./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.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_0aa4367d-3f33-44be-96ac-5524aca80790/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/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 3c1b0557200bb93e177956c2673df3bb0520e234 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:50:28,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:50:28,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:50:28,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:50:28,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:50:28,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:50:28,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:50:28,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:50:28,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:50:28,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:50:28,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:50:28,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:50:28,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:50:28,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:50:28,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:50:28,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:50:28,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:50:28,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:50:28,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:50:28,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:50:28,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:50:28,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:50:28,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:50:28,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:50:28,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:50:28,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:50:28,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:50:28,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:50:28,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:50:28,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:50:28,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:50:28,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:50:28,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:50:28,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:50:28,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:50:28,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:50:28,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:50:28,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:50:28,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:50:28,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:50:28,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:50:28,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 20:50:28,982 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:50:28,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:50:28,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:50:28,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:50:28,989 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:50:28,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:50:28,989 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:50:28,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:50:28,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:50:28,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:50:28,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:50:28,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:50:28,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:50:28,992 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:50:28,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:50:28,992 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:50:28,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:50:28,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:50:28,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:50:28,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:50:28,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:50:28,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:50:28,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:50:28,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:50:28,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:50:28,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:50:28,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:50:28,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:50:28,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:50:28,995 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_0aa4367d-3f33-44be-96ac-5524aca80790/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c1b0557200bb93e177956c2673df3bb0520e234 [2020-11-29 20:50:29,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:50:29,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:50:29,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:50:29,286 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:50:29,287 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:50:29,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/bin/uautomizer/../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2020-11-29 20:50:29,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/bin/uautomizer/data/841e8c871/aced536af377472bb932d46c046bf5a2/FLAG537fd36d3 [2020-11-29 20:50:29,868 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:50:29,868 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2020-11-29 20:50:29,881 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/bin/uautomizer/data/841e8c871/aced536af377472bb932d46c046bf5a2/FLAG537fd36d3 [2020-11-29 20:50:30,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/bin/uautomizer/data/841e8c871/aced536af377472bb932d46c046bf5a2 [2020-11-29 20:50:30,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:50:30,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:50:30,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:50:30,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:50:30,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:50:30,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:50:30" (1/1) ... [2020-11-29 20:50:30,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767609ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:30, skipping insertion in model container [2020-11-29 20:50:30,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:50:30" (1/1) ... [2020-11-29 20:50:30,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:50:30,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:50:30,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:50:30,604 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:50:30,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:50:30,693 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:50:30,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:30 WrapperNode [2020-11-29 20:50:30,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:50:30,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:50:30,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:50:30,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:50:30,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:30" (1/1) ... [2020-11-29 20:50:30,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:30" (1/1) ... [2020-11-29 20:50:30,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:50:30,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:50:30,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:50:30,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:50:30,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:30" (1/1) ... [2020-11-29 20:50:30,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:30" (1/1) ... [2020-11-29 20:50:30,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:30" (1/1) ... [2020-11-29 20:50:30,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:30" (1/1) ... [2020-11-29 20:50:30,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:30" (1/1) ... [2020-11-29 20:50:30,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:30" (1/1) ... [2020-11-29 20:50:30,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:30" (1/1) ... [2020-11-29 20:50:30,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:50:30,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:50:30,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:50:30,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:50:30,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/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 [2020-11-29 20:50:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:50:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:50:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:50:30,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:50:31,154 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 20:50:31,819 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-11-29 20:50:31,819 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-11-29 20:50:31,837 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:50:31,837 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 20:50:31,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:50:31 BoogieIcfgContainer [2020-11-29 20:50:31,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:50:31,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:50:31,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:50:31,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:50:31,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:50:30" (1/3) ... [2020-11-29 20:50:31,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5ccd2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:50:31, skipping insertion in model container [2020-11-29 20:50:31,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:50:30" (2/3) ... [2020-11-29 20:50:31,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5ccd2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:50:31, skipping insertion in model container [2020-11-29 20:50:31,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:50:31" (3/3) ... [2020-11-29 20:50:31,851 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2020-11-29 20:50:31,866 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:50:31,871 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 20:50:31,883 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 20:50:31,917 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:50:31,917 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:50:31,917 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:50:31,917 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:50:31,917 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:50:31,917 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:50:31,917 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:50:31,917 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:50:31,933 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2020-11-29 20:50:31,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 20:50:31,946 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:31,946 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] [2020-11-29 20:50:31,947 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:31,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:31,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2020-11-29 20:50:31,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:31,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24346038] [2020-11-29 20:50:31,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:50:32,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24346038] [2020-11-29 20:50:32,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:32,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:32,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901958759] [2020-11-29 20:50:32,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:32,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:32,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:32,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:32,336 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2020-11-29 20:50:32,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:32,816 INFO L93 Difference]: Finished difference Result 324 states and 560 transitions. [2020-11-29 20:50:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:32,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-11-29 20:50:32,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:32,836 INFO L225 Difference]: With dead ends: 324 [2020-11-29 20:50:32,836 INFO L226 Difference]: Without dead ends: 171 [2020-11-29 20:50:32,840 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 [2020-11-29 20:50:32,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-11-29 20:50:32,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 166. [2020-11-29 20:50:32,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-11-29 20:50:32,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 271 transitions. [2020-11-29 20:50:32,901 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 271 transitions. Word has length 44 [2020-11-29 20:50:32,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:32,903 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 271 transitions. [2020-11-29 20:50:32,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:32,904 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 271 transitions. [2020-11-29 20:50:32,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 20:50:32,908 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:32,908 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] [2020-11-29 20:50:32,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 20:50:32,909 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:32,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:32,910 INFO L82 PathProgramCache]: Analyzing trace with hash -954579415, now seen corresponding path program 1 times [2020-11-29 20:50:32,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:32,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204647182] [2020-11-29 20:50:32,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:33,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:50:33,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204647182] [2020-11-29 20:50:33,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:33,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:33,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006031420] [2020-11-29 20:50:33,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:33,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:33,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:33,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:33,029 INFO L87 Difference]: Start difference. First operand 166 states and 271 transitions. Second operand 3 states. [2020-11-29 20:50:33,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:33,310 INFO L93 Difference]: Finished difference Result 372 states and 616 transitions. [2020-11-29 20:50:33,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:33,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-11-29 20:50:33,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:33,315 INFO L225 Difference]: With dead ends: 372 [2020-11-29 20:50:33,315 INFO L226 Difference]: Without dead ends: 212 [2020-11-29 20:50:33,317 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 [2020-11-29 20:50:33,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-11-29 20:50:33,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2020-11-29 20:50:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-11-29 20:50:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 348 transitions. [2020-11-29 20:50:33,353 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 348 transitions. Word has length 45 [2020-11-29 20:50:33,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:33,354 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 348 transitions. [2020-11-29 20:50:33,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:33,354 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 348 transitions. [2020-11-29 20:50:33,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 20:50:33,364 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:33,364 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] [2020-11-29 20:50:33,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 20:50:33,365 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:33,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:33,367 