states and 496 transitions. Second operand 3 states. [2020-11-30 01:13:15,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:15,492 INFO L93 Difference]: Finished difference Result 595 states and 992 transitions. [2020-11-30 01:13:15,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:15,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-11-30 01:13:15,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:15,496 INFO L225 Difference]: With dead ends: 595 [2020-11-30 01:13:15,496 INFO L226 Difference]: Without dead ends: 306 [2020-11-30 01:13:15,497 INFO L677 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 [2020-11-30 01:13:15,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-11-30 01:13:15,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2020-11-30 01:13:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-11-30 01:13:15,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 502 transitions. [2020-11-30 01:13:15,516 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 502 transitions. Word has length 97 [2020-11-30 01:13:15,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:15,516 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 502 transitions. [2020-11-30 01:13:15,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:15,517 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 502 transitions. [2020-11-30 01:13:15,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-30 01:13:15,518 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:15,519 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:15,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:13:15,519 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:15,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:15,520 INFO L82 PathProgramCache]: Analyzing trace with hash -2083521026, now seen corresponding path program 1 times [2020-11-30 01:13:15,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:15,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140294516] [2020-11-30 01:13:15,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:15,615 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:13:15,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140294516] [2020-11-30 01:13:15,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:15,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:15,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243079848] [2020-11-30 01:13:15,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:15,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:15,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:15,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:15,625 INFO L87 Difference]: Start difference. First operand 306 states and 502 transitions. Second operand 3 states. [2020-11-30 01:13:15,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:15,886 INFO L93 Difference]: Finished difference Result 635 states and 1045 transitions. [2020-11-30 01:13:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:15,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-11-30 01:13:15,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:15,889 INFO L225 Difference]: With dead ends: 635 [2020-11-30 01:13:15,890 INFO L226 Difference]: Without dead ends: 337 [2020-11-30 01:13:15,891 INFO L677 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 [2020-11-30 01:13:15,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-11-30 01:13:15,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2020-11-30 01:13:15,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-11-30 01:13:15,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 549 transitions. [2020-11-30 01:13:15,907 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 549 transitions. Word has length 98 [2020-11-30 01:13:15,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:15,907 INFO L481 AbstractCegarLoop]: Abstraction has 335 states and 549 transitions. [2020-11-30 01:13:15,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:15,908 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 549 transitions. [2020-11-30 01:13:15,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-30 01:13:15,909 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:15,910 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 01:13:15,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 01:13:15,910 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:15,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:15,911 INFO L82 PathProgramCache]: Analyzing trace with hash -102460539, now seen corresponding path program 1 times [2020-11-30 01:13:15,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:15,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519073862] [2020-11-30 01:13:15,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:13:15,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519073862] [2020-11-30 01:13:15,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:15,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:15,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877257721] [2020-11-30 01:13:15,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:15,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:15,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:15,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:15,995 INFO L87 Difference]: Start difference. First operand 335 states and 549 transitions. Second operand 3 states. [2020-11-30 01:13:16,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:16,264 INFO L93 Difference]: Finished difference Result 664 states and 1088 transitions. [2020-11-30 01:13:16,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:16,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-30 01:13:16,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:16,267 INFO L225 Difference]: With dead ends: 664 [2020-11-30 01:13:16,267 INFO L226 Difference]: Without dead ends: 337 [2020-11-30 01:13:16,268 INFO L677 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 [2020-11-30 01:13:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-11-30 01:13:16,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2020-11-30 01:13:16,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-11-30 01:13:16,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 545 transitions. [2020-11-30 01:13:16,283 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 545 transitions. Word has length 99 [2020-11-30 01:13:16,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:16,284 INFO L481 AbstractCegarLoop]: Abstraction has 335 states and 545 transitions. [2020-11-30 01:13:16,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:16,284 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 545 transitions. [2020-11-30 01:13:16,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-11-30 01:13:16,286 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:16,286 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:16,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 01:13:16,287 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:16,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:16,287 INFO L82 PathProgramCache]: Analyzing trace with hash -651386898, now seen corresponding path program 1 times [2020-11-30 01:13:16,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:16,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866821909] [2020-11-30 01:13:16,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:16,351 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:13:16,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866821909] [2020-11-30 01:13:16,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:16,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:16,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107304256] [2020-11-30 01:13:16,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:16,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:16,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:16,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:16,355 INFO L87 Difference]: Start difference. First operand 335 states and 545 transitions. Second operand 3 states. [2020-11-30 01:13:16,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:16,598 INFO L93 Difference]: Finished difference Result 697 states and 1138 transitions. [2020-11-30 01:13:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:16,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-11-30 01:13:16,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:16,602 INFO L225 Difference]: With dead ends: 697 [2020-11-30 01:13:16,602 INFO L226 Difference]: Without dead ends: 370 [2020-11-30 01:13:16,603 INFO L677 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 [2020-11-30 01:13:16,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-11-30 01:13:16,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2020-11-30 01:13:16,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-11-30 01:13:16,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 587 transitions. [2020-11-30 01:13:16,619 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 587 transitions. Word has length 100 [2020-11-30 01:13:16,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:16,620 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 587 transitions. [2020-11-30 01:13:16,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:16,621 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 587 transitions. [2020-11-30 01:13:16,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-11-30 01:13:16,623 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:16,623 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:16,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 01:13:16,623 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:16,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:16,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1258189035, now seen corresponding path program 1 times [2020-11-30 01:13:16,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:16,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959875796] [2020-11-30 01:13:16,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:16,706 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:13:16,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959875796] [2020-11-30 01:13:16,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:16,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:16,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596449215] [2020-11-30 01:13:16,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:16,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:16,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:16,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:16,709 INFO L87 Difference]: Start difference. First operand 362 states and 587 transitions. Second operand 3 states. [2020-11-30 01:13:16,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:16,976 INFO L93 Difference]: Finished difference Result 724 states and 1175 transitions. [2020-11-30 01:13:16,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:16,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-11-30 01:13:16,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:16,980 INFO L225 Difference]: With dead ends: 724 [2020-11-30 01:13:16,980 INFO L226 Difference]: Without dead ends: 370 [2020-11-30 01:13:16,981 INFO L677 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 [2020-11-30 01:13:16,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-11-30 01:13:16,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2020-11-30 01:13:17,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-11-30 01:13:17,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 582 transitions. [2020-11-30 01:13:17,006 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 582 transitions. Word has length 101 [2020-11-30 01:13:17,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:17,006 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 582 transitions. [2020-11-30 01:13:17,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:17,006 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 582 transitions. [2020-11-30 01:13:17,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-30 01:13:17,008 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:17,008 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:17,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 01:13:17,009 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:17,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:17,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1027805126, now seen corresponding path program 1 times [2020-11-30 01:13:17,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:17,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090971846] [2020-11-30 01:13:17,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:17,073 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-30 01:13:17,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090971846] [2020-11-30 01:13:17,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:17,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:17,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983593814] [2020-11-30 01:13:17,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:17,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:17,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:17,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:17,076 INFO L87 Difference]: Start difference. First operand 362 states and 582 transitions. Second operand 3 states. [2020-11-30 01:13:17,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:17,306 INFO L93 Difference]: Finished difference Result 742 states and 1195 transitions. [2020-11-30 01:13:17,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:17,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-30 01:13:17,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:17,309 INFO L225 Difference]: With dead ends: 742 [2020-11-30 01:13:17,310 INFO L226 Difference]: Without dead ends: 388 [2020-11-30 01:13:17,311 INFO L677 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 [2020-11-30 01:13:17,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-11-30 01:13:17,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2020-11-30 01:13:17,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-11-30 01:13:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 611 transitions. [2020-11-30 01:13:17,331 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 611 transitions. Word has length 105 [2020-11-30 01:13:17,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:17,331 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 611 transitions. [2020-11-30 01:13:17,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:17,332 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 611 transitions. [2020-11-30 01:13:17,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-30 01:13:17,334 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:17,334 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:17,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 01:13:17,334 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:17,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:17,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1570072403, now seen corresponding path program 1 times [2020-11-30 01:13:17,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:17,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855919885] [2020-11-30 01:13:17,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:17,413 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-30 01:13:17,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855919885] [2020-11-30 01:13:17,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:17,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:17,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395504548] [2020-11-30 01:13:17,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:17,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:17,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:17,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:17,416 INFO L87 Difference]: Start difference. First operand 383 states and 611 transitions. Second operand 3 states. [2020-11-30 01:13:17,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:17,655 INFO L93 Difference]: Finished difference Result 763 states and 1218 transitions. [2020-11-30 01:13:17,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:17,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-11-30 01:13:17,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:17,659 INFO L225 Difference]: With dead ends: 763 [2020-11-30 01:13:17,659 INFO L226 Difference]: Without dead ends: 388 [2020-11-30 01:13:17,660 INFO L677 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 [2020-11-30 01:13:17,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-11-30 