./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.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_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/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 310063ef643a90e947dd66ba142cc8ae546f077a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/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 310063ef643a90e947dd66ba142cc8ae546f077a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:21:37,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:21:37,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:21:37,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:21:37,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:21:37,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:21:37,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:21:37,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:21:37,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:21:37,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:21:37,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:21:37,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:21:37,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:21:37,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:21:37,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:21:37,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:21:37,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:21:37,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:21:37,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:21:37,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:21:37,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:21:37,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:21:37,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:21:37,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:21:37,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:21:37,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:21:37,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:21:37,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:21:37,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:21:37,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:21:37,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:21:37,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:21:37,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:21:37,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:21:37,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:21:37,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:21:37,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:21:37,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:21:37,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:21:37,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:21:37,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:21:37,626 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:21:37,653 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:21:37,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:21:37,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:21:37,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:21:37,657 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:21:37,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:21:37,658 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:21:37,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:21:37,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:21:37,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:21:37,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:21:37,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:21:37,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:21:37,661 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:21:37,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:21:37,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:21:37,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:21:37,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:21:37,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:21:37,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:21:37,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:21:37,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:21:37,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:21:37,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:21:37,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:21:37,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:21:37,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:21:37,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:21:37,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:21:37,666 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_b70bf042-aeca-47d3-b949-449d82044020/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 310063ef643a90e947dd66ba142cc8ae546f077a [2020-11-29 19:21:37,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:21:37,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:21:37,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:21:37,989 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:21:37,994 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:21:37,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c [2020-11-29 19:21:38,104 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/data/8cafafe99/56621c6c67a24c70b15f7d2aebe47fcb/FLAG238846c97 [2020-11-29 19:21:38,854 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:21:38,855 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c [2020-11-29 19:21:38,867 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/data/8cafafe99/56621c6c67a24c70b15f7d2aebe47fcb/FLAG238846c97 [2020-11-29 19:21:39,157 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/data/8cafafe99/56621c6c67a24c70b15f7d2aebe47fcb [2020-11-29 19:21:39,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:21:39,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:21:39,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:21:39,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:21:39,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:21:39,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:21:39" (1/1) ... [2020-11-29 19:21:39,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@83fd0e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:39, skipping insertion in model container [2020-11-29 19:21:39,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:21:39" (1/1) ... [2020-11-29 19:21:39,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:21:39,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:21:39,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:21:39,636 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:21:39,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:21:39,751 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:21:39,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:39 WrapperNode [2020-11-29 19:21:39,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:21:39,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:21:39,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:21:39,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:21:39,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:39" (1/1) ... [2020-11-29 19:21:39,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:39" (1/1) ... [2020-11-29 19:21:39,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:21:39,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:21:39,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:21:39,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:21:39,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:39" (1/1) ... [2020-11-29 19:21:39,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:39" (1/1) ... [2020-11-29 19:21:39,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:39" (1/1) ... [2020-11-29 19:21:39,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:39" (1/1) ... [2020-11-29 19:21:39,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:39" (1/1) ... [2020-11-29 