INFO L82 PathProgramCache]: Analyzing trace with hash -420309214, now seen corresponding path program 1 times [2020-11-29 20:50:33,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:33,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822911951] [2020-11-29 20:50:33,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:33,478 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:50:33,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822911951] [2020-11-29 20:50:33,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:33,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:33,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105214326] [2020-11-29 20:50:33,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:33,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:33,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:33,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:33,490 INFO L87 Difference]: Start difference. First operand 207 states and 348 transitions. Second operand 3 states. [2020-11-29 20:50:33,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:33,720 INFO L93 Difference]: Finished difference Result 437 states and 742 transitions. [2020-11-29 20:50:33,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:33,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-11-29 20:50:33,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:33,724 INFO L225 Difference]: With dead ends: 437 [2020-11-29 20:50:33,724 INFO L226 Difference]: Without dead ends: 238 [2020-11-29 20:50:33,725 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 [2020-11-29 20:50:33,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-11-29 20:50:33,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2020-11-29 20:50:33,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-11-29 20:50:33,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 404 transitions. [2020-11-29 20:50:33,751 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 404 transitions. Word has length 72 [2020-11-29 20:50:33,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:33,753 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 404 transitions. [2020-11-29 20:50:33,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:33,753 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 404 transitions. [2020-11-29 20:50:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-29 20:50:33,756 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:33,757 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] [2020-11-29 20:50:33,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 20:50:33,757 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:33,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:33,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1606429448, now seen corresponding path program 1 times [2020-11-29 20:50:33,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:33,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083766363] [2020-11-29 20:50:33,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 20:50:33,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083766363] [2020-11-29 20:50:33,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:33,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:33,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556587184] [2020-11-29 20:50:33,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:33,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:33,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:33,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:33,856 INFO L87 Difference]: Start difference. First operand 238 states and 404 transitions. Second operand 3 states. [2020-11-29 20:50:34,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:34,017 INFO L93 Difference]: Finished difference Result 485 states and 824 transitions. [2020-11-29 20:50:34,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:34,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-11-29 20:50:34,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:34,019 INFO L225 Difference]: With dead ends: 485 [2020-11-29 20:50:34,019 INFO L226 Difference]: Without dead ends: 255 [2020-11-29 20:50:34,020 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 [2020-11-29 20:50:34,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-11-29 20:50:34,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2020-11-29 20:50:34,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-11-29 20:50:34,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 427 transitions. [2020-11-29 20:50:34,039 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 427 transitions. Word has length 84 [2020-11-29 20:50:34,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:34,040 INFO L481 AbstractCegarLoop]: Abstraction has 253 states and 427 transitions. [2020-11-29 20:50:34,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:34,040 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 427 transitions. [2020-11-29 20:50:34,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-29 20:50:34,042 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:34,043 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] [2020-11-29 20:50:34,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 20:50:34,043 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:34,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:34,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1610778141, now seen corresponding path program 1 times [2020-11-29 20:50:34,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:34,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361638944] [2020-11-29 20:50:34,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:50:34,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361638944] [2020-11-29 20:50:34,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:34,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:34,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040067446] [2020-11-29 20:50:34,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:34,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:34,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:34,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:34,162 INFO L87 Difference]: Start difference. First operand 253 states and 427 transitions. Second operand 3 states. [2020-11-29 20:50:34,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:34,449 INFO L93 Difference]: Finished difference Result 544 states and 923 transitions. [2020-11-29 20:50:34,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:34,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-11-29 20:50:34,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:34,454 INFO L225 Difference]: With dead ends: 544 [2020-11-29 20:50:34,454 INFO L226 Difference]: Without dead ends: 299 [2020-11-29 20:50:34,455 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 [2020-11-29 20:50:34,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-11-29 20:50:34,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 295. [2020-11-29 20:50:34,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-11-29 20:50:34,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 501 transitions. [2020-11-29 20:50:34,463 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 501 transitions. Word has length 84 [2020-11-29 20:50:34,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:34,464 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 501 transitions. [2020-11-29 20:50:34,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:34,464 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 501 transitions. [2020-11-29 20:50:34,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-29 20:50:34,465 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:34,465 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] [2020-11-29 20:50:34,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 20:50:34,466 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:34,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:34,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1470428767, now seen corresponding path program 1 times [2020-11-29 20:50:34,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:34,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017729301] [2020-11-29 20:50:34,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:34,552 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 20:50:34,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017729301] [2020-11-29 20:50:34,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:34,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:34,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180495892] [2020-11-29 20:50:34,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:34,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:34,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:34,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:34,556 INFO L87 Difference]: Start difference. First operand 295 states and 501 transitions. Second operand 3 states. [2020-11-29 20:50:34,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:34,761 INFO L93 Difference]: Finished difference Result 584 states and 992 transitions. [2020-11-29 20:50:34,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:34,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-11-29 20:50:34,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:34,764 INFO L225 Difference]: With dead ends: 584 [2020-11-29 20:50:34,764 INFO L226 Difference]: Without dead ends: 297 [2020-11-29 20:50:34,765 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 [2020-11-29 20:50:34,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-11-29 20:50:34,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 295. [2020-11-29 20:50:34,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-11-29 20:50:34,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 497 transitions. [2020-11-29 20:50:34,779 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 497 transitions. Word has length 85 [2020-11-29 20:50:34,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:34,781 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 497 transitions. [2020-11-29 20:50:34,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:34,781 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 497 transitions. [2020-11-29 20:50:34,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-29 20:50:34,786 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:34,786 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] [2020-11-29 20:50:34,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 20:50:34,787 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:34,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:34,787 INFO L82 PathProgramCache]: Analyzing trace with hash -564791579, now seen corresponding path program 1 times [2020-11-29 20:50:34,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:34,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370814014] [2020-11-29 20:50:34,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:34,837 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:50:34,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370814014] [2020-11-29 20:50:34,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:34,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:34,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787364584] [2020-11-29 20:50:34,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:34,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:34,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:34,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:34,840 INFO L87 Difference]: Start difference. First operand 295 states and 497 transitions. Second operand 3 states. [2020-11-29 20:50:35,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:35,134 INFO L93 Difference]: Finished difference Result 586 states and 987 transitions. [2020-11-29 20:50:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:35,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-11-29 20:50:35,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:35,137 INFO L225 Difference]: With dead ends: 586 [2020-11-29 20:50:35,137 INFO L226 Difference]: Without dead ends: 297 [2020-11-29 20:50:35,138 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 [2020-11-29 20:50:35,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-11-29 20:50:35,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 293. [2020-11-29 20:50:35,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-11-29 20:50:35,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 492 transitions. [2020-11-29 20:50:35,153 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 492 transitions. Word has length 85 [2020-11-29 20:50:35,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:35,154 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 492 transitions. [2020-11-29 20:50:35,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:35,154 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 492 transitions. [2020-11-29 20:50:35,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-11-29 20:50:35,155 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:35,156 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] [2020-11-29 20:50:35,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 20:50:35,156 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:35,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:35,157 INFO L82 PathProgramCache]: Analyzing trace with hash -378579321, now seen corresponding path program 1 times [2020-11-29 20:50:35,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:35,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778742570] [2020-11-29 20:50:35,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:35,222 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-29 20:50:35,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778742570] [2020-11-29 20:50:35,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:35,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:35,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583173722] [2020-11-29 20:50:35,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:35,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:35,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:35,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:35,225 INFO L87 Difference]: Start difference. First operand 293 states and 492 transitions. Second operand 3 states. [2020-11-29 20:50:35,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:35,431 INFO L93 Difference]: Finished difference Result 586 states and 983 transitions. [2020-11-29 20:50:35,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:35,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-11-29 20:50:35,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:35,434 INFO L225 Difference]: With dead ends: 586 [2020-11-29 20:50:35,434 INFO L226 Difference]: Without dead ends: 301 [2020-11-29 20:50:35,435 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 [2020-11-29 20:50:35,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-11-29 20:50:35,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2020-11-29 20:50:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-11-29 20:50:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 497 transitions. [2020-11-29 20:50:35,449 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 497 transitions. Word has length 96 [2020-11-29 20:50:35,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:35,449 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 497 transitions. [2020-11-29 20:50:35,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:35,450 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 497 transitions. [2020-11-29 20:50:35,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-29 20:50:35,451 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:35,451 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] [2020-11-29 20:50:35,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 20:50:35,452 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:35,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:35,453 INFO L82 PathProgramCache]: Analyzing trace with hash 183697243, now seen corresponding path program 1 times [2020-11-29 20:50:35,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:35,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120703706] [2020-11-29 