01:13:17,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2020-11-30 01:13:17,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-11-30 01:13:17,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 605 transitions. [2020-11-30 01:13:17,682 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 605 transitions. Word has length 106 [2020-11-30 01:13:17,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:17,682 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 605 transitions. [2020-11-30 01:13:17,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:17,683 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 605 transitions. [2020-11-30 01:13:17,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-30 01:13:17,685 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:17,685 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-11-30 01:13:17,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 01:13:17,686 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:17,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:17,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1383340250, now seen corresponding path program 1 times [2020-11-30 01:13:17,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:17,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36112888] [2020-11-30 01:13:17,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:17,751 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-30 01:13:17,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36112888] [2020-11-30 01:13:17,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:17,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:17,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187016591] [2020-11-30 01:13:17,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:17,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:17,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:17,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:17,754 INFO L87 Difference]: Start difference. First operand 383 states and 605 transitions. Second operand 3 states. [2020-11-30 01:13:17,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:17,819 INFO L93 Difference]: Finished difference Result 758 states and 1198 transitions. [2020-11-30 01:13:17,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:17,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-30 01:13:17,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:17,825 INFO L225 Difference]: With dead ends: 758 [2020-11-30 01:13:17,825 INFO L226 Difference]: Without dead ends: 756 [2020-11-30 01:13:17,827 INFO L677 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 [2020-11-30 01:13:17,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-11-30 01:13:17,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 756. [2020-11-30 01:13:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2020-11-30 01:13:17,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1196 transitions. [2020-11-30 01:13:17,863 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1196 transitions. Word has length 121 [2020-11-30 01:13:17,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:17,864 INFO L481 AbstractCegarLoop]: Abstraction has 756 states and 1196 transitions. [2020-11-30 01:13:17,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1196 transitions. [2020-11-30 01:13:17,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-30 01:13:17,867 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:17,867 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-11-30 01:13:17,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-30 01:13:17,868 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:17,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:17,868 INFO L82 PathProgramCache]: Analyzing trace with hash 56372730, now seen corresponding path program 1 times [2020-11-30 01:13:17,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:17,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422578268] [2020-11-30 01:13:17,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-30 01:13:17,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422578268] [2020-11-30 01:13:17,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:17,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:17,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232690759] [2020-11-30 01:13:17,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:17,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:17,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:17,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:17,953 INFO L87 Difference]: Start difference. First operand 756 states and 1196 transitions. Second operand 3 states. [2020-11-30 01:13:18,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:18,035 INFO L93 Difference]: Finished difference Result 1872 states and 2964 transitions. [2020-11-30 01:13:18,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:18,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-11-30 01:13:18,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:18,043 INFO L225 Difference]: With dead ends: 1872 [2020-11-30 01:13:18,044 INFO L226 Difference]: Without dead ends: 1124 [2020-11-30 01:13:18,045 INFO L677 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 [2020-11-30 01:13:18,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2020-11-30 01:13:18,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1124. [2020-11-30 01:13:18,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-11-30 01:13:18,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1777 transitions. [2020-11-30 01:13:18,101 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1777 transitions. Word has length 122 [2020-11-30 01:13:18,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:18,101 INFO L481 AbstractCegarLoop]: Abstraction has 1124 states and 1777 transitions. [2020-11-30 01:13:18,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:18,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1777 transitions. [2020-11-30 01:13:18,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-30 01:13:18,105 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:18,105 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-11-30 01:13:18,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-30 01:13:18,106 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:18,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:18,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1445666744, now seen corresponding path program 1 times [2020-11-30 01:13:18,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:18,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571117652] [2020-11-30 01:13:18,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:18,152 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-30 01:13:18,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571117652] [2020-11-30 01:13:18,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:18,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:18,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382663420] [2020-11-30 01:13:18,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:18,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:18,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:18,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:18,156 INFO L87 Difference]: Start difference. First operand 1124 states and 1777 transitions. Second operand 3 states. [2020-11-30 01:13:18,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:18,245 INFO L93 Difference]: Finished difference Result 2591 states and 4097 transitions. [2020-11-30 01:13:18,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:18,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-11-30 01:13:18,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:18,256 INFO L225 Difference]: With dead ends: 2591 [2020-11-30 01:13:18,256 INFO L226 Difference]: Without dead ends: 1475 [2020-11-30 01:13:18,258 INFO L677 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 [2020-11-30 01:13:18,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2020-11-30 01:13:18,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2020-11-30 01:13:18,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1475 states. [2020-11-30 01:13:18,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2328 transitions. [2020-11-30 01:13:18,332 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2328 transitions. Word has length 122 [2020-11-30 01:13:18,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:18,332 INFO L481 AbstractCegarLoop]: Abstraction has 1475 states and 2328 transitions. [2020-11-30 01:13:18,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:18,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2328 transitions. [2020-11-30 01:13:18,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 01:13:18,337 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:18,338 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 2, 2, 2, 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] [2020-11-30 01:13:18,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-30 01:13:18,338 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:18,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:18,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1566103125, now seen corresponding path program 1 times [2020-11-30 01:13:18,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:18,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170230116] [2020-11-30 01:13:18,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-11-30 01:13:18,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170230116] [2020-11-30 01:13:18,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:18,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:18,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876093788] [2020-11-30 01:13:18,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:18,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:18,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:18,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:18,436 INFO L87 Difference]: Start difference. First operand 1475 states and 2328 transitions. Second operand 3 states. [2020-11-30 01:13:18,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:18,768 INFO L93 Difference]: Finished difference Result 2982 states and 4692 transitions. [2020-11-30 01:13:18,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:18,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-11-30 01:13:18,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:18,780 INFO L225 Difference]: With dead ends: 2982 [2020-11-30 01:13:18,780 INFO L226 Difference]: Without dead ends: 1515 [2020-11-30 01:13:18,783 INFO L677 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 [2020-11-30 01:13:18,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2020-11-30 01:13:18,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1475. [2020-11-30 01:13:18,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1475 states. [2020-11-30 01:13:18,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2184 transitions. [2020-11-30 01:13:18,860 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2184 transitions. Word has length 159 [2020-11-30 01:13:18,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:18,860 INFO L481 AbstractCegarLoop]: Abstraction has 1475 states and 2184 transitions. [2020-11-30 01:13:18,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:18,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2184 transitions. [2020-11-30 01:13:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 01:13:18,897 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:18,898 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 2, 2, 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] [2020-11-30 01:13:18,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-30 01:13:18,898 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:18,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:18,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1636228969, now seen corresponding path program 1 times [2020-11-30 01:13:18,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:18,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124871682] [2020-11-30 01:13:18,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-11-30 01:13:19,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124871682] [2020-11-30 01:13:19,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:19,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:19,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742582907] [2020-11-30 01:13:19,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:19,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:19,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:19,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:19,022 INFO L87 Difference]: Start difference. First operand 1475 states and 2184 transitions. Second operand 3 states. [2020-11-30 01:13:19,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:19,383 INFO L93 Difference]: Finished difference Result 3138 states and 4656 transitions. [2020-11-30 01:13:19,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:19,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-11-30 01:13:19,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:19,395 INFO L225 Difference]: With dead ends: 3138 [2020-11-30 01:13:19,395 INFO L226 Difference]: Without dead ends: 1671 [2020-11-30 01:13:19,398 INFO L677 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 [2020-11-30 01:13:19,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2020-11-30 01:13:19,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1555. [2020-11-30 01:13:19,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1555 states. [2020-11-30 01:13:19,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2244 transitions. [2020-11-30 01:13:19,474 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2244 transitions. Word has length 159 [2020-11-30 01:13:19,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:19,475 INFO L481 AbstractCegarLoop]: Abstraction has 1555 states and 2244 transitions. [2020-11-30 01:13:19,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:19,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2244 transitions. [2020-11-30 01:13:19,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-11-30 01:13:19,481 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:19,481 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 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] [2020-11-30 01:13:19,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-30 01:13:19,481 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:19,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:19,484 INFO L82 PathProgramCache]: Analyzing trace with hash 442177989, now seen corresponding path program 1 times [2020-11-30 01:13:19,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:19,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384032686] [2020-11-30 01:13:19,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:19,569 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-11-30 01:13:19,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384032686] [2020-11-30 01:13:19,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:19,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:19,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718439911] [2020-11-30 01:13:19,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:19,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:19,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:19,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:19,572 INFO L87 Difference]: Start difference. First operand 1555 states and 2244 transitions. Second operand 3 states. [2020-11-30 01:13:19,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:19,907 INFO L93 Difference]: Finished difference Result 3158 states and 4542 transitions. [2020-11-30 01:13:19,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:19,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-11-30 01:13:19,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:19,918 INFO L225 Difference]: With dead ends: 3158 [2020-11-30 01:13:19,919 INFO L226 Difference]: Without dead ends: 1611 [2020-11-30 01:13:19,922 INFO L677 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 [2020-11-30 01:13:19,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2020-11-30 01:13:19,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1555. [2020-11-30 01:13:19,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1555 states. [2020-11-30 01:13:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2182 transitions. [2020-11-30 01:13:20,000 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2182 transitions. Word has length 173 [2020-11-30 01:13:20,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:20,000 INFO L481 AbstractCegarLoop]: Abstraction has 1555 states and 2182 