19:21:39,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:39" (1/1) ... [2020-11-29 19:21:39,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:39" (1/1) ... [2020-11-29 19:21:39,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:21:39,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:21:39,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:21:39,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:21:39,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/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 19:21:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:21:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:21:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:21:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:21:40,212 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 19:21:40,986 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-11-29 19:21:40,987 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-11-29 19:21:41,003 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:21:41,003 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:21:41,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:21:41 BoogieIcfgContainer [2020-11-29 19:21:41,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:21:41,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:21:41,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:21:41,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:21:41,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:21:39" (1/3) ... [2020-11-29 19:21:41,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d72a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:21:41, skipping insertion in model container [2020-11-29 19:21:41,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:39" (2/3) ... [2020-11-29 19:21:41,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d72a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:21:41, skipping insertion in model container [2020-11-29 19:21:41,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:21:41" (3/3) ... [2020-11-29 19:21:41,019 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.BV.c.cil-1a.c [2020-11-29 19:21:41,028 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:21:41,032 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:21:41,045 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:21:41,071 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:21:41,071 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:21:41,071 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:21:41,071 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:21:41,072 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:21:41,072 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:21:41,072 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:21:41,072 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:21:41,110 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2020-11-29 19:21:41,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:21:41,131 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:41,133 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] [2020-11-29 19:21:41,133 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:41,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:41,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1457697026, now seen corresponding path program 1 times [2020-11-29 19:21:41,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:41,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742791571] [2020-11-29 19:21:41,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:41,475 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 19:21:41,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742791571] [2020-11-29 19:21:41,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:41,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:41,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906688397] [2020-11-29 19:21:41,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:41,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:41,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:41,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:41,506 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 3 states. [2020-11-29 19:21:41,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:41,808 INFO L93 Difference]: Finished difference Result 247 states and 422 transitions. [2020-11-29 19:21:41,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:41,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 19:21:41,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:41,834 INFO L225 Difference]: With dead ends: 247 [2020-11-29 19:21:41,834 INFO L226 Difference]: Without dead ends: 112 [2020-11-29 19:21:41,837 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 19:21:41,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-11-29 19:21:41,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-11-29 19:21:41,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-11-29 19:21:41,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 169 transitions. [2020-11-29 19:21:41,890 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 169 transitions. Word has length 24 [2020-11-29 19:21:41,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:41,891 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 169 transitions. [2020-11-29 19:21:41,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:41,891 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 169 transitions. [2020-11-29 19:21:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 19:21:41,893 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:41,893 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:41,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:21:41,894 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:41,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:41,894 INFO L82 PathProgramCache]: Analyzing trace with hash -611475394, now seen corresponding path program 1 times [2020-11-29 19:21:41,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:41,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668053588] [2020-11-29 19:21:41,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:41,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:41,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668053588] [2020-11-29 19:21:41,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:41,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:41,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379080592] [2020-11-29 19:21:41,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:41,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:41,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:41,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:41,985 INFO L87 Difference]: Start difference. First operand 112 states and 169 transitions. Second operand 3 states. [2020-11-29 19:21:42,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:42,213 INFO L93 Difference]: Finished difference Result 233 states and 356 transitions. [2020-11-29 19:21:42,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:42,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-11-29 19:21:42,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:42,217 INFO L225 Difference]: With dead ends: 233 [2020-11-29 19:21:42,218 INFO L226 Difference]: Without dead ends: 131 [2020-11-29 19:21:42,219 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 19:21:42,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-11-29 19:21:42,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2020-11-29 19:21:42,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-11-29 19:21:42,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 189 transitions. [2020-11-29 19:21:42,247 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 189 transitions. Word has length 36 [2020-11-29 19:21:42,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:42,248 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 189 transitions. [2020-11-29 19:21:42,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:42,249 