20:50:35,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 20:50:35,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120703706] [2020-11-29 20:50:35,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:35,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:35,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795064187] [2020-11-29 20:50:35,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:35,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:35,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:35,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:35,515 INFO L87 Difference]: Start difference. First operand 301 states and 497 transitions. Second operand 3 states. [2020-11-29 20:50:35,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:35,779 INFO L93 Difference]: Finished difference Result 625 states and 1035 transitions. [2020-11-29 20:50:35,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:35,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-11-29 20:50:35,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:35,782 INFO L225 Difference]: With dead ends: 625 [2020-11-29 20:50:35,782 INFO L226 Difference]: Without dead ends: 332 [2020-11-29 20:50:35,783 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 [2020-11-29 20:50:35,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-11-29 20:50:35,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 330. [2020-11-29 20:50:35,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-11-29 20:50:35,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 544 transitions. [2020-11-29 20:50:35,798 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 544 transitions. Word has length 98 [2020-11-29 20:50:35,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:35,798 INFO L481 AbstractCegarLoop]: Abstraction has 330 states and 544 transitions. [2020-11-29 20:50:35,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:35,799 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 544 transitions. [2020-11-29 20:50:35,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-29 20:50:35,800 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:35,800 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] [2020-11-29 20:50:35,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 20:50:35,801 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:35,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:35,801 INFO L82 PathProgramCache]: Analyzing trace with hash 156444990, now seen corresponding path program 1 times [2020-11-29 20:50:35,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:35,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946183045] [2020-11-29 20:50:35,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:35,851 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 20:50:35,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946183045] [2020-11-29 20:50:35,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:35,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:35,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536604410] [2020-11-29 20:50:35,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:35,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:35,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:35,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:35,857 INFO L87 Difference]: Start difference. First operand 330 states and 544 transitions. Second operand 3 states. [2020-11-29 20:50:36,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:36,138 INFO L93 Difference]: Finished difference Result 686 states and 1135 transitions. [2020-11-29 20:50:36,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:36,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-29 20:50:36,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:36,141 INFO L225 Difference]: With dead ends: 686 [2020-11-29 20:50:36,141 INFO L226 Difference]: Without dead ends: 364 [2020-11-29 20:50:36,142 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 [2020-11-29 20:50:36,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-11-29 20:50:36,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2020-11-29 20:50:36,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-11-29 20:50:36,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 586 transitions. [2020-11-29 20:50:36,155 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 586 transitions. Word has length 99 [2020-11-29 20:50:36,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:36,155 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 586 transitions. [2020-11-29 20:50:36,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:36,155 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 586 transitions. [2020-11-29 20:50:36,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-29 20:50:36,157 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:36,157 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] [2020-11-29 20:50:36,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 20:50:36,157 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:36,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:36,158 INFO L82 PathProgramCache]: Analyzing trace with hash -2130209566, now seen corresponding path program 1 times [2020-11-29 20:50:36,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:36,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021084155] [2020-11-29 20:50:36,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:36,193 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 20:50:36,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021084155] [2020-11-29 20:50:36,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:36,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:36,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590342762] [2020-11-29 20:50:36,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:36,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:36,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:36,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:36,195 INFO L87 Difference]: Start difference. First operand 357 states and 586 transitions. Second operand 3 states. [2020-11-29 20:50:36,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:36,451 INFO L93 Difference]: Finished difference Result 708 states and 1162 transitions. [2020-11-29 20:50:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:36,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-29 20:50:36,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:36,455 INFO L225 Difference]: With dead ends: 708 [2020-11-29 20:50:36,455 INFO L226 Difference]: Without dead ends: 359 [2020-11-29 20:50:36,456 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 [2020-11-29 20:50:36,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-11-29 20:50:36,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2020-11-29 20:50:36,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-11-29 20:50:36,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 582 transitions. [2020-11-29 20:50:36,468 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 582 transitions. Word has length 99 [2020-11-29 20:50:36,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:36,469 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 582 transitions. [2020-11-29 20:50:36,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:36,469 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 582 transitions. [2020-11-29 20:50:36,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-11-29 20:50:36,470 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:36,470 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] [2020-11-29 20:50:36,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 20:50:36,471 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:36,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:36,480 INFO L82 PathProgramCache]: Analyzing trace with hash -417318601, now seen corresponding path program 1 times [2020-11-29 20:50:36,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:36,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222501357] [2020-11-29 20:50:36,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:36,533 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 20:50:36,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222501357] [2020-11-29 20:50:36,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:36,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:36,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824178285] [2020-11-29 20:50:36,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:36,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:36,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:36,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:36,536 INFO L87 Difference]: Start difference. First operand 357 states and 582 transitions. Second operand 3 states. [2020-11-29 20:50:36,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:36,811 INFO L93 Difference]: Finished difference Result 713 states and 1164 transitions. [2020-11-29 20:50:36,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:36,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-11-29 20:50:36,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:36,814 INFO L225 Difference]: With dead ends: 713 [2020-11-29 20:50:36,814 INFO L226 Difference]: Without dead ends: 364 [2020-11-29 20:50:36,815 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 [2020-11-29 20:50:36,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-11-29 20:50:36,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2020-11-29 20:50:36,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-11-29 20:50:36,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 577 transitions. [2020-11-29 20:50:36,829 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 577 transitions. Word has length 100 [2020-11-29 20:50:36,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:36,829 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 577 transitions. [2020-11-29 20:50:36,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:36,829 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 577 transitions. [2020-11-29 20:50:36,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-29 20:50:36,831 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:36,831 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] [2020-11-29 20:50:36,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 20:50:36,832 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:36,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:36,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1321281040, now seen corresponding path program 1 times [2020-11-29 20:50:36,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:36,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735795444] [2020-11-29 20:50:36,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:36,878 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 20:50:36,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735795444] [2020-11-29 20:50:36,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:36,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:36,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038904809] [2020-11-29 20:50:36,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:36,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:36,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:36,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:36,881 INFO L87 Difference]: Start difference. First operand 357 states and 577 transitions. Second operand 3 states. [2020-11-29 20:50:37,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:37,168 INFO L93 Difference]: Finished difference Result 731 states and 1183 transitions. [2020-11-29 20:50:37,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:37,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-29 20:50:37,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:37,172 INFO L225 Difference]: With dead ends: 731 [2020-11-29 20:50:37,172 INFO L226 Difference]: Without dead ends: 382 [2020-11-29 20:50:37,173 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 [2020-11-29 20:50:37,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-11-29 20:50:37,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2020-11-29 20:50:37,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-11-29 20:50:37,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 606 transitions. [2020-11-29 20:50:37,188 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 606 transitions. Word has length 105 [2020-11-29 20:50:37,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:37,189 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 606 transitions. [2020-11-29 20:50:37,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 606 transitions. [2020-11-29 20:50:37,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-29 20:50:37,191 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:37,191 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] [2020-11-29 20:50:37,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 20:50:37,191 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:37,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:37,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1276596489, now seen corresponding path program 1 times [2020-11-29 20:50:37,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:37,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604760765] [2020-11-29 20:50:37,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:37,240 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 20:50:37,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604760765] [2020-11-29 20:50:37,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:37,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:37,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701599744] [2020-11-29 20:50:37,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:37,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:37,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:37,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:37,242 INFO L87 Difference]: Start difference. First operand 378 states and 606 transitions. Second operand 3 states. [2020-11-29 20:50:37,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:37,521 INFO L93 Difference]: Finished difference Result 752 states and 1206 transitions. [2020-11-29 20:50:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:37,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-11-29 20:50:37,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:37,525 INFO L225 Difference]: With dead ends: 752 [2020-11-29 20:50:37,525 INFO L226 Difference]: Without dead ends: 382 [2020-11-29 20:50:37,526 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 [2020-11-29 20:50:37,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-11-29 20:50:37,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2020-11-29 20:50:37,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-11-29 20:50:37,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 600 transitions. [2020-11-29 20:50:37,542 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 600 transitions. Word has length 106 [2020-11-29 20:50:37,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:37,543 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 600 transitions. [2020-11-29 20:50:37,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:37,543 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 600 transitions. [2020-11-29 20:50:37,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-29 20:50:37,545 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:37,545 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] [2020-11-29 20:50:37,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 20:50:37,545 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:37,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:37,546 INFO L82 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2020-11-29 20:50:37,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:37,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021998715] [2020-11-29 20:50:37,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 20:50:37,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021998715] [2020-11-29 20:50:37,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:37,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:37,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523576720] [2020-11-29 