transitions. [2020-11-30 01:13:20,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2182 transitions. [2020-11-30 01:13:20,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-30 01:13:20,006 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:20,007 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:20,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-30 01:13:20,007 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:20,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:20,008 INFO L82 PathProgramCache]: Analyzing trace with hash 893492071, now seen corresponding path program 1 times [2020-11-30 01:13:20,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:20,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409219087] [2020-11-30 01:13:20,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:20,110 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-11-30 01:13:20,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409219087] [2020-11-30 01:13:20,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:20,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:20,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454301163] [2020-11-30 01:13:20,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:20,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:20,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:20,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:20,112 INFO L87 Difference]: Start difference. First operand 1555 states and 2182 transitions. Second operand 3 states. [2020-11-30 01:13:20,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:20,374 INFO L93 Difference]: Finished difference Result 3187 states and 4459 transitions. [2020-11-30 01:13:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:20,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-11-30 01:13:20,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:20,385 INFO L225 Difference]: With dead ends: 3187 [2020-11-30 01:13:20,385 INFO L226 Difference]: Without dead ends: 1640 [2020-11-30 01:13:20,388 INFO L677 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 [2020-11-30 01:13:20,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2020-11-30 01:13:20,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1624. [2020-11-30 01:13:20,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1624 states. [2020-11-30 01:13:20,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2266 transitions. [2020-11-30 01:13:20,471 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2266 transitions. Word has length 189 [2020-11-30 01:13:20,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:20,472 INFO L481 AbstractCegarLoop]: Abstraction has 1624 states and 2266 transitions. [2020-11-30 01:13:20,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:20,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2266 transitions. [2020-11-30 01:13:20,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-11-30 01:13:20,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:20,479 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:20,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-30 01:13:20,480 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:20,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:20,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1767840956, now seen corresponding path program 1 times [2020-11-30 01:13:20,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:20,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889840812] [2020-11-30 01:13:20,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:20,607 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2020-11-30 01:13:20,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889840812] [2020-11-30 01:13:20,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:20,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:20,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625227384] [2020-11-30 01:13:20,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:20,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:20,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:20,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:20,615 INFO L87 Difference]: Start difference. First operand 1624 states and 2266 transitions. Second operand 3 states. [2020-11-30 01:13:20,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:20,888 INFO L93 Difference]: Finished difference Result 3392 states and 4736 transitions. [2020-11-30 01:13:20,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:20,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-11-30 01:13:20,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:20,900 INFO L225 Difference]: With dead ends: 3392 [2020-11-30 01:13:20,901 INFO L226 Difference]: Without dead ends: 1776 [2020-11-30 01:13:20,904 INFO L677 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 [2020-11-30 01:13:20,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2020-11-30 01:13:20,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1724. [2020-11-30 01:13:20,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1724 states. [2020-11-30 01:13:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2386 transitions. [2020-11-30 01:13:20,989 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2386 transitions. Word has length 210 [2020-11-30 01:13:20,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:20,989 INFO L481 AbstractCegarLoop]: Abstraction has 1724 states and 2386 transitions. [2020-11-30 01:13:20,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2386 transitions. [2020-11-30 01:13:20,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-11-30 01:13:20,996 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:20,997 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:20,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-30 01:13:20,997 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:20,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:20,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1550608766, now seen corresponding path program 1 times [2020-11-30 01:13:20,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:20,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897297976] [2020-11-30 01:13:20,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-11-30 01:13:21,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897297976] [2020-11-30 01:13:21,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:21,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:21,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908943799] [2020-11-30 01:13:21,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:21,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:21,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:21,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:21,125 INFO L87 Difference]: Start difference. First operand 1724 states and 2386 transitions. Second operand 3 states. [2020-11-30 01:13:21,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:21,486 INFO L93 Difference]: Finished difference Result 3494 states and 4822 transitions. [2020-11-30 01:13:21,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:21,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2020-11-30 01:13:21,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:21,497 INFO L225 Difference]: With dead ends: 3494 [2020-11-30 01:13:21,497 INFO L226 Difference]: Without dead ends: 1778 [2020-11-30 01:13:21,500 INFO L677 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 [2020-11-30 01:13:21,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2020-11-30 01:13:21,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1724. [2020-11-30 01:13:21,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1724 states. [2020-11-30 01:13:21,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2378 transitions. [2020-11-30 01:13:21,592 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2378 transitions. Word has length 213 [2020-11-30 01:13:21,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:21,593 INFO L481 AbstractCegarLoop]: Abstraction has 1724 states and 2378 transitions. [2020-11-30 01:13:21,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:21,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2378 transitions. [2020-11-30 01:13:21,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-11-30 01:13:21,599 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:21,599 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:21,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-30 01:13:21,600 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:21,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:21,600 INFO L82 PathProgramCache]: Analyzing trace with hash -615950364, now seen corresponding path program 1 times [2020-11-30 01:13:21,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:21,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460024716] [2020-11-30 01:13:21,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:21,698 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2020-11-30 01:13:21,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460024716] [2020-11-30 01:13:21,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:21,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:21,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6983199] [2020-11-30 01:13:21,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:21,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:21,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:21,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:21,703 INFO L87 Difference]: Start difference. First operand 1724 states and 2378 transitions. Second operand 3 states. [2020-11-30 01:13:21,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:21,995 INFO L93 Difference]: Finished difference Result 3636 states and 5036 transitions. [2020-11-30 01:13:21,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:21,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-11-30 01:13:21,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:22,006 INFO L225 Difference]: With dead ends: 3636 [2020-11-30 01:13:22,006 INFO L226 Difference]: Without dead ends: 1820 [2020-11-30 01:13:22,011 INFO L677 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 [2020-11-30 01:13:22,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2020-11-30 01:13:22,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1780. [2020-11-30 01:13:22,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1780 states. [2020-11-30 01:13:22,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2422 transitions. [2020-11-30 01:13:22,085 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2422 transitions. Word has length 234 [2020-11-30 01:13:22,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:22,086 INFO L481 AbstractCegarLoop]: Abstraction has 1780 states and 2422 transitions. [2020-11-30 01:13:22,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:22,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2422 transitions. [2020-11-30 01:13:22,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-11-30 01:13:22,092 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:22,093 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 5, 5, 4, 4, 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] [2020-11-30 01:13:22,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-30 01:13:22,093 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:22,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:22,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1751905145, now seen corresponding path program 1 times [2020-11-30 01:13:22,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:22,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572323417] [2020-11-30 01:13:22,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:22,181 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2020-11-30 01:13:22,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572323417] [2020-11-30 01:13:22,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:22,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:22,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390004948] [2020-11-30 01:13:22,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:22,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:22,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:22,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:22,184 INFO L87 Difference]: Start difference. First operand 1780 states and 2422 transitions. Second operand 3 states. [2020-11-30 01:13:22,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:22,440 INFO L93 Difference]: Finished difference Result 3584 states and 4884 transitions. [2020-11-30 01:13:22,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:22,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2020-11-30 01:13:22,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:22,451 INFO L225 Difference]: With dead ends: 3584 [2020-11-30 01:13:22,451 INFO L226 Difference]: Without dead ends: 1812 [2020-11-30 01:13:22,454 INFO L677 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 [2020-11-30 01:13:22,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2020-11-30 01:13:22,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1780. [2020-11-30 01:13:22,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1780 states. [2020-11-30 01:13:22,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2402 transitions. [2020-11-30 01:13:22,533 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2402 transitions. Word has length 236 [2020-11-30 01:13:22,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:22,533 INFO L481 AbstractCegarLoop]: Abstraction has 1780 states and 2402 transitions. [2020-11-30 01:13:22,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2402 transitions. [2020-11-30 01:13:22,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-11-30 01:13:22,540 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:22,540 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 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] [2020-11-30 01:13:22,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-11-30 01:13:22,540 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:22,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:22,541 INFO L82 PathProgramCache]: Analyzing trace with hash 264243297, now seen corresponding path program 1 times [2020-11-30 01:13:22,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:22,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953042495] [2020-11-30 01:13:22,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:22,646 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 425 proven. 