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 189 transitions. [2020-11-29 19:21:42,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 19:21:42,255 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:42,256 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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 19:21:42,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:21:42,257 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:42,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:42,261 INFO L82 PathProgramCache]: Analyzing trace with hash 213639527, now seen corresponding path program 1 times [2020-11-29 19:21:42,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:42,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703506749] [2020-11-29 19:21:42,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:42,441 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:21:42,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703506749] [2020-11-29 19:21:42,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:42,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:42,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304707033] [2020-11-29 19:21:42,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:42,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:42,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:42,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:42,460 INFO L87 Difference]: Start difference. First operand 127 states and 189 transitions. Second operand 3 states. [2020-11-29 19:21:42,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:42,650 INFO L93 Difference]: Finished difference Result 265 states and 400 transitions. [2020-11-29 19:21:42,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:42,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-11-29 19:21:42,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:42,652 INFO L225 Difference]: With dead ends: 265 [2020-11-29 19:21:42,652 INFO L226 Difference]: Without dead ends: 148 [2020-11-29 19:21:42,653 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 19:21:42,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-11-29 19:21:42,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 144. [2020-11-29 19:21:42,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-11-29 19:21:42,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 211 transitions. [2020-11-29 19:21:42,665 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 211 transitions. Word has length 50 [2020-11-29 19:21:42,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:42,665 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 211 transitions. [2020-11-29 19:21:42,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:42,666 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 211 transitions. [2020-11-29 19:21:42,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 19:21:42,667 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:42,667 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:42,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:21:42,667 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:42,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:42,668 INFO L82 PathProgramCache]: Analyzing trace with hash 370823208, now seen corresponding path program 1 times [2020-11-29 19:21:42,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:42,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739525227] [2020-11-29 19:21:42,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:42,768 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 19:21:42,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739525227] [2020-11-29 19:21:42,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:42,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:42,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006594910] [2020-11-29 19:21:42,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:42,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:42,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:42,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:42,775 INFO L87 Difference]: Start difference. First operand 144 states and 211 transitions. Second operand 3 states. [2020-11-29 19:21:43,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:43,090 INFO L93 Difference]: Finished difference Result 328 states and 496 transitions. [2020-11-29 19:21:43,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:43,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-11-29 19:21:43,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:43,093 INFO L225 Difference]: With dead ends: 328 [2020-11-29 19:21:43,093 INFO L226 Difference]: Without dead ends: 193 [2020-11-29 19:21:43,094 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 19:21:43,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-11-29 19:21:43,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 185. [2020-11-29 19:21:43,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-11-29 19:21:43,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 261 transitions. [2020-11-29 19:21:43,121 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 261 transitions. Word has length 67 [2020-11-29 19:21:43,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:43,126 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 261 transitions. [2020-11-29 19:21:43,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:43,126 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 261 transitions. [2020-11-29 19:21:43,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 19:21:43,130 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:43,131 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:43,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:21:43,132 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:43,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:43,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1434615126, now seen corresponding path program 1 times [2020-11-29 19:21:43,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:43,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016975405] [2020-11-29 19:21:43,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 19:21:43,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016975405] [2020-11-29 19:21:43,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:43,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:43,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390148017] [2020-11-29 19:21:43,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:43,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:43,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:43,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:43,256 INFO L87 Difference]: Start difference. First operand 185 states and 261 transitions. Second operand 3 states. [2020-11-29 19:21:43,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:43,473 INFO L93 Difference]: Finished difference Result 383 states and 548 transitions. [2020-11-29 19:21:43,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:43,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-11-29 19:21:43,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:43,475 INFO L225 Difference]: With dead ends: 383 [2020-11-29 19:21:43,476 INFO L226 Difference]: Without dead ends: 208 [2020-11-29 19:21:43,476 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 19:21:43,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-11-29 19:21:43,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 204. [2020-11-29 19:21:43,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-11-29 19:21:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 285 transitions. [2020-11-29 19:21:43,488 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 285 transitions. Word has length 67 [2020-11-29 19:21:43,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:43,488 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 285 transitions. [2020-11-29 19:21:43,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:43,489 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 