20:50:37,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:37,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:37,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:37,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:37,606 INFO L87 Difference]: Start difference. First operand 378 states and 600 transitions. Second operand 3 states. [2020-11-29 20:50:37,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:37,676 INFO L93 Difference]: Finished difference Result 1072 states and 1706 transitions. [2020-11-29 20:50:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:37,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-29 20:50:37,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:37,681 INFO L225 Difference]: With dead ends: 1072 [2020-11-29 20:50:37,681 INFO L226 Difference]: Without dead ends: 702 [2020-11-29 20:50:37,684 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 [2020-11-29 20:50:37,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-11-29 20:50:37,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2020-11-29 20:50:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-11-29 20:50:37,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1113 transitions. [2020-11-29 20:50:37,718 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1113 transitions. Word has length 121 [2020-11-29 20:50:37,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:37,718 INFO L481 AbstractCegarLoop]: Abstraction has 702 states and 1113 transitions. [2020-11-29 20:50:37,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:37,718 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1113 transitions. [2020-11-29 20:50:37,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-29 20:50:37,721 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:37,721 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] [2020-11-29 20:50:37,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 20:50:37,721 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:37,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:37,722 INFO L82 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2020-11-29 20:50:37,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:37,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588883806] [2020-11-29 20:50:37,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-29 20:50:37,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588883806] [2020-11-29 20:50:37,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:37,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:37,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211906088] [2020-11-29 20:50:37,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:37,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:37,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:37,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:37,779 INFO L87 Difference]: Start difference. First operand 702 states and 1113 transitions. Second operand 3 states. [2020-11-29 20:50:37,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:37,854 INFO L93 Difference]: Finished difference Result 1072 states and 1701 transitions. [2020-11-29 20:50:37,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:37,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-29 20:50:37,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:37,862 INFO L225 Difference]: With dead ends: 1072 [2020-11-29 20:50:37,862 INFO L226 Difference]: Without dead ends: 1070 [2020-11-29 20:50:37,863 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 [2020-11-29 20:50:37,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-11-29 20:50:37,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1070. [2020-11-29 20:50:37,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1070 states. [2020-11-29 20:50:37,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1699 transitions. [2020-11-29 20:50:37,916 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1699 transitions. Word has length 121 [2020-11-29 20:50:37,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:37,916 INFO L481 AbstractCegarLoop]: Abstraction has 1070 states and 1699 transitions. [2020-11-29 20:50:37,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:37,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1699 transitions. [2020-11-29 20:50:37,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-29 20:50:37,920 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:37,920 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, 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] [2020-11-29 20:50:37,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 20:50:37,920 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:37,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:37,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1473242480, now seen corresponding path program 1 times [2020-11-29 20:50:37,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:37,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720473680] [2020-11-29 20:50:37,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:37,930 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 20:50:37,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1058635067] [2020-11-29 20:50:37,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/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 [2020-11-29 20:50:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:38,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:50:38,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:50:38,123 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 20:50:38,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720473680] [2020-11-29 20:50:38,124 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 20:50:38,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058635067] [2020-11-29 20:50:38,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:38,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:38,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300207890] [2020-11-29 20:50:38,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:38,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:38,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:38,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:38,126 INFO L87 Difference]: Start difference. First operand 1070 states and 1699 transitions. Second operand 3 states. [2020-11-29 20:50:38,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:38,354 INFO L93 Difference]: Finished difference Result 2500 states and 3972 transitions. [2020-11-29 20:50:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:38,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-11-29 20:50:38,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:38,364 INFO L225 Difference]: With dead ends: 2500 [2020-11-29 20:50:38,364 INFO L226 Difference]: Without dead ends: 1438 [2020-11-29 20:50:38,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:38,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2020-11-29 20:50:38,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1438. [2020-11-29 20:50:38,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1438 states. [2020-11-29 20:50:38,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2282 transitions. [2020-11-29 20:50:38,449 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2282 transitions. Word has length 122 [2020-11-29 20:50:38,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:38,449 INFO L481 AbstractCegarLoop]: Abstraction has 1438 states and 2282 transitions. [2020-11-29 20:50:38,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:38,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2282 transitions. [2020-11-29 20:50:38,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-29 20:50:38,453 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:38,454 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 20:50:38,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-11-29 20:50:38,671 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:38,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:38,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1161393041, now seen corresponding path program 1 times [2020-11-29 20:50:38,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:38,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843293490] [2020-11-29 20:50:38,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:38,683 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 20:50:38,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [22016078] [2020-11-29 20:50:38,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/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 [2020-11-29 20:50:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:38,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:50:38,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:50:38,870 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 20:50:38,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843293490] [2020-11-29 20:50:38,870 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 20:50:38,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22016078] [2020-11-29 20:50:38,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:38,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:38,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967923835] [2020-11-29 20:50:38,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:38,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:38,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:38,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:38,876 INFO L87 Difference]: Start difference. First operand 1438 states and 2282 transitions. Second operand 3 states. [2020-11-29 20:50:39,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:39,004 INFO L93 Difference]: Finished difference Result 2868 states and 4555 transitions. [2020-11-29 20:50:39,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:39,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-11-29 20:50:39,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:39,016 INFO L225 Difference]: With dead ends: 2868 [2020-11-29 20:50:39,016 INFO L226 Difference]: Without dead ends: 1806 [2020-11-29 20:50:39,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:39,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2020-11-29 20:50:39,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1806. [2020-11-29 20:50:39,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-11-29 20:50:39,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2866 transitions. [2020-11-29 20:50:39,110 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2866 transitions. Word has length 138 [2020-11-29 20:50:39,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:39,110 INFO L481 AbstractCegarLoop]: Abstraction has 1806 states and 2866 transitions. [2020-11-29 20:50:39,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:39,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2866 transitions. [2020-11-29 20:50:39,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-11-29 20:50:39,116 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:39,117 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:50:39,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-11-29 20:50:39,332 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:39,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:39,333 INFO L82 PathProgramCache]: Analyzing trace with hash 230274424, now seen corresponding path program 1 times [2020-11-29 20:50:39,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:39,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122307056] [2020-11-29 20:50:39,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:39,352 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 20:50:39,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1879141038] [2020-11-29 20:50:39,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/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 [2020-11-29 20:50:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:39,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:50:39,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:50:39,572 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-11-29 20:50:39,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122307056] [2020-11-29 20:50:39,572 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 20:50:39,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879141038] [2020-11-29 20:50:39,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:39,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:39,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040086054] [2020-11-29 20:50:39,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:39,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:39,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:39,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:39,576 INFO L87 Difference]: Start difference. First operand 1806 states and 2866 transitions. Second operand 3 states. [2020-11-29 20:50:39,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:39,952 INFO L93 Difference]: Finished difference Result 3649 states and 5775 transitions. [2020-11-29 20:50:39,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:39,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-11-29 20:50:39,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:39,965 INFO L225 Difference]: With dead ends: 3649 [2020-11-29 20:50:39,965 INFO L226 Difference]: Without dead ends: 1851 [2020-11-29 20:50:39,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:39,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2020-11-29 20:50:40,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1806. [2020-11-29 20:50:40,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-11-29 20:50:40,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2794 transitions. [2020-11-29 20:50:40,058 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2794 transitions. Word has length 199 [2020-11-29 20:50:40,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:40,059 INFO L481 AbstractCegarLoop]: Abstraction has 1806 states and 2794 transitions. [2020-11-29 20:50:40,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:40,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2794 transitions. [2020-11-29 20:50:40,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-11-29 20:50:40,067 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:40,068 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:50:40,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:50:40,292 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:40,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:40,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1368505586, now seen corresponding path program 1 times [2020-11-29 20:50:40,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:40,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725909553] [2020-11-29 20:50:40,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:40,399 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-11-29 20:50:40,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725909553] [2020-11-29 20:50:40,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:40,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:40,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764920851] [2020-11-29 20:50:40,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:40,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:40,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:40,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:40,402 INFO L87 Difference]: Start difference. First operand 1806 states and 2794 transitions. Second operand 3 states. [2020-11-29 20:50:40,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:40,808 INFO L93 Difference]: Finished difference Result 3666 states and 5648 transitions. [2020-11-29 20:50:40,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:40,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-11-29 20:50:40,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:40,821 INFO L225 Difference]: With dead ends: 3666 [2020-11-29 20:50:40,821 INFO L226 Difference]: Without dead ends: 1868 [2020-11-29 20:50:40,823 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 [2020-11-29 20:50:40,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2020-11-29 20:50:40,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1806. [2020-11-29 