16 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2020-11-30 01:13:22,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953042495] [2020-11-30 01:13:22,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617567113] [2020-11-30 01:13:22,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/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 [2020-11-30 01:13:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:22,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:13:22,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:13:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-11-30 01:13:23,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:13:23,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-30 01:13:23,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993705204] [2020-11-30 01:13:23,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:23,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:23,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:23,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:13:23,066 INFO L87 Difference]: Start difference. First operand 1780 states and 2402 transitions. Second operand 3 states. [2020-11-30 01:13:23,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:23,171 INFO L93 Difference]: Finished difference Result 3574 states and 4830 transitions. [2020-11-30 01:13:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:23,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-11-30 01:13:23,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:23,183 INFO L225 Difference]: With dead ends: 3574 [2020-11-30 01:13:23,183 INFO L226 Difference]: Without dead ends: 2235 [2020-11-30 01:13:23,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:13:23,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2235 states. [2020-11-30 01:13:23,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2235 to 2235. [2020-11-30 01:13:23,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-11-30 01:13:23,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 3017 transitions. [2020-11-30 01:13:23,272 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 3017 transitions. Word has length 246 [2020-11-30 01:13:23,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:23,272 INFO L481 AbstractCegarLoop]: Abstraction has 2235 states and 3017 transitions. [2020-11-30 01:13:23,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:23,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 3017 transitions. [2020-11-30 01:13:23,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-11-30 01:13:23,279 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:23,280 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-30 01:13:23,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2020-11-30 01:13:23,507 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:23,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:23,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1153610059, now seen corresponding path program 1 times [2020-11-30 01:13:23,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:23,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605506518] [2020-11-30 01:13:23,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:23,652 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-11-30 01:13:23,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605506518] [2020-11-30 01:13:23,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118531011] [2020-11-30 01:13:23,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:13:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:23,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:13:23,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:13:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-11-30 01:13:23,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:13:23,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-30 01:13:23,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079377156] [2020-11-30 01:13:23,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:13:23,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:23,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:13:23,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:13:23,947 INFO L87 Difference]: Start difference. First operand 2235 states and 3017 transitions. Second operand 4 states. [2020-11-30 01:13:24,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:24,591 INFO L93 Difference]: Finished difference Result 7149 states and 9661 transitions. [2020-11-30 01:13:24,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:13:24,592 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 253 [2020-11-30 01:13:24,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:24,620 INFO L225 Difference]: With dead ends: 7149 [2020-11-30 01:13:24,627 INFO L226 Difference]: Without dead ends: 4922 [2020-11-30 01:13:24,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:13:24,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4922 states. [2020-11-30 01:13:24,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4922 to 2780. [2020-11-30 01:13:24,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2780 states. [2020-11-30 01:13:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2780 states to 2780 states and 3667 transitions. [2020-11-30 01:13:24,760 INFO L78 Accepts]: Start accepts. Automaton has 2780 states and 3667 transitions. Word has length 253 [2020-11-30 01:13:24,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:24,760 INFO L481 AbstractCegarLoop]: Abstraction has 2780 states and 3667 transitions. [2020-11-30 01:13:24,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:13:24,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 3667 transitions. [2020-11-30 01:13:24,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-11-30 01:13:24,768 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:24,769 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-30 01:13:24,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2020-11-30 01:13:24,991 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:24,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:24,991 INFO L82 PathProgramCache]: Analyzing trace with hash -864790669, now seen corresponding path program 1 times [2020-11-30 01:13:24,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:24,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254328548] [2020-11-30 01:13:24,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2020-11-30 01:13:25,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254328548] [2020-11-30 01:13:25,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:25,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:25,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383896505] [2020-11-30 01:13:25,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:25,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:25,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:25,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:25,108 INFO L87 Difference]: Start difference. First operand 2780 states and 3667 transitions. Second operand 3 states. [2020-11-30 01:13:25,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:25,295 INFO L93 Difference]: Finished difference Result 7809 states and 10357 transitions. [2020-11-30 01:13:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:25,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2020-11-30 01:13:25,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:25,307 INFO L225 Difference]: With dead ends: 7809 [2020-11-30 01:13:25,307 INFO L226 Difference]: Without dead ends: 5037 [2020-11-30 01:13:25,310 INFO L677 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 [2020-11-30 01:13:25,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5037 states. [2020-11-30 01:13:25,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5037 to 5035. [2020-11-30 01:13:25,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5035 states. [2020-11-30 01:13:25,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 6687 transitions. [2020-11-30 01:13:25,501 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 6687 transitions. Word has length 253 [2020-11-30 01:13:25,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:25,501 INFO L481 AbstractCegarLoop]: Abstraction has 5035 states and 6687 transitions. [2020-11-30 01:13:25,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:25,502 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 6687 transitions. [2020-11-30 01:13:25,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-11-30 01:13:25,512 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:25,513 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-30 01:13:25,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-11-30 01:13:25,513 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:25,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:25,514 INFO L82 PathProgramCache]: Analyzing trace with hash 52349753, now seen corresponding path program 1 times [2020-11-30 01:13:25,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:25,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919501142] [2020-11-30 01:13:25,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:25,635 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-11-30 01:13:25,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919501142] [2020-11-30 01:13:25,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:25,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:25,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484392050] [2020-11-30 01:13:25,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:25,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:25,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:25,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:25,638 INFO L87 Difference]: Start difference. First operand 5035 states and 6687 transitions. Second operand 3 states. [2020-11-30 01:13:26,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:26,064 INFO L93 Difference]: Finished difference Result 10162 states and 13482 transitions. [2020-11-30 01:13:26,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:26,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2020-11-30 01:13:26,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:26,076 INFO L225 Difference]: With dead ends: 10162 [2020-11-30 01:13:26,076 INFO L226 Difference]: Without dead ends: 5135 [2020-11-30 01:13:26,083 INFO L677 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 [2020-11-30 01:13:26,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5135 states. [2020-11-30 01:13:26,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5135 to 5035. [2020-11-30 01:13:26,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5035 states. [2020-11-30 01:13:26,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 6601 transitions. [2020-11-30 01:13:26,264 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 6601 transitions. Word has length 256 [2020-11-30 01:13:26,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:26,265 INFO L481 AbstractCegarLoop]: Abstraction has 5035 states and 6601 transitions. [2020-11-30 01:13:26,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:26,265 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 6601 transitions. [2020-11-30 01:13:26,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-11-30 01:13:26,277 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:26,277 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-30 01:13:26,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-11-30 01:13:26,277 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:26,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:26,278 INFO L82 PathProgramCache]: Analyzing trace with hash 212492165, now seen corresponding path program 1 times [2020-11-30 01:13:26,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:26,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21916395] [2020-11-30 01:13:26,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:26,447 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-11-30 01:13:26,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21916395] [2020-11-30 01:13:26,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234888879] [2020-11-30 01:13:26,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:13:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:26,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:13:26,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:13:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-11-30 01:13:26,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:13:26,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-30 01:13:26,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032356596] [2020-11-30 01:13:26,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:26,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:26,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:26,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:13:26,738 INFO L87 Difference]: Start difference. First operand 5035 states and 6601 transitions. Second operand 3 states. [2020-11-30 01:13:27,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:27,126 INFO L93 Difference]: Finished difference Result 9422 states and 12426 transitions. [2020-11-30 01:13:27,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:27,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 282 [2020-11-30 01:13:27,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:27,138 INFO L225 Difference]: With dead ends: 9422 [2020-11-30 01:13:27,138 INFO L226 Difference]: Without dead ends: 5375 [2020-11-30 01:13:27,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:13:27,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5375 states. [2020-11-30 01:13:27,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5375 to 5055. [2020-11-30 01:13:27,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5055 states. [2020-11-30 01:13:27,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 5055 states and 6607 transitions. [2020-11-30 01:13:27,359 INFO L78 Accepts]: Start accepts. Automaton has 5055 states and 6607 transitions. Word has length 282 [2020-11-30 01:13:27,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:27,359 INFO L481 AbstractCegarLoop]: Abstraction has 5055 states and 6607 transitions. [2020-11-30 01:13:27,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 5055 states and 6607 transitions. [2020-11-30 01:13:27,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-11-30 01:13:27,369 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:27,370 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-30 01:13:27,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:13:27,595 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:27,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:27,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1760130215, now seen corresponding path program 1 times [2020-11-30 01:13:27,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:27,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655075198] [2020-11-30 01:13:27,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:27,729 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-11-30 01:13:27,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655075198] [2020-11-30 01:13:27,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832173363] [2020-11-30 01:13:27,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:13:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:27,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:13:27,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:13:27,936 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 421 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2020-11-30 01:13:27,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:13:27,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-30 01:13:27,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137105593] [2020-11-30 01:13:27,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:27,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:27,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:27,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:13:27,939 INFO L87 Difference]: Start difference. First operand 5055 states and 6607 transitions. Second operand 3 states. [2020-11-30 01:13:28,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:28,220 INFO L93 Difference]: Finished difference Result 10102 states and 13202 transitions. [2020-11-30 01:13:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:28,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2020-11-30 01:13:28,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:28,230 INFO L225 Difference]: With dead ends: 10102 [2020-11-30 01:13:28,230 INFO L226 Difference]: Without dead ends: 5055 [2020-11-30 01:13:28,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:13:28,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5055 states. [2020-11-30 01:13:28,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5055 to 5055. [2020-11-30 01:13:28,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5055 states. [2020-11-30 01:13:28,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 5055 states and 6597 transitions. [2020-11-30 01:13:28,398 INFO L78 Accepts]: Start accepts. Automaton has 5055 states and 6597 transitions. Word has length 283 [2020-11-30 01:13:28,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:28,399 INFO L481 AbstractCegarLoop]: Abstraction has 5055 states and 6597 transitions. [2020-11-30 01:13:28,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:28,399 INFO L276 IsEmpty]: Start isEmpty. Operand 5055 states and 6597 transitions. [2020-11-30 01:13:28,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-11-30 01:13:28,409 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:28,409 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-30 01:13:28,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:13:28,632 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:28,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:28,633 INFO L82 PathProgramCache]: Analyzing trace with hash 228335597, now seen corresponding path program 1 times [2020-11-30 01:13:28,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:28,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922879514] [2020-11-30 01:13:28,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:28,743 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-11-30 01:13:28,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922879514] [2020-11-30 01:13:28,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551959578] [2020-11-30 01:13:28,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:13:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:28,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:13:28,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:13:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-11-30 01:13:28,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:13:28,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-30 01:13:28,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431597352] [2020-11-30 