285 transitions. [2020-11-29 19:21:43,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-29 19:21:43,491 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:43,491 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:43,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:21:43,491 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:43,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:43,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1023824768, now seen corresponding path program 1 times [2020-11-29 19:21:43,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:43,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166786397] [2020-11-29 19:21:43,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-29 19:21:43,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166786397] [2020-11-29 19:21:43,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:43,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:43,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999984579] [2020-11-29 19:21:43,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:43,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:43,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:43,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:43,602 INFO L87 Difference]: Start difference. First operand 204 states and 285 transitions. Second operand 3 states. [2020-11-29 19:21:43,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:43,844 INFO L93 Difference]: Finished difference Result 422 states and 598 transitions. [2020-11-29 19:21:43,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:43,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-11-29 19:21:43,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:43,846 INFO L225 Difference]: With dead ends: 422 [2020-11-29 19:21:43,846 INFO L226 Difference]: Without dead ends: 228 [2020-11-29 19:21:43,847 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 19:21:43,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-11-29 19:21:43,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 225. [2020-11-29 19:21:43,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-11-29 19:21:43,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 311 transitions. [2020-11-29 19:21:43,865 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 311 transitions. Word has length 83 [2020-11-29 19:21:43,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:43,865 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 311 transitions. [2020-11-29 19:21:43,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:43,866 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 311 transitions. [2020-11-29 19:21:43,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-29 19:21:43,867 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:43,868 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:43,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:21:43,868 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:43,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:43,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1619803512, now seen corresponding path program 1 times [2020-11-29 19:21:43,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:43,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969943716] [2020-11-29 19:21:43,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:43,997 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 19:21:43,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969943716] [2020-11-29 19:21:43,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:43,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:43,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230220083] [2020-11-29 19:21:43,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:43,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:44,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:44,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:44,013 INFO L87 Difference]: Start difference. First operand 225 states and 311 transitions. Second operand 3 states. [2020-11-29 19:21:44,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:44,066 INFO L93 Difference]: Finished difference Result 652 states and 903 transitions. [2020-11-29 19:21:44,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:44,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-11-29 19:21:44,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:44,071 INFO L225 Difference]: With dead ends: 652 [2020-11-29 19:21:44,071 INFO L226 Difference]: Without dead ends: 437 [2020-11-29 19:21:44,072 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 19:21:44,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-11-29 19:21:44,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2020-11-29 19:21:44,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-11-29 19:21:44,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 600 transitions. [2020-11-29 19:21:44,089 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 600 transitions. Word has length 103 [2020-11-29 19:21:44,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:44,090 INFO L481 AbstractCegarLoop]: Abstraction has 437 states and 600 transitions. [2020-11-29 19:21:44,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:44,090 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 600 transitions. [2020-11-29 19:21:44,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-29 19:21:44,092 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:44,092 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:44,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:21:44,092 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:44,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:44,093 INFO L82 PathProgramCache]: Analyzing trace with hash -713589126, now seen corresponding path program 1 times [2020-11-29 19:21:44,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:44,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419281211] [2020-11-29 19:21:44,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-29 19:21:44,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419281211] [2020-11-29 19:21:44,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:44,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:44,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410848531] [2020-11-29 19:21:44,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:44,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:44,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:44,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:44,184 INFO L87 Difference]: Start difference. First operand 437 states and 600 transitions. Second operand 3 states. [2020-11-29 19:21:44,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:44,223 INFO L93 Difference]: Finished difference Result 885 states and 1214 transitions. [2020-11-29 19:21:44,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:44,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-11-29 19:21:44,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:44,228 INFO L225 Difference]: With dead ends: 885 [2020-11-29 19:21:44,228 INFO L226 Difference]: Without dead ends: 458 [2020-11-29 19:21:44,229 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 19:21:44,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-11-29 19:21:44,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2020-11-29 19:21:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-11-29 19:21:44,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 627 transitions. [2020-11-29 19:21:44,251 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 627 transitions. Word has length 103 [2020-11-29 19:21:44,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:44,252 INFO L481 AbstractCegarLoop]: Abstraction has 458 states and 627 transitions. [2020-11-29 19:21:44,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:44,252 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 627 transitions. [2020-11-29 19:21:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-11-29 19:21:44,254 