20:50:40,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-11-29 20:50:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2716 transitions. [2020-11-29 20:50:40,900 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2716 transitions. Word has length 212 [2020-11-29 20:50:40,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:40,900 INFO L481 AbstractCegarLoop]: Abstraction has 1806 states and 2716 transitions. [2020-11-29 20:50:40,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:40,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2716 transitions. [2020-11-29 20:50:40,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-11-29 20:50:40,906 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:40,907 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-11-29 20:50:40,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-29 20:50:40,907 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:40,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:40,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1759452965, now seen corresponding path program 1 times [2020-11-29 20:50:40,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:40,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124213749] [2020-11-29 20:50:40,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:40,939 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 20:50:40,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1786909033] [2020-11-29 20:50:40,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/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 [2020-11-29 20:50:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:41,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:50:41,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:50:41,181 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-11-29 20:50:41,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124213749] [2020-11-29 20:50:41,187 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 20:50:41,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786909033] [2020-11-29 20:50:41,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:41,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:41,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554279734] [2020-11-29 20:50:41,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:41,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:41,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:41,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:41,191 INFO L87 Difference]: Start difference. First operand 1806 states and 2716 transitions. Second operand 3 states. [2020-11-29 20:50:41,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:41,586 INFO L93 Difference]: Finished difference Result 3844 states and 5780 transitions. [2020-11-29 20:50:41,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:41,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-11-29 20:50:41,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:41,599 INFO L225 Difference]: With dead ends: 3844 [2020-11-29 20:50:41,600 INFO L226 Difference]: Without dead ends: 1921 [2020-11-29 20:50:41,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:41,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-11-29 20:50:41,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2020-11-29 20:50:41,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2020-11-29 20:50:41,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2771 transitions. [2020-11-29 20:50:41,673 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2771 transitions. Word has length 241 [2020-11-29 20:50:41,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:41,673 INFO L481 AbstractCegarLoop]: Abstraction has 1876 states and 2771 transitions. [2020-11-29 20:50:41,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:41,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2771 transitions. [2020-11-29 20:50:41,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-11-29 20:50:41,680 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:41,681 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2020-11-29 20:50:41,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:50:41,905 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:41,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:41,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1825507112, now seen corresponding path program 1 times [2020-11-29 20:50:41,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:41,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117302971] [2020-11-29 20:50:41,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:41,919 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 20:50:41,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [855961215] [2020-11-29 20:50:41,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/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 [2020-11-29 20:50:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:42,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:50:42,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:50:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2020-11-29 20:50:42,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117302971] [2020-11-29 20:50:42,121 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 20:50:42,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855961215] [2020-11-29 20:50:42,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:42,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:42,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087602991] [2020-11-29 20:50:42,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:42,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:42,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:42,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:42,124 INFO L87 Difference]: Start difference. First operand 1876 states and 2771 transitions. Second operand 3 states. [2020-11-29 20:50:42,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:42,560 INFO L93 Difference]: Finished difference Result 3789 states and 5585 transitions. [2020-11-29 20:50:42,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:42,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2020-11-29 20:50:42,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:42,575 INFO L225 Difference]: With dead ends: 3789 [2020-11-29 20:50:42,576 INFO L226 Difference]: Without dead ends: 1921 [2020-11-29 20:50:42,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:42,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-11-29 20:50:42,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2020-11-29 20:50:42,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2020-11-29 20:50:42,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2701 transitions. [2020-11-29 20:50:42,647 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2701 transitions. Word has length 255 [2020-11-29 20:50:42,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:42,647 INFO L481 AbstractCegarLoop]: Abstraction has 1876 states and 2701 transitions. [2020-11-29 20:50:42,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:42,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2701 transitions. [2020-11-29 20:50:42,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-29 20:50:42,655 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:42,655 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:50:42,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-11-29 20:50:42,876 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:42,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:42,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2020-11-29 20:50:42,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:42,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214159666] [2020-11-29 20:50:42,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:42,892 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 20:50:42,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [608456597] [2020-11-29 20:50:42,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/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 [2020-11-29 20:50:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:43,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 20:50:43,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:50:43,154 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-11-29 20:50:43,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214159666] [2020-11-29 20:50:43,155 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 20:50:43,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608456597] [2020-11-29 20:50:43,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:43,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:43,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171042229] [2020-11-29 20:50:43,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:43,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:43,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:43,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:43,157 INFO L87 Difference]: Start difference. First operand 1876 states and 2701 transitions. Second operand 3 states. [2020-11-29 20:50:43,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:43,287 INFO L93 Difference]: Finished difference Result 5592 states and 8059 transitions. [2020-11-29 20:50:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:43,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2020-11-29 20:50:43,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:43,308 INFO L225 Difference]: With dead ends: 5592 [2020-11-29 20:50:43,308 INFO L226 Difference]: Without dead ends: 3724 [2020-11-29 20:50:43,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:43,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2020-11-29 20:50:43,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3722. [2020-11-29 20:50:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3722 states. [2020-11-29 20:50:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5354 transitions. [2020-11-29 20:50:43,503 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5354 transitions. Word has length 269 [2020-11-29 20:50:43,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:43,504 INFO L481 AbstractCegarLoop]: Abstraction has 3722 states and 5354 transitions. [2020-11-29 20:50:43,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:43,504 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5354 transitions. [2020-11-29 20:50:43,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-11-29 20:50:43,519 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:43,519 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1] [2020-11-29 20:50:43,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:50:43,732 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:43,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:43,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1812515673, now seen corresponding path program 1 times [2020-11-29 20:50:43,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:43,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470101713] [2020-11-29 20:50:43,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:43,917 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2020-11-29 20:50:43,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470101713] [2020-11-29 20:50:43,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:43,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:43,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619793133] [2020-11-29 20:50:43,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:43,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:43,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:43,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:43,921 INFO L87 Difference]: Start difference. First operand 3722 states and 5354 transitions. Second operand 3 states. [2020-11-29 20:50:44,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:44,290 INFO L93 Difference]: Finished difference Result 7581 states and 10901 transitions. [2020-11-29 20:50:44,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:44,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 307 [2020-11-29 20:50:44,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:44,314 INFO L225 Difference]: With dead ends: 7581 [2020-11-29 20:50:44,314 INFO L226 Difference]: Without dead ends: 3867 [2020-11-29 20:50:44,319 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 [2020-11-29 20:50:44,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2020-11-29 20:50:44,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3837. [2020-11-29 20:50:44,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3837 states. [2020-11-29 20:50:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5494 transitions. [2020-11-29 20:50:44,453 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5494 transitions. Word has length 307 [2020-11-29 20:50:44,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:44,454 INFO L481 AbstractCegarLoop]: Abstraction has 3837 states and 5494 transitions. [2020-11-29 20:50:44,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:44,454 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5494 transitions. [2020-11-29 20:50:44,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-11-29 20:50:44,463 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:44,464 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] [2020-11-29 20:50:44,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-29 20:50:44,464 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:44,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:44,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1267987889, now seen corresponding path program 1 times [2020-11-29 20:50:44,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:44,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399820789] [2020-11-29 20:50:44,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:44,482 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 20:50:44,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1812183753] [2020-11-29 20:50:44,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/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 [2020-11-29 20:50:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:44,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:50:44,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:50:44,739 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2020-11-29 20:50:44,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399820789] [2020-11-29 20:50:44,740 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 20:50:44,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812183753] [2020-11-29 20:50:44,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:44,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:44,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877471253] [2020-11-29 20:50:44,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:44,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:44,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:44,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:44,742 INFO L87 Difference]: Start difference. First operand 3837 states and 5494 transitions. Second operand 3 states. [2020-11-29 20:50:45,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:45,104 INFO L93 Difference]: Finished difference Result 7666 states and 10976 transitions. [2020-11-29 20:50:45,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:45,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 320 [2020-11-29 20:50:45,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:45,131 INFO L225 Difference]: With dead ends: 7666 [2020-11-29 20:50:45,131 INFO L226 Difference]: Without dead ends: 2264 [2020-11-29 20:50:45,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:45,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2264 states. [2020-11-29 20:50:45,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2264 to 2264. [2020-11-29 20:50:45,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2264 states. [2020-11-29 20:50:45,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3184 transitions. [2020-11-29 20:50:45,226 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3184 transitions. Word has length 320 [2020-11-29 20:50:45,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:45,227 INFO L481 AbstractCegarLoop]: Abstraction has 2264 states and 3184 transitions. [2020-11-29 