01:13:28,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:13:28,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:28,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:13:28,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:13:28,968 INFO L87 Difference]: Start difference. First operand 5055 states and 6597 transitions. Second operand 4 states. [2020-11-30 01:13:29,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:29,517 INFO L93 Difference]: Finished difference Result 11826 states and 15346 transitions. [2020-11-30 01:13:29,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:13:29,518 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 283 [2020-11-30 01:13:29,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:29,532 INFO L225 Difference]: With dead ends: 11826 [2020-11-30 01:13:29,532 INFO L226 Difference]: Without dead ends: 6713 [2020-11-30 01:13:29,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:13:29,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6713 states. [2020-11-30 01:13:29,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6713 to 4419. [2020-11-30 01:13:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4419 states. [2020-11-30 01:13:29,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4419 states and 5676 transitions. [2020-11-30 01:13:29,707 INFO L78 Accepts]: Start accepts. Automaton has 4419 states and 5676 transitions. Word has length 283 [2020-11-30 01:13:29,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:29,708 INFO L481 AbstractCegarLoop]: Abstraction has 4419 states and 5676 transitions. [2020-11-30 01:13:29,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:13:29,708 INFO L276 IsEmpty]: Start isEmpty. Operand 4419 states and 5676 transitions. [2020-11-30 01:13:29,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2020-11-30 01:13:29,717 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:29,718 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-11-30 01:13:29,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2020-11-30 01:13:29,941 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:29,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:29,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1511923228, now seen corresponding path program 1 times [2020-11-30 01:13:29,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:29,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33476460] [2020-11-30 01:13:29,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:30,164 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2020-11-30 01:13:30,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33476460] [2020-11-30 01:13:30,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:30,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:30,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538802662] [2020-11-30 01:13:30,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:30,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:30,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:30,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:30,167 INFO L87 Difference]: Start difference. First operand 4419 states and 5676 transitions. Second operand 3 states. [2020-11-30 01:13:30,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:30,427 INFO L93 Difference]: Finished difference Result 7455 states and 9474 transitions. [2020-11-30 01:13:30,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:30,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 321 [2020-11-30 01:13:30,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:30,433 INFO L225 Difference]: With dead ends: 7455 [2020-11-30 01:13:30,433 INFO L226 Difference]: Without dead ends: 2236 [2020-11-30 01:13:30,439 INFO L677 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 [2020-11-30 01:13:30,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2020-11-30 01:13:30,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 2236. [2020-11-30 01:13:30,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2236 states. [2020-11-30 01:13:30,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2826 transitions. [2020-11-30 01:13:30,531 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2826 transitions. Word has length 321 [2020-11-30 01:13:30,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:30,531 INFO L481 AbstractCegarLoop]: Abstraction has 2236 states and 2826 transitions. [2020-11-30 01:13:30,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:30,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2826 transitions. [2020-11-30 01:13:30,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-11-30 01:13:30,538 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:30,539 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-11-30 01:13:30,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-11-30 01:13:30,539 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:30,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:30,540 INFO L82 PathProgramCache]: Analyzing trace with hash 761483812, now seen corresponding path program 1 times [2020-11-30 01:13:30,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:30,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407942064] [2020-11-30 01:13:30,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 738 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2020-11-30 01:13:30,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407942064] [2020-11-30 01:13:30,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:30,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:30,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802617372] [2020-11-30 01:13:30,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:30,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:30,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:30,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:30,714 INFO L87 Difference]: Start difference. First operand 2236 states and 2826 transitions. Second operand 3 states. [2020-11-30 01:13:30,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:30,938 INFO L93 Difference]: Finished difference Result 4474 states and 5650 transitions. [2020-11-30 01:13:30,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:30,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2020-11-30 01:13:30,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:30,943 INFO L225 Difference]: With dead ends: 4474 [2020-11-30 01:13:30,944 INFO L226 Difference]: Without dead ends: 2246 [2020-11-30 01:13:30,946 INFO L677 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 [2020-11-30 01:13:30,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2246 states. [2020-11-30 01:13:31,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2246 to 2236. [2020-11-30 01:13:31,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2236 states. [2020-11-30 01:13:31,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2801 transitions. [2020-11-30 01:13:31,011 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2801 transitions. Word has length 360 [2020-11-30 01:13:31,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:31,012 INFO L481 AbstractCegarLoop]: Abstraction has 2236 states and 2801 transitions. [2020-11-30 01:13:31,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:31,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2801 transitions. [2020-11-30 01:13:31,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-11-30 01:13:31,017 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:31,018 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-11-30 01:13:31,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-11-30 01:13:31,018 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:31,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:31,019 INFO L82 PathProgramCache]: Analyzing trace with hash 35349519, now seen corresponding path program 1 times [2020-11-30 01:13:31,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:31,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040622925] [2020-11-30 01:13:31,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:31,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 1011 proven. 26 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2020-11-30 01:13:31,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040622925] [2020-11-30 01:13:31,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711922488] [2020-11-30 01:13:31,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:13:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:31,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:13:31,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:13:31,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 773 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2020-11-30 01:13:31,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:13:31,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-30 01:13:31,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611124304] [2020-11-30 01:13:31,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:31,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:31,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:31,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:13:31,561 INFO L87 Difference]: Start difference. First operand 2236 states and 2801 transitions. Second operand 3 states. [2020-11-30 01:13:31,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:31,630 INFO L93 Difference]: Finished difference Result 2855 states and 3603 transitions. [2020-11-30 01:13:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:31,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 393 [2020-11-30 01:13:31,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:31,637 INFO L225 Difference]: With dead ends: 2855 [2020-11-30 01:13:31,637 INFO L226 Difference]: Without dead ends: 2763 [2020-11-30 01:13:31,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:13:31,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2020-11-30 01:13:31,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2146. [2020-11-30 01:13:31,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2146 states. [2020-11-30 01:13:31,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2700 transitions. [2020-11-30 01:13:31,707 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2700 transitions. Word has length 393 [2020-11-30 01:13:31,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:31,708 INFO L481 AbstractCegarLoop]: Abstraction has 2146 states and 2700 transitions. [2020-11-30 01:13:31,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:31,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2700 transitions. [2020-11-30 01:13:31,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-11-30 01:13:31,715 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:31,716 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:31,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:13:31,943 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:31,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:31,943 INFO L82 PathProgramCache]: Analyzing trace with hash 431667755, now seen corresponding path program 1 times [2020-11-30 01:13:31,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:31,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653116173] [2020-11-30 01:13:31,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:32,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2020-11-30 01:13:32,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653116173] [2020-11-30 01:13:32,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720376580] [2020-11-30 01:13:32,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:13:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:32,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:13:32,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:13:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2020-11-30 01:13:32,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:13:32,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-30 01:13:32,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944449781] [2020-11-30 01:13:32,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:13:32,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:32,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:13:32,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:13:32,645 INFO L87 Difference]: Start difference. First operand 2146 states and 2700 transitions. Second operand 4 states. [2020-11-30 01:13:33,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:33,119 INFO L93 Difference]: Finished difference Result 5212 states and 6569 transitions. [2020-11-30 01:13:33,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:13:33,120 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 533 [2020-11-30 01:13:33,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:33,126 INFO L225 Difference]: With dead ends: 5212 [2020-11-30 01:13:33,126 INFO L226 Difference]: Without dead ends: 3032 [2020-11-30 01:13:33,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:13:33,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2020-11-30 01:13:33,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 2206. [2020-11-30 01:13:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2206 states. [2020-11-30 01:13:33,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 2780 transitions. [2020-11-30 01:13:33,230 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 2780 transitions. Word has length 533 [2020-11-30 01:13:33,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:33,231 INFO L481 AbstractCegarLoop]: Abstraction has 2206 states and 2780 transitions. [2020-11-30 01:13:33,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:13:33,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2780 transitions. [2020-11-30 01:13:33,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2020-11-30 01:13:33,242 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:33,242 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 17, 17, 15, 15, 13, 13, 11, 11, 11, 11, 8, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:33,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2020-11-30 01:13:33,459 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:33,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:33,459 INFO L82 PathProgramCache]: Analyzing trace with hash 316649701, now seen corresponding path program 1 times [2020-11-30 01:13:33,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:33,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178863672] [2020-11-30 01:13:33,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3976 backedges. 2066 proven. 0 refuted. 0 times theorem prover too weak. 1910 trivial. 0 not checked. [2020-11-30 01:13:33,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178863672] [2020-11-30 01:13:33,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:33,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:33,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421928642] [2020-11-30 01:13:33,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:33,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:33,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:33,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:33,800 INFO L87 Difference]: Start difference. First operand 2206 states and 2780 transitions. Second operand 3 states. [2020-11-30 01:13:34,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:34,053 INFO L93 Difference]: Finished difference Result 4584 states and 5788 transitions. [2020-11-30 01:13:34,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:34,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 595 [2020-11-30 01:13:34,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:34,059 INFO L225 Difference]: With dead ends: 4584 [2020-11-30 01:13:34,059 INFO L226 Difference]: Without dead ends: 2386 [2020-11-30 01:13:34,062 INFO L677 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 [2020-11-30 01:13:34,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2386 states. [2020-11-30 01:13:34,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2386 to 2376. [2020-11-30 01:13:34,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2376 states. [2020-11-30 01:13:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 2975 transitions. [2020-11-30 01:13:34,147 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 2975 transitions. Word has length 595 [2020-11-30 01:13:34,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:34,148 INFO L481 AbstractCegarLoop]: Abstraction has 2376 states and 2975 transitions. [2020-11-30 01:13:34,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:34,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 2975 transitions. [2020-11-30 01:13:34,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2020-11-30 01:13:34,156 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:34,156 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 19, 19, 17, 17, 15, 15, 13, 13, 13, 13, 10, 8, 8, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:34,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-11-30 01:13:34,156 INFO L429 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:34,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:34,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1796704043, now seen corresponding path program 1 times [2020-11-30 01:13:34,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:34,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626877615] [2020-11-30 01:13:34,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:34,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4945 backedges. 