20:50:45,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:45,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3184 transitions. [2020-11-29 20:50:45,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-11-29 20:50:45,232 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:45,233 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:50:45,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-11-29 20:50:45,460 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:45,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:45,461 INFO L82 PathProgramCache]: Analyzing trace with hash 493001237, now seen corresponding path program 1 times [2020-11-29 20:50:45,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:45,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190353351] [2020-11-29 20:50:45,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2020-11-29 20:50:45,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190353351] [2020-11-29 20:50:45,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:45,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:45,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243366064] [2020-11-29 20:50:45,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:45,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:45,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:45,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:45,650 INFO L87 Difference]: Start difference. First operand 2264 states and 3184 transitions. Second operand 3 states. [2020-11-29 20:50:46,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:46,010 INFO L93 Difference]: Finished difference Result 4742 states and 6692 transitions. [2020-11-29 20:50:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:46,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-11-29 20:50:46,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:46,017 INFO L225 Difference]: With dead ends: 4742 [2020-11-29 20:50:46,018 INFO L226 Difference]: Without dead ends: 2486 [2020-11-29 20:50:46,021 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 [2020-11-29 20:50:46,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2020-11-29 20:50:46,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 2414. [2020-11-29 20:50:46,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2414 states. [2020-11-29 20:50:46,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3364 transitions. [2020-11-29 20:50:46,112 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3364 transitions. Word has length 327 [2020-11-29 20:50:46,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:46,112 INFO L481 AbstractCegarLoop]: Abstraction has 2414 states and 3364 transitions. [2020-11-29 20:50:46,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3364 transitions. [2020-11-29 20:50:46,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-11-29 20:50:46,119 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:46,119 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:50:46,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-11-29 20:50:46,119 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:46,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:46,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1757399063, now seen corresponding path program 1 times [2020-11-29 20:50:46,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:46,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008037615] [2020-11-29 20:50:46,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:46,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 587 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2020-11-29 20:50:46,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008037615] [2020-11-29 20:50:46,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:46,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:46,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91592743] [2020-11-29 20:50:46,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:46,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:46,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:46,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:46,280 INFO L87 Difference]: Start difference. First operand 2414 states and 3364 transitions. Second operand 3 states. [2020-11-29 20:50:46,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:46,622 INFO L93 Difference]: Finished difference Result 4862 states and 6788 transitions. [2020-11-29 20:50:46,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:46,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2020-11-29 20:50:46,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:46,628 INFO L225 Difference]: With dead ends: 4862 [2020-11-29 20:50:46,629 INFO L226 Difference]: Without dead ends: 2456 [2020-11-29 20:50:46,632 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 [2020-11-29 20:50:46,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2020-11-29 20:50:46,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2414. [2020-11-29 20:50:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2414 states. [2020-11-29 20:50:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3316 transitions. [2020-11-29 20:50:46,706 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3316 transitions. Word has length 353 [2020-11-29 20:50:46,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:46,706 INFO L481 AbstractCegarLoop]: Abstraction has 2414 states and 3316 transitions. [2020-11-29 20:50:46,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:46,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3316 transitions. [2020-11-29 20:50:46,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-11-29 20:50:46,713 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:46,713 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:50:46,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-29 20:50:46,714 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:46,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:46,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1876884711, now seen corresponding path program 1 times [2020-11-29 20:50:46,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:46,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413750533] [2020-11-29 20:50:46,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:46,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2020-11-29 20:50:46,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413750533] [2020-11-29 20:50:46,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367912698] [2020-11-29 20:50:46,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/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 [2020-11-29 20:50:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:47,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 20:50:47,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:50:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2020-11-29 20:50:47,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 20:50:47,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-29 20:50:47,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297423095] [2020-11-29 20:50:47,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:50:47,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:47,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:50:47,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:50:47,255 INFO L87 Difference]: Start difference. First operand 2414 states and 3316 transitions. Second operand 4 states. [2020-11-29 20:50:48,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:48,022 INFO L93 Difference]: Finished difference Result 7028 states and 9640 transitions. [2020-11-29 20:50:48,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:50:48,023 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 370 [2020-11-29 20:50:48,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:48,034 INFO L225 Difference]: With dead ends: 7028 [2020-11-29 20:50:48,034 INFO L226 Difference]: Without dead ends: 4476 [2020-11-29 20:50:48,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:50:48,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4476 states. [2020-11-29 20:50:48,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4476 to 2486. [2020-11-29 20:50:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2486 states. [2020-11-29 20:50:48,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3374 transitions. [2020-11-29 20:50:48,127 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3374 transitions. Word has length 370 [2020-11-29 20:50:48,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:48,128 INFO L481 AbstractCegarLoop]: Abstraction has 2486 states and 3374 transitions. [2020-11-29 20:50:48,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:50:48,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3374 transitions. [2020-11-29 20:50:48,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2020-11-29 20:50:48,134 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:48,134 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 8, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2020-11-29 20:50:48,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-11-29 20:50:48,348 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:48,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:48,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1628763683, now seen corresponding path program 1 times [2020-11-29 20:50:48,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:48,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26806000] [2020-11-29 20:50:48,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:48,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2015 backedges. 975 proven. 0 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2020-11-29 20:50:48,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26806000] [2020-11-29 20:50:48,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:48,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:48,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497479153] [2020-11-29 20:50:48,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:48,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:48,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:48,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:48,644 INFO L87 Difference]: Start difference. First operand 2486 states and 3374 transitions. Second operand 3 states. [2020-11-29 20:50:49,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:49,035 INFO L93 Difference]: Finished difference Result 4976 states and 6748 transitions. [2020-11-29 20:50:49,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:49,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 438 [2020-11-29 20:50:49,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:49,041 INFO L225 Difference]: With dead ends: 4976 [2020-11-29 20:50:49,041 INFO L226 Difference]: Without dead ends: 2498 [2020-11-29 20:50:49,045 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 [2020-11-29 20:50:49,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2020-11-29 20:50:49,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2486. [2020-11-29 20:50:49,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2486 states. [2020-11-29 20:50:49,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3326 transitions. [2020-11-29 20:50:49,121 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3326 transitions. Word has length 438 [2020-11-29 20:50:49,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:49,121 INFO L481 AbstractCegarLoop]: Abstraction has 2486 states and 3326 transitions. [2020-11-29 20:50:49,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3326 transitions. [2020-11-29 20:50:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-11-29 20:50:49,127 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:49,128 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:50:49,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-11-29 20:50:49,128 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:49,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:49,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1752367566, now seen corresponding path program 1 times [2020-11-29 20:50:49,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:49,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996658670] [2020-11-29 20:50:49,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2020-11-29 20:50:49,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996658670] [2020-11-29 20:50:49,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:49,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:49,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000606790] [2020-11-29 20:50:49,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:49,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:49,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:49,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:49,355 INFO L87 Difference]: Start difference. First operand 2486 states and 3326 transitions. Second operand 3 states. [2020-11-29 20:50:49,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:49,674 INFO L93 Difference]: Finished difference Result 5180 states and 6946 transitions. [2020-11-29 20:50:49,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:49,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 470 [2020-11-29 20:50:49,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:49,679 INFO L225 Difference]: With dead ends: 5180 [2020-11-29 20:50:49,679 INFO L226 Difference]: Without dead ends: 2702 [2020-11-29 20:50:49,682 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 [2020-11-29 20:50:49,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2020-11-29 20:50:49,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 2690. [2020-11-29 20:50:49,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2690 states. [2020-11-29 20:50:49,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3560 transitions. [2020-11-29 20:50:49,769 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3560 transitions. Word has length 470 [2020-11-29 20:50:49,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:49,770 INFO L481 AbstractCegarLoop]: Abstraction has 2690 states and 3560 transitions. [2020-11-29 20:50:49,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:49,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3560 transitions. [2020-11-29 20:50:49,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-11-29 20:50:49,776 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:49,777 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:50:49,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-11-29 20:50:49,777 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:49,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:49,778 INFO L82 PathProgramCache]: Analyzing trace with hash -742298620, now seen corresponding path program 1 times [2020-11-29 20:50:49,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:49,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703571280] [2020-11-29 20:50:49,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:50,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2020-11-29 20:50:50,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703571280] [2020-11-29 20:50:50,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:50:50,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:50:50,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833805639] [2020-11-29 20:50:50,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:50:50,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:50,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:50:50,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:50:50,072 INFO L87 Difference]: Start difference. First operand 2690 states and 3560 transitions. Second operand 3 states. [2020-11-29 20:50:50,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:50,382 INFO L93 Difference]: Finished difference Result 5600 states and 7438 transitions. [2020-11-29 20:50:50,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:50:50,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 532 [2020-11-29 20:50:50,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:50,390 INFO L225 Difference]: With dead ends: 5600 [2020-11-29 20:50:50,390 INFO L226 Difference]: Without dead ends: 2918 [2020-11-29 20:50:50,394 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 [2020-11-29 20:50:50,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2020-11-29 20:50:50,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2906. [2020-11-29 20:50:50,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2906 states. [2020-11-29 20:50:50,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2906 states and 3806 transitions. [2020-11-29 20:50:50,487 INFO L78 Accepts]: Start accepts. Automaton has 2906 states and 3806 transitions. Word has length 532 [2020-11-29 20:50:50,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:50,488 INFO L481 AbstractCegarLoop]: Abstraction has 2906 states and 3806 transitions. [2020-11-29 20:50:50,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:50:50,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 3806 transitions. [2020-11-29 20:50:50,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-11-29 20:50:50,496 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:50:50,496 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 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, 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] [2020-11-29 20:50:50,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-11-29 20:50:50,497 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:50:50,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:50:50,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1835374162, now seen corresponding path program 1 times [2020-11-29 20:50:50,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:50:50,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470535208] [2020-11-29 20:50:50,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:50:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:50,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2020-11-29 20:50:50,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470535208] [2020-11-29 20:50:50,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273368097] [2020-11-29 20:50:50,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:50:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:50:51,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 20:50:51,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:50:51,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2020-11-29 20:50:51,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 20:50:51,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-11-29 20:50:51,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426452118] [2020-11-29 20:50:51,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 20:50:51,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:50:51,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 20:50:51,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 20:50:51,421 INFO L87 Difference]: Start difference. First operand 2906 states and 3806 transitions. Second operand 6 states. [2020-11-29 20:50:51,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:50:51,863 INFO L93 Difference]: Finished difference Result 4541 states and 5954 transitions. [2020-11-29 20:50:51,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:50:51,865 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 598 [2020-11-29 20:50:51,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:50:51,866 INFO L225 Difference]: With dead ends: 4541 [2020-11-29 20:50:51,866 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 20:50:51,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 20:50:51,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 20:50:51,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 20:50:51,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 20:50:51,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:50:51,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 598 [2020-11-29 20:50:51,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:50:51,872 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:50:51,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 20:50:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:50:51,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:50:52,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:50:52,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 20:50:52,418 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 85 [2020-11-29 20:50:52,987 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 85 [2020-11-29 20:50:53,487 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-11-29 20:50:54,025 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-11-29 20:50:54,897 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2020-11-29 20:50:55,327 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-11-29 20:50:55,750 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-11-29 20:50:56,101 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 24 [2020-11-29 20:50:56,263 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-11-29 20:50:56,415 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 10 [2020-11-29 20:50:57,027 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-11-29 20:50:57,494 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 50 [2020-11-29 20:50:57,911 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-11-29 20:50:58,366 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2020-11-29 20:50:58,863 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-11-29 20:50:58,995 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 16 [2020-11-29 20:50:59,540 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-11-29 20:50:59,974 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-11-29 20:51:00,489 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-11-29 20:51:01,958 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2020-11-29 20:51:02,511 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-11-29 20:51:03,560 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2020-11-29 20:51:04,231 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-11-29 20:51:04,805 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-11-29 20:51:04,808 INFO L274 CegarLoopResult]: For program point L663(lines 663 667) no Hoare annotation was computed. [2020-11-29 20:51:04,808 INFO L274 CegarLoopResult]: For program point L630(lines 630 639) no Hoare annotation was computed. [2020-11-29 20:51:04,808 INFO L274 CegarLoopResult]: For program point L663-2(lines 663 667) no Hoare annotation was computed. [2020-11-29 20:51:04,808 INFO L274 CegarLoopResult]: For program point L630-2(lines 629 651) no Hoare annotation was computed. [2020-11-29 20:51:04,810 INFO L270 CegarLoopResult]: At program point L399(lines 390 421) the Hoare annotation is: (let ((.cse5 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7))) [2020-11-29 20:51:04,811 INFO L270 CegarLoopResult]: At program point L168(lines 167 606) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse2 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse3 .cse1 .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3 .cse1 .cse2))) [2020-11-29 20:51:04,811 INFO L270 CegarLoopResult]: At program point L135(lines 128 619) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.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))) (.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 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 20:51:04,811 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-29 20:51:04,811 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 20:51:04,811 INFO L274 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-11-29 20:51:04,811 INFO L274 CegarLoopResult]: For program point L632(lines 632 636) no Hoare annotation was computed. [2020-11-29 20:51:04,812 INFO L274 CegarLoopResult]: For program point L401(lines 401 407) no Hoare annotation was computed. [2020-11-29 20:51:04,812 INFO L274 CegarLoopResult]: For program point L203(lines 203 594) no Hoare annotation was computed. [2020-11-29 20:51:04,812 INFO L274 CegarLoopResult]: For program point L170(lines 170 605) no Hoare annotation was computed. [2020-11-29 20:51:04,812 INFO L274 CegarLoopResult]: For program point L137(lines 137 616) no Hoare annotation was computed. [2020-11-29 20:51:04,812 INFO L274 CegarLoopResult]: For program point L104(lines 104 627) no Hoare annotation was computed. [2020-11-29 20:51:04,812 INFO L274 CegarLoopResult]: For program point L468(lines 468 472) no Hoare annotation was computed. [2020-11-29 20:51:04,812 INFO L270 CegarLoopResult]: At program point L204(lines 200 595) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) [2020-11-29 20:51:04,812 INFO L270 CegarLoopResult]: At program point L105(lines 104 627) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) [2020-11-29 20:51:04,812 INFO L274 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-11-29 20:51:04,812 INFO L274 CegarLoopResult]: For program point L503-2(lines 211 589) no Hoare annotation was computed. [2020-11-29 20:51:04,812 INFO L274 CegarLoopResult]: For program point L239(lines 239 244) no Hoare annotation was computed. [2020-11-29 20:51:04,813 INFO L274 CegarLoopResult]: For program point L206(lines 206 593) no Hoare annotation was computed. [2020-11-29 20:51:04,813 INFO L274 CegarLoopResult]: For program point L173(lines 173 604) no Hoare annotation was computed. [2020-11-29 20:51:04,813 INFO L274 CegarLoopResult]: For program point L140(lines 140 615) no Hoare annotation was computed. [2020-11-29 20:51:04,813 INFO L274 CegarLoopResult]: For program point L107(lines 107 626) no Hoare annotation was computed. [2020-11-29 20:51:04,813 INFO L270 CegarLoopResult]: At program point L207(lines 206 593) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-11-29 20:51:04,813 INFO L270 CegarLoopResult]: At program point L174(lines 170 605) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 20:51:04,813 INFO L270 CegarLoopResult]: At program point L141(lines 137 616) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse1 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse2 .cse3 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse8))) [2020-11-29 20:51:04,813 INFO L274 CegarLoopResult]: For program point L75(lines 75 83) no Hoare annotation was computed. [2020-11-29 20:51:04,814 INFO L274 CegarLoopResult]: For program point L274(lines 274 278) no Hoare annotation was computed. [2020-11-29 20:51:04,814 INFO L274 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-11-29 20:51:04,814 INFO L274 CegarLoopResult]: For program point L308-2(lines 211 589) no Hoare annotation was computed. [2020-11-29 20:51:04,814 INFO L274 CegarLoopResult]: For program point L176(lines 176 603) no Hoare annotation was computed. [2020-11-29 20:51:04,814 INFO L274 CegarLoopResult]: For program point L143(lines 143 614) no Hoare annotation was computed. [2020-11-29 20:51:04,814 INFO L274 CegarLoopResult]: For program point L110(lines 110 625) no Hoare annotation was computed. [2020-11-29 20:51:04,814 INFO L274 CegarLoopResult]: For program point L573(lines 573 583) no Hoare annotation was computed. [2020-11-29 20:51:04,814 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 583) no Hoare annotation was computed. [2020-11-29 20:51:04,814 INFO L274 CegarLoopResult]: For program point L441-1(lines 441 453) no Hoare annotation was computed. [2020-11-29 20:51:04,814 INFO L270 CegarLoopResult]: At program point L210(lines 209 592) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-11-29 20:51:04,814 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-29 20:51:04,814 INFO L274 CegarLoopResult]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2020-11-29 20:51:04,815 INFO L270 CegarLoopResult]: At program point L409(lines 400 420) the Hoare annotation is: (let ((.cse5 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7))) [2020-11-29 20:51:04,815 INFO L274 CegarLoopResult]: For program point L343(lines 343 347) no Hoare annotation was computed. [2020-11-29 20:51:04,815 INFO L274 CegarLoopResult]: For program point L343-2(lines 211 589) no Hoare annotation was computed. [2020-11-29 20:51:04,815 INFO L277 CegarLoopResult]: At program point L674(lines 66 676) the Hoare annotation is: true [2020-11-29 20:51:04,815 INFO L274 CegarLoopResult]: For program point L641(lines 641 647) no Hoare annotation was computed. [2020-11-29 20:51:04,815 INFO L274 CegarLoopResult]: For program point L542(lines 542 547) no Hoare annotation was computed. [2020-11-29 20:51:04,815 INFO L274 CegarLoopResult]: For program point L179(lines 179 602) no Hoare annotation was computed. [2020-11-29 20:51:04,815 INFO L274 CegarLoopResult]: For program point L146(lines 146 613) no Hoare annotation was computed. [2020-11-29 20:51:04,815 INFO L274 CegarLoopResult]: For program point L113(lines 113 624) no Hoare annotation was computed. [2020-11-29 20:51:04,815 INFO L277 CegarLoopResult]: At program point L675(lines 11 677) the Hoare annotation is: true [2020-11-29 20:51:04,815 INFO L274 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2020-11-29 20:51:04,815 INFO L274 CegarLoopResult]: For program point L444(lines 444 449) no Hoare annotation was computed. [2020-11-29 20:51:04,816 INFO L270 CegarLoopResult]: At program point L180(lines 176 603) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 20:51:04,816 INFO L270 CegarLoopResult]: At program point L147(lines 143 614) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.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))) (.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 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 20:51:04,816 INFO L274 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-11-29 20:51:04,816 INFO L270 CegarLoopResult]: At program point L214(lines 107 626) 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 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) .cse3 .cse6 .cse7 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse4 .cse5 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10))) [2020-11-29 20:51:04,816 INFO L274 CegarLoopResult]: For program point L182(lines 182 601) no Hoare annotation was computed. [2020-11-29 20:51:04,816 INFO L274 CegarLoopResult]: For program point L149(lines 149 612) no Hoare annotation was computed. [2020-11-29 20:51:04,816 INFO L274 CegarLoopResult]: For program point L116(lines 116 623) no Hoare annotation was computed. [2020-11-29 20:51:04,817 INFO L274 CegarLoopResult]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-11-29 20:51:04,817 INFO L274 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-11-29 20:51:04,817 INFO L274 CegarLoopResult]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2020-11-29 20:51:04,817 INFO L274 CegarLoopResult]: For program point L85(lines 85 93) no Hoare annotation was computed. [2020-11-29 20:51:04,817 INFO L274 CegarLoopResult]: For program point L85-1(lines 66 676) no Hoare annotation was computed. [2020-11-29 20:51:04,817 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 20:51:04,817 INFO L274 CegarLoopResult]: For program point L185(lines 185 600) no Hoare annotation was computed. [2020-11-29 20:51:04,817 INFO L274 CegarLoopResult]: For program point L152(lines 152 611) no Hoare annotation was computed. [2020-11-29 20:51:04,817 INFO L274 CegarLoopResult]: For program point L119(lines 119 622) no Hoare annotation was computed. [2020-11-29 20:51:04,817 INFO L274 CegarLoopResult]: For program point L86(lines 86 90) no Hoare annotation was computed. [2020-11-29 20:51:04,817 INFO L274 CegarLoopResult]: For program point L351(lines 351 382) no Hoare annotation was computed. [2020-11-29 20:51:04,817 INFO L274 CegarLoopResult]: For program point L318(lines 318 322) no Hoare annotation was computed. [2020-11-29 20:51:04,817 INFO L274 CegarLoopResult]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2020-11-29 20:51:04,817 INFO L274 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-11-29 20:51:04,818 INFO L270 CegarLoopResult]: At program point L186(lines 182 601) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 20:51:04,818 INFO L270 CegarLoopResult]: At program point L153(lines 149 612) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.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))) (.