2605 proven. 0 refuted. 0 times theorem prover too weak. 2340 trivial. 0 not checked. [2020-11-30 01:13:34,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626877615] [2020-11-30 01:13:34,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:13:34,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:13:34,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794996790] [2020-11-30 01:13:34,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:13:34,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:34,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:13:34,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:13:34,537 INFO L87 Difference]: Start difference. First operand 2376 states and 2975 transitions. Second operand 3 states. [2020-11-30 01:13:34,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:34,755 INFO L93 Difference]: Finished difference Result 4739 states and 5928 transitions. [2020-11-30 01:13:34,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:13:34,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 657 [2020-11-30 01:13:34,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:34,761 INFO L225 Difference]: With dead ends: 4739 [2020-11-30 01:13:34,761 INFO L226 Difference]: Without dead ends: 2371 [2020-11-30 01:13:34,763 INFO L677 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 [2020-11-30 01:13:34,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2020-11-30 01:13:34,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 2371. [2020-11-30 01:13:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2371 states. [2020-11-30 01:13:34,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 2920 transitions. [2020-11-30 01:13:34,852 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 2920 transitions. Word has length 657 [2020-11-30 01:13:34,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:34,853 INFO L481 AbstractCegarLoop]: Abstraction has 2371 states and 2920 transitions. [2020-11-30 01:13:34,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:13:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 2920 transitions. [2020-11-30 01:13:34,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2020-11-30 01:13:34,861 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:13:34,861 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 21, 21, 19, 19, 17, 17, 15, 15, 15, 15, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:13:34,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-11-30 01:13:34,862 INFO L429 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:13:34,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:13:34,862 INFO L82 PathProgramCache]: Analyzing trace with hash -372840571, now seen corresponding path program 1 times [2020-11-30 01:13:34,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:13:34,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734648379] [2020-11-30 01:13:34,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:13:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2020-11-30 01:13:35,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734648379] [2020-11-30 01:13:35,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119357216] [2020-11-30 01:13:35,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:13:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:13:35,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:13:35,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:13:36,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2020-11-30 01:13:36,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:13:36,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-30 01:13:36,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606799139] [2020-11-30 01:13:36,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:13:36,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:13:36,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:13:36,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:13:36,007 INFO L87 Difference]: Start difference. First operand 2371 states and 2920 transitions. Second operand 4 states. [2020-11-30 01:13:36,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:13:36,338 INFO L93 Difference]: Finished difference Result 4081 states and 5070 transitions. [2020-11-30 01:13:36,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:13:36,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 723 [2020-11-30 01:13:36,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:13:36,340 INFO L225 Difference]: With dead ends: 4081 [2020-11-30 01:13:36,340 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:13:36,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 728 GetRequests, 725 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:13:36,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:13:36,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:13:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:13:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:13:36,347 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 723 [2020-11-30 01:13:36,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:13:36,347 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:13:36,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:13:36,348 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:13:36,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:13:36,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-11-30 01:13:36,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:13:36,730 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2020-11-30 01:13:38,207 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 437 DAG size of output: 270 [2020-11-30 01:13:38,401 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 109 [2020-11-30 01:13:39,532 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 270 [2020-11-30 01:13:40,451 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 33 [2020-11-30 01:13:40,835 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2020-11-30 01:13:41,307 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 42 [2020-11-30 01:13:41,704 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 32 [2020-11-30 01:13:45,446 WARN L193 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 220 DAG size of output: 111 [2020-11-30 01:13:45,890 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 34 [2020-11-30 01:13:46,387 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 48 [2020-11-30 01:13:46,801 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 24 [2020-11-30 01:13:47,098 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 26 [2020-11-30 01:13:47,454 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 39 [2020-11-30 01:13:51,113 WARN L193 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 220 DAG size of output: 111 [2020-11-30 01:13:51,516 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 34 [2020-11-30 01:13:51,826 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 26 [2020-11-30 01:13:52,252 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 49 [2020-11-30 01:13:52,593 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 29 [2020-11-30 01:13:52,766 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-11-30 01:13:53,034 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 26 [2020-11-30 01:13:53,277 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 29 [2020-11-30 01:13:53,541 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 26 [2020-11-30 01:13:53,888 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 33 [2020-11-30 01:13:54,185 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 19 [2020-11-30 01:13:54,188 INFO L274 CegarLoopResult]: For program point L531(lines 531 537) no Hoare annotation was computed. [2020-11-30 01:13:54,188 INFO L274 CegarLoopResult]: For program point L498(lines 498 500) no Hoare annotation was computed. [2020-11-30 01:13:54,188 INFO L274 CegarLoopResult]: For program point L531-1(lines 531 537) no Hoare annotation was computed. [2020-11-30 01:13:54,188 INFO L274 CegarLoopResult]: For program point L498-2(lines 209 543) no Hoare annotation was computed. [2020-11-30 01:13:54,188 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 01:13:54,188 INFO L274 CegarLoopResult]: For program point L202(lines 202 547) no Hoare annotation was computed. [2020-11-30 01:13:54,188 INFO L274 CegarLoopResult]: For program point L169(lines 169 558) no Hoare annotation was computed. [2020-11-30 01:13:54,188 INFO L274 CegarLoopResult]: For program point L136(lines 136 569) no Hoare annotation was computed. [2020-11-30 01:13:54,189 INFO L274 CegarLoopResult]: For program point L103(lines 103 580) no Hoare annotation was computed. [2020-11-30 01:13:54,189 INFO L274 CegarLoopResult]: For program point L434(lines 434 437) no Hoare annotation was computed. [2020-11-30 01:13:54,189 INFO L274 CegarLoopResult]: For program point L335(lines 335 373) no Hoare annotation was computed. [2020-11-30 01:13:54,189 INFO L270 CegarLoopResult]: At program point L203(lines 199 548) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse3 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-11-30 01:13:54,189 INFO L270 CegarLoopResult]: At program point L104(lines 103 580) the Hoare annotation is: false [2020-11-30 01:13:54,189 INFO L277 CegarLoopResult]: At program point L600(lines 99 601) the Hoare annotation is: true [2020-11-30 01:13:54,189 INFO L274 CegarLoopResult]: For program point L534(lines 534 536) no Hoare annotation was computed. [2020-11-30 01:13:54,190 INFO L270 CegarLoopResult]: At program point L402(lines 393 411) the Hoare annotation is: (let ((.cse0 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse0 .cse1 .cse2 .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-11-30 01:13:54,190 INFO L274 CegarLoopResult]: For program point L205(lines 205 546) no Hoare annotation was computed. [2020-11-30 01:13:54,190 INFO L274 CegarLoopResult]: For program point L172(lines 172 557) no Hoare annotation was computed. [2020-11-30 01:13:54,190 INFO L274 CegarLoopResult]: For program point L139(lines 139 568) no Hoare annotation was computed. [2020-11-30 01:13:54,190 INFO L274 CegarLoopResult]: For program point L106(lines 106 579) no Hoare annotation was computed. [2020-11-30 01:13:54,190 INFO L274 CegarLoopResult]: For program point L338(lines 338 372) no Hoare annotation was computed. [2020-11-30 01:13:54,190 INFO L274 CegarLoopResult]: For program point L338-1(lines 338 372) no Hoare annotation was computed. [2020-11-30 01:13:54,190 INFO L270 CegarLoopResult]: At program point L206(lines 205 546) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-11-30 01:13:54,191 INFO L270 CegarLoopResult]: At program point L173(lines 169 558) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse5 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse5) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:13:54,191 INFO L270 CegarLoopResult]: At program point L140(lines 136 569) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (<= 8480 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse8) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse5 .cse6 .cse7 .cse8))) [2020-11-30 01:13:54,191 INFO L274 CegarLoopResult]: For program point L471(lines 471 473) no Hoare annotation was computed. [2020-11-30 01:13:54,191 INFO L274 CegarLoopResult]: For program point L405(lines 405 407) no Hoare annotation was computed. [2020-11-30 01:13:54,192 INFO L274 CegarLoopResult]: For program point L339(lines 339 369) no Hoare annotation was computed. [2020-11-30 01:13:54,192 INFO L270 CegarLoopResult]: At program point L208(lines 207 546) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-11-30 01:13:54,192 INFO L274 CegarLoopResult]: For program point L175(lines 175 556) no Hoare annotation was computed. [2020-11-30 01:13:54,192 INFO L274 CegarLoopResult]: For program point L142(lines 142 567) no Hoare annotation was computed. [2020-11-30 01:13:54,192 INFO L274 CegarLoopResult]: For program point L109(lines 109 578) no Hoare annotation was computed. [2020-11-30 01:13:54,193 INFO L274 CegarLoopResult]: For program point L605(lines 605 607) no Hoare annotation was computed. [2020-11-30 01:13:54,193 INFO L274 CegarLoopResult]: For program point L605-2(lines 605 607) no Hoare annotation was computed. [2020-11-30 01:13:54,193 INFO L274 CegarLoopResult]: For program point L506(lines 506 509) no Hoare annotation was computed. [2020-11-30 01:13:54,193 INFO L274 CegarLoopResult]: For program point L275(lines 275 277) no Hoare annotation was computed. [2020-11-30 01:13:54,193 INFO L274 CegarLoopResult]: For program point L275-2(lines 209 543) no Hoare annotation was computed. [2020-11-30 01:13:54,193 INFO L274 CegarLoopResult]: For program point L309(lines 309 316) no Hoare annotation was computed. [2020-11-30 01:13:54,193 INFO L274 CegarLoopResult]: For program point L309-2(lines 309 316) no Hoare annotation was computed. [2020-11-30 01:13:54,193 INFO L274 CegarLoopResult]: For program point L244(lines 244 254) no Hoare annotation was computed. [2020-11-30 01:13:54,194 INFO L274 CegarLoopResult]: For program point L178(lines 178 555) no Hoare annotation was computed. [2020-11-30 01:13:54,194 INFO L274 CegarLoopResult]: For program point L145(lines 145 566) no Hoare annotation was computed. [2020-11-30 01:13:54,194 INFO L274 CegarLoopResult]: For program point L112(lines 112 577) no Hoare annotation was computed. [2020-11-30 01:13:54,194 INFO L274 CegarLoopResult]: For program point L344(lines 344 367) no Hoare annotation was computed. [2020-11-30 01:13:54,194 INFO L274 CegarLoopResult]: For program point L245(lines 245 248) no Hoare annotation was computed. [2020-11-30 01:13:54,194 INFO L270 CegarLoopResult]: At program point L212(lines 106 579) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse1 .cse3 .cse6 .cse7 .cse8 .cse9 .cse2 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-11-30 01:13:54,195 INFO L270 CegarLoopResult]: At program point L179(lines 175 556) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse5 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse5) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:13:54,195 INFO L270 CegarLoopResult]: At program point L146(lines 142 567) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse5 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse4 .cse5) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:13:54,195 INFO L277 CegarLoopResult]: At program point L610(lines 12 612) the Hoare annotation is: true [2020-11-30 01:13:54,196 INFO L270 CegarLoopResult]: At program point L544(lines 100 599) the Hoare annotation is: (let ((.cse30 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse31 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (.cse14 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse26 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3)) (.cse28 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse21 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse22 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse23 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse24 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse27 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse16 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse18 (not .cse14)) (.cse19 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (.cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse13 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse5 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not .cse31)) (.cse10 (not .cse30)) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse29 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse15 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse17 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse16 .cse12 .cse17 .cse18) (and .cse8 .cse5 .cse19 .cse18) (and .cse16 .cse20) (and .cse8 .cse0 .cse14 .cse2) (and .cse3 .cse12 .cse17) (and .cse1 .cse12 .cse17) (and .cse7 .cse21 .cse1 .cse22 .cse23 .cse11 .cse2 .cse24 .cse25) (and .cse26 .cse16 .cse24 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse18) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse27 .cse26 .cse14 .cse24) (and .cse8 .cse20) (and .cse0 .cse27 .cse4 .cse5 .cse6 .cse28) (and .cse27 .cse4 .cse5 .cse6 .cse28 .cse18) (and .cse8 .cse12 .cse17 .cse18) (and .cse8 .cse14 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (and .cse7 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse3 .cse21 .cse22 .cse23 .cse11 .cse2 .cse24 .cse25) (and .cse7 .cse1 .cse10 .cse11 .cse12 .cse13 .cse15) (and .cse0 .cse3 .cse2) (and .cse7 .cse3 .cse11 .cse29 .cse12 .cse15) (and .cse27 .cse5 .cse16 .cse19 .cse18) (and .cse8 (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse14) (and .cse0 .cse8 .cse5 .cse19) (and .cse8 .cse14 .cse30) (and .cse7 .cse3 .cse11 .cse12 .cse13 .cse15) (and .cse8 .cse14 .cse31) (and .cse7 .cse1 .cse10 .cse11 .cse29 .cse12 .cse15) (and .cse4 .cse5 .cse1 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse11 .cse29 .cse12 .cse14 .cse15) (and .cse0 .cse8 .cse12 .cse17)))) [2020-11-30 01:13:54,196 INFO L274 CegarLoopResult]: For program point L445(lines 445 447) no Hoare annotation was computed. [2020-11-30 01:13:54,196 INFO L274 CegarLoopResult]: For program point L313(lines 313 315) no Hoare annotation was computed. [2020-11-30 01:13:54,196 INFO L274 CegarLoopResult]: For program point L181(lines 181 554) no Hoare annotation was computed. [2020-11-30 01:13:54,196 INFO L274 CegarLoopResult]: For program point L148(lines 148 565) no Hoare annotation was computed. [2020-11-30 01:13:54,196 INFO L274 CegarLoopResult]: For program point L115(lines 115 576) no Hoare annotation was computed. [2020-11-30 01:13:54,197 INFO L274 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-11-30 01:13:54,197 INFO L274 CegarLoopResult]: For program point L347-2(lines 347 351) no Hoare annotation was computed. [2020-11-30 01:13:54,197 INFO L274 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-11-30 01:13:54,197 INFO L274 CegarLoopResult]: For program point L480(lines 480 482) no Hoare annotation was computed. [2020-11-30 01:13:54,197 INFO L274 CegarLoopResult]: For program point L381(lines 381 413) no Hoare annotation was computed. [2020-11-30 01:13:54,197 INFO L274 CegarLoopResult]: For program point L514(lines 514 516) no Hoare annotation was computed. [2020-11-30 01:13:54,197 INFO L274 CegarLoopResult]: For program point L448(lines 448 457) no Hoare annotation was computed. [2020-11-30 01:13:54,197 INFO L274 CegarLoopResult]: For program point L382(lines 382 388) no Hoare annotation was computed. [2020-11-30 01:13:54,198 INFO L274 CegarLoopResult]: For program point L217(lines 217 219) no Hoare annotation was computed. [2020-11-30 01:13:54,198 INFO L274 CegarLoopResult]: For program point L184(lines 184 553) no Hoare annotation was computed. [2020-11-30 01:13:54,198 INFO L274 CegarLoopResult]: For program point L151(lines 151 564) no Hoare annotation was computed. [2020-11-30 01:13:54,198 INFO L274 CegarLoopResult]: For program point L217-2(lines 217 219) no Hoare annotation was computed. [2020-11-30 01:13:54,198 INFO L274 CegarLoopResult]: For program point L118(lines 118 575) no Hoare annotation was computed. [2020-11-30 01:13:54,198 INFO L274 CegarLoopResult]: For program point L581(lines 581 597) no Hoare annotation was computed. [2020-11-30 01:13:54,198 INFO L270 CegarLoopResult]: At program point L515(lines 73 611) the Hoare annotation is: false [2020-11-30 01:13:54,199 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:13:54,199 INFO L270 CegarLoopResult]: At program point L185(lines 181 554) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse0))) [2020-11-30 01:13:54,199 INFO L270 CegarLoopResult]: At program point L152(lines 148 565) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse5 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse4 .cse5) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:13:54,199 INFO L274 CegarLoopResult]: For program point L86(lines 86 88) no Hoare annotation was computed. [2020-11-30 01:13:54,199 INFO L274 CegarLoopResult]: For program point L86-2(lines 83 89) no Hoare annotation was computed. [2020-11-30 01:13:54,199 INFO L274 CegarLoopResult]: For program point L582(lines 582 596) no Hoare annotation was computed. [2020-11-30 01:13:54,200 INFO L274 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-11-30 01:13:54,200 INFO L274 CegarLoopResult]: For program point L483-2(lines 483 487) no Hoare annotation was computed. [2020-11-30 01:13:54,200 INFO L274 CegarLoopResult]: For program point L583(lines 583 588) no Hoare annotation was computed. [2020-11-30 01:13:54,200 INFO L274 CegarLoopResult]: For program point L517(lines 517 519) no Hoare annotation was computed. [2020-11-30 01:13:54,200 INFO L274 CegarLoopResult]: For program point L583-2(lines 582 596) no Hoare annotation was computed. [2020-11-30 01:13:54,200 INFO L274 CegarLoopResult]: For program point L187(lines 187 552) no Hoare annotation was computed. [2020-11-30 01:13:54,200 INFO L274 CegarLoopResult]: For program point L154(lines 154 563) no Hoare annotation was computed. [2020-11-30 01:13:54,200 INFO L274 CegarLoopResult]: For program point L121(lines 121 574) no Hoare annotation was computed. [2020-11-30 01:13:54,201 INFO L274 CegarLoopResult]: For program point L452(lines 452 454) no Hoare annotation was computed. [2020-11-30 01:13:54,201 INFO L270 CegarLoopResult]: At program point L122(lines 118 575) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (<= 8480 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)))) [2020-11-30 01:13:54,201 INFO L274 CegarLoopResult]: For program point L585(lines 585 587) no Hoare annotation was computed. [2020-11-30 01:13:54,201 INFO L274 CegarLoopResult]: For program point L288(lines 288 294) no Hoare annotation was computed. [2020-11-30 01:13:54,201 INFO L274 CegarLoopResult]: For program point L222(lines 222 224) no Hoare annotation was computed. [2020-11-30 01:13:54,201 INFO L274 CegarLoopResult]: For program point L355(lines 355 363) no Hoare annotation was computed. [2020-11-30 01:13:54,201 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:13:54,202 INFO L274 CegarLoopResult]: For program point L190(lines 190 551) no Hoare annotation was computed. [2020-11-30 01:13:54,202 INFO L274 CegarLoopResult]: For program point L157(lines 157 562) no Hoare annotation was computed. [2020-11-30 01:13:54,202 INFO L274 CegarLoopResult]: For program point L124(lines 124 573) no Hoare annotation was computed. [2020-11-30 01:13:54,202 INFO L274 CegarLoopResult]: For program point L91(lines 91 95) no Hoare annotation was computed. [2020-11-30 01:13:54,202 INFO L274 CegarLoopResult]: For program point L91-1(lines 73 611) no Hoare annotation was computed. [2020-11-30 01:13:54,202 INFO L274 CegarLoopResult]: For program point L521(lines 521 525) no Hoare annotation was computed. [2020-11-30 01:13:54,202 INFO L274 CegarLoopResult]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2020-11-30 01:13:54,203 INFO L270 CegarLoopResult]: At program point L356(lines 332 374) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse5 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse4 .cse5) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:13:54,203 INFO L270 CegarLoopResult]: At program point L191(lines 187 552) the Hoare annotation is: (let ((.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse0 .cse1) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3 .cse0 .cse1) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1))) [2020-11-30 01:13:54,203 INFO L270 CegarLoopResult]: At program point L158(lines 154 563) the Hoare annotation is: (let ((.cse0 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse0 .cse1 .cse2 .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-11-30 01:13:54,203 INFO L270 CegarLoopResult]: At program point L125(lines 124 573) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (<= 8480 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2020-11-30 01:13:54,203 INFO L274 CegarLoopResult]: For program point L92(lines 92 94) no Hoare annotation was computed. [2020-11-30 01:13:54,204 INFO L274 CegarLoopResult]: For program point L423(lines 423 425) no Hoare annotation was computed. [2020-11-30 01:13:54,204 INFO L270 CegarLoopResult]: At program point L390(lines 381 413) the Hoare annotation is: (let ((.cse0 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse0 .cse1 .cse2 .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-11-30 01:13:54,204 INFO L274 CegarLoopResult]: For program point L291(lines 291 293) no Hoare annotation was computed. [2020-11-30 01:13:54,204 INFO L274 CegarLoopResult]: For program point L291-2(lines 209 543) no Hoare annotation was computed. [2020-11-30 01:13:54,204 INFO L277 CegarLoopResult]: At program point L622(lines 613 624) the Hoare annotation is: true [2020-11-30 01:13:54,204 INFO L274 CegarLoopResult]: For program point L358(lines 358 360) no Hoare annotation was computed. [2020-11-30 01:13:54,204 INFO L274 CegarLoopResult]: For program point L193(lines 193 550) no Hoare annotation was computed. [2020-11-30 01:13:54,205 INFO L274 CegarLoopResult]: For program point L160(lines 160 561) no Hoare annotation was computed. [2020-11-30 01:13:54,205 INFO L274 CegarLoopResult]: For program point L127(lines 127 572) no Hoare annotation was computed. [2020-11-30 01:13:54,205 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:13:54,205 INFO L274 CegarLoopResult]: For program point L590(lines 590 594) no Hoare annotation was computed. [2020-11-30 01:13:54,205 INFO L274 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-11-30 01:13:54,205 INFO L274 CegarLoopResult]: For program point L260(lines 260 262) no Hoare annotation was computed. [2020-11-30 01:13:54,205 INFO L274 CegarLoopResult]: For program point L326-2(lines 209 543) no Hoare annotation was computed. [2020-11-30 01:13:54,205 INFO L274 CegarLoopResult]: For program point L227(lines 227 238) no Hoare annotation was computed. [2020-11-30 01:13:54,206 INFO L274 CegarLoopResult]: For program point L227-2(lines 209 543) no Hoare annotation was computed. [2020-11-30 01:13:54,206 INFO L274 CegarLoopResult]: For program point L393(lines 393 411) no Hoare annotation was computed. [2020-11-30 01:13:54,206 INFO L274 CegarLoopResult]: For program point L493(lines 493 496) no Hoare annotation was computed. [2020-11-30 01:13:54,206 INFO L274 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-11-30 01:13:54,206 INFO L274 CegarLoopResult]: For program point L229(lines 229 232) no Hoare annotation was computed. [2020-11-30 01:13:54,206 INFO L274 CegarLoopResult]: For program point L196(lines 196 549) no Hoare annotation was computed. [2020-11-30 01:13:54,206 INFO L274 CegarLoopResult]: For program point L163(lines 163 560) no Hoare annotation was computed. [2020-11-30 01:13:54,206 INFO L274 CegarLoopResult]: For program point L130(lines 130 571) no Hoare annotation was computed. [2020-11-30 01:13:54,207 INFO L270 CegarLoopResult]: At program point L197(lines 193 550) the Hoare annotation is: (let ((.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse4 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse3 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse5) (and .cse7 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse7 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse2 .cse5))) [2020-11-30 01:13:54,207 INFO L270 CegarLoopResult]: At program point L164(lines 160 561) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2 .cse3) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 .cse3))) [2020-11-30 01:13:54,207 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:13:54,207 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:13:54,207 INFO L274 CegarLoopResult]: For program point L462(lines 462 464) no Hoare annotation was computed. [2020-11-30 01:13:54,207 INFO L274 CegarLoopResult]: For program point L298(lines 298 302) no Hoare annotation was computed. [2020-11-30 01:13:54,208 INFO L274 CegarLoopResult]: For program point L298-2(lines 298 302) no Hoare annotation was computed. [2020-11-30 01:13:54,208 INFO L274 CegarLoopResult]: For program point L199(lines 199 548) no Hoare annotation was computed. [2020-11-30 01:13:54,208 INFO L274 CegarLoopResult]: For program point L166(lines 166 559) no Hoare annotation was computed. [2020-11-30 01:13:54,208 INFO L274 CegarLoopResult]: For program point L133(lines 133 570) no Hoare annotation was computed. [2020-11-30 01:13:54,209 INFO L270 CegarLoopResult]: At program point L100-2(lines 100 599) the Hoare annotation is: (let ((.cse30 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse31 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (.cse14 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (let ((.cse26 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3)) (.cse28 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse21 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse22 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse23 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse24 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse27 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse16 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse18 (not .cse14)) (.cse19 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (.cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse13 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse5 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not .cse31)) (.cse10 (not .cse30)) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse29 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse15 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse17 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse16 .cse12 .cse17 .cse18) (and .cse8 .cse5 .cse19 .cse18) (and .cse16 .cse20) (and .cse8 .cse0 .cse14 .cse2) (and .cse3 .cse12 .cse17) (and .cse1 .cse12 .cse17) (and .cse7 .cse21 .cse1 .cse22 .cse23 .cse11 .cse2 .cse24 .cse25) (and .cse26 .cse16 .cse24 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse18) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse27 .cse26 .cse14 .cse24) (and .cse8 .cse20) (and .cse0 .cse27 .cse4 .cse5 .cse6 .cse28) (and .cse27 .cse4 .cse5 .cse6 .cse28 .cse18) (and .cse8 .cse12 .cse17 .cse18) (and .cse8 .cse14 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512)) (and .cse7 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse3 .cse21 .cse22 .cse23 .cse11 .cse2 .cse24 .cse25) (and .cse7 .cse1 .cse10 .cse11 .cse12 .cse13 .cse15) (and .cse0 .cse3 .cse2) (and .cse7 .cse3 .cse11 .cse29 .cse12 .cse15) (and .cse27 .cse5 .cse16 .cse19 .cse18) (and .cse8 (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse14) (and .cse0 .cse8 .cse5 .cse19) (and .cse8 .cse14 .cse30) (and .cse7 .cse3 .cse11 .cse12 .cse13 .cse15) (and .cse8 .cse14 .cse31) (and .cse7 .cse1 .cse10 .cse11 .cse29 .cse12 .cse15) (and .cse4 .cse5 .cse1 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse11 .cse29 .cse12 .cse14 .cse15) (and .cse0 .cse8 .cse12 .cse17)))) [2020-11-30 01:13:54,209 INFO L274 CegarLoopResult]: For program point L431-1(lines 431 439) no Hoare annotation was computed. [2020-11-30 01:13:54,209 INFO L274 CegarLoopResult]: For program point L233(lines 233 236) no Hoare annotation was computed. [2020-11-30 01:13:54,209 INFO L270 CegarLoopResult]: At program point L167(lines 166 559) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse3 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse2 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2) (and .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse2 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) (not .cse3)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse1 .cse3 .cse2) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse0 .cse1 .cse3 .cse2))) [2020-11-30 01:13:54,209 INFO L270 CegarLoopResult]: At program point L134(lines 127 572) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse2 .cse5 .cse6 .cse7 .cse8 .cse9 .cse1 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse10))) [2020-11-30 01:13:54,209 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-30 01:13:54,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:13:54 BoogieIcfgContainer [2020-11-30 01:13:54,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:13:54,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:13:54,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:13:54,254 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:13:54,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:13:11" (3/4) ... [2020-11-30 01:13:54,258 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:13:54,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 01:13:54,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:13:54,277 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:13:54,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:13:54,376 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b9973112-b160-4af5-af3a-5a7378ab0b98/bin/uautomizer/witness.graphml [2020-11-30 01:13:54,376 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:13:54,377 INFO L168 Benchmark]: Toolchain (without parser) took 44910.28 ms. Allocated memory was 115.3 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 82.3 MB in the beginning and 604.1 MB in the end (delta: -521.8 MB). Peak memory consumption was 736.