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 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 20:51:04,818 INFO L274 CegarLoopResult]: For program point L219-2(lines 211 589) no Hoare annotation was computed. [2020-11-29 20:51:04,818 INFO L274 CegarLoopResult]: For program point L188(lines 188 599) no Hoare annotation was computed. [2020-11-29 20:51:04,818 INFO L274 CegarLoopResult]: For program point L155(lines 155 610) no Hoare annotation was computed. [2020-11-29 20:51:04,818 INFO L274 CegarLoopResult]: For program point L122(lines 122 621) no Hoare annotation was computed. [2020-11-29 20:51:04,818 INFO L274 CegarLoopResult]: For program point L552(lines 552 556) no Hoare annotation was computed. [2020-11-29 20:51:04,818 INFO L274 CegarLoopResult]: For program point L354(lines 354 381) no Hoare annotation was computed. [2020-11-29 20:51:04,818 INFO L274 CegarLoopResult]: For program point L354-1(lines 354 381) no Hoare annotation was computed. [2020-11-29 20:51:04,819 INFO L270 CegarLoopResult]: At program point L123(lines 119 622) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.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))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (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)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 20:51:04,819 INFO L270 CegarLoopResult]: At program point L553(lines 66 676) the Hoare annotation is: false [2020-11-29 20:51:04,819 INFO L274 CegarLoopResult]: For program point L355(lines 355 378) no Hoare annotation was computed. [2020-11-29 20:51:04,819 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 20:51:04,819 INFO L274 CegarLoopResult]: For program point L256(lines 256 268) no Hoare annotation was computed. [2020-11-29 20:51:04,819 INFO L274 CegarLoopResult]: For program point L257(lines 257 262) no Hoare annotation was computed. [2020-11-29 20:51:04,819 INFO L274 CegarLoopResult]: For program point L191(lines 191 598) no Hoare annotation was computed. [2020-11-29 20:51:04,819 INFO L274 CegarLoopResult]: For program point L158(lines 158 609) no Hoare annotation was computed. [2020-11-29 20:51:04,819 INFO L274 CegarLoopResult]: For program point L125(lines 125 620) no Hoare annotation was computed. [2020-11-29 20:51:04,819 INFO L277 CegarLoopResult]: At program point L687(lines 678 689) the Hoare annotation is: true [2020-11-29 20:51:04,819 INFO L274 CegarLoopResult]: For program point L390(lines 390 421) no Hoare annotation was computed. [2020-11-29 20:51:04,819 INFO L274 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-11-29 20:51:04,819 INFO L274 CegarLoopResult]: For program point L291-2(lines 211 589) no Hoare annotation was computed. [2020-11-29 20:51:04,822 INFO L270 CegarLoopResult]: At program point L192(lines 188 599) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13))) [2020-11-29 20:51:04,822 INFO L270 CegarLoopResult]: At program point L159(lines 155 610) the Hoare annotation is: (let ((.cse5 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7))) [2020-11-29 20:51:04,823 INFO L270 CegarLoopResult]: At program point L126(lines 125 620) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) [2020-11-29 20:51:04,823 INFO L274 CegarLoopResult]: For program point L523(lines 523 528) no Hoare annotation was computed. [2020-11-29 20:51:04,823 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-29 20:51:04,823 INFO L274 CegarLoopResult]: For program point L358(lines 358 377) no Hoare annotation was computed. [2020-11-29 20:51:04,823 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 20:51:04,823 INFO L270 CegarLoopResult]: At program point L590(lines 101 658) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse2 .cse3 .cse12) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse13 .cse4) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) .cse11) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2020-11-29 20:51:04,824 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-11-29 20:51:04,824 INFO L274 CegarLoopResult]: For program point L491(lines 491 495) no Hoare annotation was computed. [2020-11-29 20:51:04,824 INFO L274 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-11-29 20:51:04,824 INFO L274 CegarLoopResult]: For program point L359-2(lines 358 375) no Hoare annotation was computed. [2020-11-29 20:51:04,824 INFO L274 CegarLoopResult]: For program point L194(lines 194 597) no Hoare annotation was computed. [2020-11-29 20:51:04,824 INFO L274 CegarLoopResult]: For program point L161(lines 161 608) no Hoare annotation was computed. [2020-11-29 20:51:04,824 INFO L274 CegarLoopResult]: For program point L128(lines 128 619) no Hoare annotation was computed. [2020-11-29 20:51:04,824 INFO L274 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-11-29 20:51:04,825 INFO L274 CegarLoopResult]: For program point L327-1(lines 327 336) no Hoare annotation was computed. [2020-11-29 20:51:04,825 INFO L277 CegarLoopResult]: At program point L659(lines 100 660) the Hoare annotation is: true [2020-11-29 20:51:04,825 INFO L274 CegarLoopResult]: For program point L197(lines 197 596) no Hoare annotation was computed. [2020-11-29 20:51:04,825 INFO L274 CegarLoopResult]: For program point L164(lines 164 607) no Hoare annotation was computed. [2020-11-29 20:51:04,825 INFO L274 CegarLoopResult]: For program point L131(lines 131 618) no Hoare annotation was computed. [2020-11-29 20:51:04,825 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 20:51:04,825 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 20:51:04,826 INFO L274 CegarLoopResult]: For program point L231(lines 231 248) no Hoare annotation was computed. [2020-11-29 20:51:04,826 INFO L270 CegarLoopResult]: At program point L198(lines 194 597) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12))) [2020-11-29 20:51:04,826 INFO L270 CegarLoopResult]: At program point L165(lines 161 608) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse4 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse1 .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse4 .cse1 .cse5 .cse6 .cse2 .cse8 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7) (and .cse0 .cse4 .cse1 .cse5 .cse6 .cse2 .cse8 .cse3 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)))) [2020-11-29 20:51:04,826 INFO L274 CegarLoopResult]: For program point L231-2(lines 211 589) no Hoare annotation was computed. [2020-11-29 20:51:04,826 INFO L274 CegarLoopResult]: For program point L628(lines 628 656) no Hoare annotation was computed. [2020-11-29 20:51:04,827 INFO L274 CegarLoopResult]: For program point L331(lines 331 335) no Hoare annotation was computed. [2020-11-29 20:51:04,827 INFO L274 CegarLoopResult]: For program point L629(lines 629 653) no Hoare annotation was computed. [2020-11-29 20:51:04,827 INFO L274 CegarLoopResult]: For program point L563(lines 563 567) no Hoare annotation was computed. [2020-11-29 20:51:04,827 INFO L274 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-11-29 20:51:04,827 INFO L274 CegarLoopResult]: For program point L563-2(lines 563 567) no Hoare annotation was computed. [2020-11-29 20:51:04,827 INFO L274 CegarLoopResult]: For program point L464(lines 464 475) no Hoare annotation was computed. [2020-11-29 20:51:04,827 INFO L274 CegarLoopResult]: For program point L530-2(lines 211 589) no Hoare annotation was computed. [2020-11-29 20:51:04,827 INFO L274 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-11-29 20:51:04,828 INFO L270 CegarLoopResult]: At program point L365(lines 348 383) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.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))) (.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 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 20:51:04,828 INFO L274 CegarLoopResult]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-11-29 20:51:04,828 INFO L274 CegarLoopResult]: For program point L200(lines 200 595) no Hoare annotation was computed. [2020-11-29 20:51:04,828 INFO L274 CegarLoopResult]: For program point L167(lines 167 606) no Hoare annotation was computed. [2020-11-29 20:51:04,828 INFO L274 CegarLoopResult]: For program point L134(lines 134 617) no Hoare annotation was computed. [2020-11-29 20:51:04,829 INFO L270 CegarLoopResult]: At program point L101-2(lines 101 658) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse2 .cse3 .cse12) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse13 .cse4) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) .cse11) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2020-11-29 20:51:04,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:51:04 BoogieIcfgContainer [2020-11-29 20:51:04,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:51:04,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:51:04,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:51:04,915 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:51:04,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:50:31" (3/4) ... [2020-11-29 20:51:04,919 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:51:04,952 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 20:51:04,954 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 20:51:04,955 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:51:04,956 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:51:05,105 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0aa4367d-3f33-44be-96ac-5524aca80790/bin/uautomizer/witness.graphml [2020-11-29 20:51:05,105 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:51:05,106 INFO L168 Benchmark]: Toolchain (without parser) took 34889.10 ms. Allocated memory was 96.5 MB in the beginning and 885.0 MB in the end (delta: 788.5 MB). Free memory was 64.7 MB in the beginning and 379.7 MB in the end (delta: -315.0 MB). Peak memory consumption was 473.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:51:05,107 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 69.2 MB. Free memory was 31.4 MB in the beginning and 31.4 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:51:05,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.68 ms. Allocated memory is still 96.5 MB. Free memory was 64.6 MB in the beginning and 69.8 MB in the end (delta: -5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:51:05,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.30 ms. Allocated memory is still 96.5 MB. Free memory was 69.8 MB in the beginning and 67.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:51:05,108 INFO L168 Benchmark]: Boogie Preprocessor took 47.81 ms. Allocated memory is still 96.5 MB. Free memory was 67.2 MB in the beginning and 65.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:51:05,108 INFO L168 Benchmark]: RCFGBuilder took 1041.66 ms. Allocated memory is still 96.5 MB. Free memory was 65.1 MB in the beginning and 59.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 43.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:51:05,109 INFO L168 Benchmark]: TraceAbstraction took 33070.98 ms. Allocated memory was 96.5 MB in the beginning and 885.0 MB in the end (delta: 788.5 MB). Free memory was 59.2 MB in the beginning and 392.3 MB in the end (delta: -333.1 MB). Peak memory consumption was 523.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:51:05,109 INFO L168 Benchmark]: Witness Printer took 190.54 ms. Allocated memory is still 885.0 MB. Free memory was 391.3 MB in the beginning and 379.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:51:05,112 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 69.2 MB. Free memory was 31.4 MB in the beginning and 31.4 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 475.68 ms. Allocated memory is still 96.5 MB. Free memory was 64.6 MB in the beginning and 69.8 MB in the end (delta: -5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.30 ms. Allocated memory is still 96.5 MB. Free memory was 69.8 MB in the beginning and 67.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.81 ms. Allocated memory is still 96.5 MB. Free memory was 67.2 MB in the beginning and 65.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1041.66 ms. Allocated memory is still 96.5 MB. Free memory was 65.1 MB in the beginning and 59.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 43.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 33070.98 ms. Allocated memory was 96.5 MB in the beginning and 885.0 MB in the end (delta: 788.5 MB). Free memory was 59.2 MB in the beginning and 392.3 MB in the end (delta: -333.1 MB). Peak memory consumption was 523.5 MB. Max. memory is 16.1 GB. * Witness Printer took 190.54 ms. Allocated memory is still 885.0 MB. Free memory was 391.3 MB in the beginning and 379.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 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: 400]: Loop Invariant Derived loop invariant: ((((((((((((((s__state <= 8672 && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 3 && s__state <= 8672) && 8672 <= s__state) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && 2 == blastFlag)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481))) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && blastFlag <= 1)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (blastFlag <= 3 && !(s__hit == 0))) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && s__state <= 8448) && 8448 <= s__state)) || s__state <= 3 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(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)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(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)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && 8448 <= s__state) && 2 == blastFlag) || (((blastFlag <= 3 && s__state <= 8448) && 8448 <= s__state) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && 8448 <= s__state) && blastFlag <= 1)) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && s__state <= 8448) && 8448 <= s__state) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (blastFlag <= 3 && 8672 <= s__state) && !(12292 == s__state) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(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)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481))) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) || ((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((!(s__state == 8545) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((!(s__state == 8545) && !(s__state == 8673)) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(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)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((!(s__state == 8673) && blastFlag <= 3) && 8672 <= s__state) && !(s__state == 8672)) && !(s__hit == 0) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((((((s__state <= 8672 && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0))) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8481)) && 2 == blastFlag) || ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0))) || (((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) || (((((((((((((!(s__state == 8545) && s__state <= 8672) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0))) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 3 && s__state <= 8672) && 8672 <= s__state) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && 2 == blastFlag)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481))) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && blastFlag <= 1)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (blastFlag <= 3 && !(s__hit == 0))) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && s__state <= 8448) && 8448 <= s__state)) || s__state <= 3 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((((((((((((s__state <= 8672 && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 139 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.1s, OverallIterations: 32, TraceHistogramMax: 19, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5562 SDtfs, 3443 SDslu, 2677 SDs, 0 SdLazy, 3059 SolverSat, 910 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2584 GetRequests, 2546 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3837occurred in iteration=24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 32 MinimizatonAttempts, 2417 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 367 NumberOfFragments, 2859 HoareAnnotationTreeSize, 29 FomulaSimplifications, 43835 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 29 FomulaSimplificationsInter, 6830 FormulaSimplificationTreeSizeReductionInter, 11.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 7563 NumberOfCodeBlocks, 7563 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 7529 ConstructedInterpolants, 0 QuantifiedInterpolants, 3182748 SizeOfPredicates, 8 NumberOfNonLiveVariables, 4312 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 34 InterpolantComputations, 30 PerfectInterpolantSequences, 25706/25810 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...