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:54,377 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 81.8 MB. Free memory was 53.1 MB in the beginning and 53.1 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:13:54,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.70 ms. Allocated memory is still 115.3 MB. Free memory was 82.3 MB in the beginning and 88.4 MB in the end (delta: -6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:54,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.57 ms. Allocated memory is still 115.3 MB. Free memory was 88.4 MB in the beginning and 85.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:54,378 INFO L168 Benchmark]: Boogie Preprocessor took 62.22 ms. Allocated memory is still 115.3 MB. Free memory was 85.4 MB in the beginning and 83.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:54,379 INFO L168 Benchmark]: RCFGBuilder took 1479.70 ms. Allocated memory is still 115.3 MB. Free memory was 83.3 MB in the beginning and 80.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:54,379 INFO L168 Benchmark]: TraceAbstraction took 42616.58 ms. Allocated memory was 115.3 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 80.6 MB in the beginning and 617.9 MB in the end (delta: -537.3 MB). Peak memory consumption was 819.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:54,379 INFO L168 Benchmark]: Witness Printer took 122.10 ms. Allocated memory is still 1.4 GB. Free memory was 617.9 MB in the beginning and 604.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:13:54,381 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 81.8 MB. Free memory was 53.1 MB in the beginning and 53.1 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 555.70 ms. Allocated memory is still 115.3 MB. Free memory was 82.3 MB in the beginning and 88.4 MB in the end (delta: -6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.57 ms. Allocated memory is still 115.3 MB. Free memory was 88.4 MB in the beginning and 85.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.22 ms. Allocated memory is still 115.3 MB. Free memory was 85.4 MB in the beginning and 83.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1479.70 ms. Allocated memory is still 115.3 MB. Free memory was 83.3 MB in the beginning and 80.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 42616.58 ms. Allocated memory was 115.3 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 80.6 MB in the beginning and 617.9 MB in the end (delta: -537.3 MB). Peak memory consumption was 819.4 MB. Max. memory is 16.1 GB. * Witness Printer took 122.10 ms. Allocated memory is still 1.4 GB. Free memory was 617.9 MB in the beginning and 604.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 332]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 2 && !(s__state == 8545)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__hit == 0) && s__state <= 8576) && 8512 <= s__state) || ((((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state)) || ((((((!(s__state == 8545) && !(s__state == 8544)) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && 8480 <= s__state) && !(s__state == 8544)) && blastFlag == 1) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) || (((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && blastFlag == 0) && 8480 <= s__state) && !(s__state == 8544)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576)) || ((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(8496 == s__state)) && 8480 <= s__state) && !(s__state == 8544)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && s__hit == 0) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 8673) && blastFlag <= 3) && s__state <= 8672) && 8656 <= s__state) && s__s3__tmp__next_state___0 <= 8640) && !(12292 == s__state)) && !(s__state == 8672)) && !(s__hit == 0)) || ((((!(s__state == 8673) && s__state <= 8672) && 8656 <= s__state) && blastFlag == 1) && !(s__state == 8672))) || (((((((blastFlag <= 2 && !(s__state == 8673)) && blastFlag <= 3) && s__state <= 8672) && 8656 <= s__state) && !(12292 == s__state)) && !(s__state == 8672)) && !(s__hit == 0))) || (((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && !(s__state == 8673)) && blastFlag <= 3) && s__state <= 8672) && 8656 <= s__state) && !(12292 == s__state)) && !(s__state == 8672))) || ((((!(s__state == 8673) && blastFlag == 0) && 8656 <= s__state) && s__state <= 8672) && !(s__state == 8672)) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 2 && !(s__state == 8545)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__hit == 0) && s__state <= 8576) && 8512 <= s__state) || ((((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state)) || ((((((!(s__state == 8545) && !(s__state == 8544)) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 1) && s__state <= 8576) || (((blastFlag == 0 && s__state <= 8672) && 8656 <= s__state) && !(s__state == 8657))) || (((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && s__state == 8608) && s__hit == 0) && 8512 <= s__state)) || (((s__s3__tmp__next_state___0 <= 8640 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || (((blastFlag <= 2 && 8656 <= s__state) && s__state <= 8656) && !(s__hit == 0))) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) && s__state <= 8576)) || ((blastFlag == 0 && s__state <= 8640) && 8640 <= s__state)) || ((blastFlag == 1 && s__state <= 8640) && 8640 <= s__state)) || ((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || ((((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state <= 8448) && s__hit == 0) && 8448 <= s__state)) || (blastFlag <= 2 && s__state <= 3)) || (((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 3) && s__state <= 8672) && 8656 <= s__state) && !(s__state == 8657)) && !(s__state == 8656))) || (((((blastFlag <= 3 && s__state <= 8672) && 8656 <= s__state) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__hit == 0))) || (((blastFlag <= 2 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || ((blastFlag <= 2 && s__hit == 0) && s__state == 8512)) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || ((((((!(s__state == 8545) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && s__state == 8608) && 8512 <= s__state)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 0) && s__state <= 8576)) || (((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8561)) && s__state == 8592) && s__state <= 8640) && 8512 <= s__state)) || ((((blastFlag <= 3 && 8656 <= s__state) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8656) && !(s__hit == 0))) || ((blastFlag <= 2 && s__state == 8528) && s__hit == 0)) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && 8656 <= s__state) && s__state <= 8656)) || ((blastFlag <= 2 && s__hit == 0) && 8560 == s__state)) || (((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8561)) && s__state <= 8640) && s__state == 8608) && 8512 <= s__state)) || ((blastFlag <= 2 && s__hit == 0) && s__state == 8544)) || ((((((!(s__state == 8545) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && s__state <= 8640) && 8512 <= s__state)) || (((s__state <= 8672 && 8656 <= s__state) && blastFlag == 1) && !(s__state == 8657))) || (((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && s__state <= 8640) && s__hit == 0) && 8512 <= s__state)) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && s__state <= 8640) && 8640 <= s__state) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8512 <= s__state) || ((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && s__hit == 0) && 8512 <= s__state)) || ((((((!(s__state == 8545) && !(s__state == 8544)) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8512 <= s__state) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8481)) || ((((((((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && !(s__state == 8545)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8481))) || (((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8481)) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((blastFlag == 1 && s__state <= 8640) && 8640 <= s__state) || (((s__s3__tmp__next_state___0 <= 8640 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || (((blastFlag <= 2 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && s__state <= 8640) && 8640 <= s__state)) || ((blastFlag == 0 && s__state <= 8640) && 8640 <= s__state) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: ((((((blastFlag <= 2 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && s__hit == 0) && 8512 <= s__state) || ((((blastFlag == 1 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state)) || ((((blastFlag == 0 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && !(s__state == 8545)) && 8480 <= s__state) && !(s__state == 8480)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && s__hit == 0) && !(s__state == 8481)) || (((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag == 0) && 8480 <= s__state) && !(s__state == 8480)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8481))) || ((((((((!(s__state == 8545) && 8480 <= s__state) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8481)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 1) && s__state <= 8576) || (((blastFlag == 0 && s__state <= 8672) && 8656 <= s__state) && !(s__state == 8657))) || (((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && s__state == 8608) && s__hit == 0) && 8512 <= s__state)) || (((s__s3__tmp__next_state___0 <= 8640 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || (((blastFlag <= 2 && 8656 <= s__state) && s__state <= 8656) && !(s__hit == 0))) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__hit == 0) && s__state <= 8576)) || ((blastFlag == 0 && s__state <= 8640) && 8640 <= s__state)) || ((blastFlag == 1 && s__state <= 8640) && 8640 <= s__state)) || ((((((((!(s__state == 8545) && !(s__state == 8480)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || ((((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state <= 8448) && s__hit == 0) && 8448 <= s__state)) || (blastFlag <= 2 && s__state <= 3)) || (((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 3) && s__state <= 8672) && 8656 <= s__state) && !(s__state == 8657)) && !(s__state == 8656))) || (((((blastFlag <= 3 && s__state <= 8672) && 8656 <= s__state) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__hit == 0))) || (((blastFlag <= 2 && s__state <= 8640) && 8640 <= s__state) && !(s__hit == 0))) || ((blastFlag <= 2 && s__hit == 0) && s__state == 8512)) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || ((((((!(s__state == 8545) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && s__state == 8608) && 8512 <= s__state)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 0) && s__state <= 8576)) || (((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8561)) && s__state == 8592) && s__state <= 8640) && 8512 <= s__state)) || ((((blastFlag <= 3 && 8656 <= s__state) && s__s3__tmp__next_state___0 <= 8640) && s__state <= 8656) && !(s__hit == 0))) || ((blastFlag <= 2 && s__state == 8528) && s__hit == 0)) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && 8656 <= s__state) && s__state <= 8656)) || ((blastFlag <= 2 && s__hit == 0) && 8560 == s__state)) || (((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8561)) && s__state <= 8640) && s__state == 8608) && 8512 <= s__state)) || ((blastFlag <= 2 && s__hit == 0) && s__state == 8544)) || ((((((!(s__state == 8545) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && s__state <= 8640) && 8512 <= s__state)) || (((s__state <= 8672 && 8656 <= s__state) && blastFlag == 1) && !(s__state == 8657))) || (((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state == 8592) && s__state <= 8640) && s__hit == 0) && 8512 <= s__state)) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && s__state <= 8640) && 8640 <= s__state) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8512 <= s__state) || ((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && s__hit == 0) && 8512 <= s__state)) || ((((((!(s__state == 8545) && !(s__state == 8544)) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && 8512 <= s__state) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((!(s__state == 8545) && !(s__state == 8544)) && blastFlag == 1) && s__state <= 8576) && 8512 <= s__state) || ((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8544)) && s__state <= 8576) && 8512 <= s__state)) || (((((!(s__state == 8545) && blastFlag <= 2) && !(s__state == 8544)) && s__hit == 0) && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && blastFlag == 1) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && blastFlag == 0) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481))) || (((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && blastFlag <= 2) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && s__hit == 0) && !(s__state == 8481)) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ((((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && blastFlag == 1) && 8448 <= s__state) || ((((s__state <= 8448 && s__s3__tmp__next_state___0 <= 8640) && 8448 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 0) && s__state <= 8448) && 8448 <= s__state)) || ((((s__s3__tmp__next_state___0 <= 3 && blastFlag <= 3) && s__state <= 8448) && s__hit == 0) && 8448 <= s__state)) || ((((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448) && s__hit == 0) && 8448 <= s__state) - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 8545) && !(8496 == s__state)) && 8480 <= s__state) && !(s__state == 8480)) && !(s__state == 8544)) && s__s3__tmp__next_state___0 <= 8640) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && !(s__state == 8481)) || ((((((((((!(s__state == 8545) && blastFlag <= 2) && !(8496 == s__state)) && 8480 <= s__state) && !(s__state == 8480)) && !(s__state == 8544)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8640) && !(s__state == 8481)) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((((((blastFlag <= 2 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && s__hit == 0) && 8512 <= s__state) || ((((blastFlag == 1 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state)) || ((((blastFlag == 0 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: (((((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 3) && 8656 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 8656)) || (((((blastFlag <= 3 && 8656 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 8656)) && !(s__hit == 0))) || ((((8656 <= s__state && blastFlag == 1) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 8656))) || ((((blastFlag == 0 && 8656 <= s__state) && !(s__state == 8657)) && !(12292 == s__state)) && !(s__state == 8656)) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((((((blastFlag <= 2 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && s__hit == 0) && 8512 <= s__state) || ((((blastFlag == 1 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state)) || ((((blastFlag == 0 && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 2 && !(s__state == 8545)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__hit == 0) && s__state <= 8576) && 8512 <= s__state) || ((((((!(s__state == 8545) && blastFlag == 0) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state)) || ((((((!(s__state == 8545) && !(s__state == 8544)) && blastFlag == 1) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8512 <= s__state) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((s__s3__tmp__next_state___0 <= 8576 && blastFlag <= 2) && s__state == 8608) && s__hit == 0) || (blastFlag == 0 && s__state == 8608)) || (blastFlag == 1 && s__state == 8608) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 142 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.8s, OverallIterations: 39, TraceHistogramMax: 24, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7382 SDtfs, 4553 SDslu, 3427 SDs, 0 SdLazy, 3933 SolverSat, 1076 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3121 GetRequests, 3066 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5055occurred in iteration=30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 39 MinimizatonAttempts, 6779 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 260 NumberOfFragments, 2695 HoareAnnotationTreeSize, 28 FomulaSimplifications, 471743 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 28 FomulaSimplificationsInter, 65500 FormulaSimplificationTreeSizeReductionInter, 14.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 11577 NumberOfCodeBlocks, 11577 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 11530 ConstructedInterpolants, 0 QuantifiedInterpolants, 5297671 SizeOfPredicates, 9 NumberOfNonLiveVariables, 5044 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 47 InterpolantComputations, 35 PerfectInterpolantSequences, 44574/44754 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...