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:44,254 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:44,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:21:44,254 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:44,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:44,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1034569449, now seen corresponding path program 1 times [2020-11-29 19:21:44,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:44,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062437573] [2020-11-29 19:21:44,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:44,317 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-11-29 19:21:44,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062437573] [2020-11-29 19:21:44,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:44,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:44,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818767227] [2020-11-29 19:21:44,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:44,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:44,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:44,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:44,325 INFO L87 Difference]: Start difference. First operand 458 states and 627 transitions. Second operand 3 states. [2020-11-29 19:21:44,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:44,361 INFO L93 Difference]: Finished difference Result 932 states and 1274 transitions. [2020-11-29 19:21:44,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:44,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-11-29 19:21:44,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:44,365 INFO L225 Difference]: With dead ends: 932 [2020-11-29 19:21:44,365 INFO L226 Difference]: Without dead ends: 484 [2020-11-29 19:21:44,366 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 19:21:44,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2020-11-29 19:21:44,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2020-11-29 19:21:44,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-11-29 19:21:44,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 660 transitions. [2020-11-29 19:21:44,387 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 660 transitions. Word has length 104 [2020-11-29 19:21:44,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:44,387 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 660 transitions. [2020-11-29 19:21:44,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:44,387 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 660 transitions. [2020-11-29 19:21:44,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-29 19:21:44,389 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:44,389 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:44,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:21:44,390 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:44,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:44,390 INFO L82 PathProgramCache]: Analyzing trace with hash -53319870, now seen corresponding path program 1 times [2020-11-29 19:21:44,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:44,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130396159] [2020-11-29 19:21:44,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:44,482 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-11-29 19:21:44,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130396159] [2020-11-29 19:21:44,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:44,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:44,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956184853] [2020-11-29 19:21:44,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:44,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:44,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:44,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:44,492 INFO L87 Difference]: Start difference. First operand 484 states and 660 transitions. Second operand 3 states. [2020-11-29 19:21:44,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:44,540 INFO L93 Difference]: Finished difference Result 699 states and 957 transitions. [2020-11-29 19:21:44,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:44,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-29 19:21:44,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:44,545 INFO L225 Difference]: With dead ends: 699 [2020-11-29 19:21:44,545 INFO L226 Difference]: Without dead ends: 697 [2020-11-29 19:21:44,546 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 19:21:44,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2020-11-29 19:21:44,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 697. [2020-11-29 19:21:44,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-11-29 19:21:44,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 955 transitions. [2020-11-29 19:21:44,588 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 955 transitions. Word has length 105 [2020-11-29 19:21:44,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:44,589 INFO L481 AbstractCegarLoop]: Abstraction has 697 states and 955 transitions. [2020-11-29 19:21:44,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:44,589 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 955 transitions. [2020-11-29 19:21:44,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-11-29 19:21:44,595 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:44,595 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:44,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 19:21:44,595 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:44,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:44,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1519363111, now seen corresponding path program 1 times [2020-11-29 19:21:44,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:44,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258730048] [2020-11-29 19:21:44,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2020-11-29 19:21:44,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258730048] [2020-11-29 19:21:44,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:44,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:44,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951985125] [2020-11-29 19:21:44,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:44,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:44,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:44,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:44,705 INFO L87 Difference]: Start difference. First operand 697 states and 955 transitions. Second operand 3 states. [2020-11-29 19:21:44,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:44,996 INFO L93 Difference]: Finished difference Result 1508 states and 2127 transitions. [2020-11-29 19:21:44,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:44,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-11-29 19:21:44,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:45,005 INFO L225 Difference]: With dead ends: 1508 [2020-11-29 19:21:45,006 INFO L226 Difference]: Without dead ends: 844 [2020-11-29 19:21:45,008 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 19:21:45,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2020-11-29 19:21:45,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 814. [2020-11-29 19:21:45,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 814 states. [2020-11-29 19:21:45,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1144 transitions. [2020-11-29 19:21:45,049 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1144 transitions. Word has length 173 [2020-11-29 19:21:45,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:45,049 INFO L481 AbstractCegarLoop]: Abstraction has 814 states and 1144 transitions. [2020-11-29 19:21:45,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:45,050 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1144 transitions. [2020-11-29 19:21:45,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-29 19:21:45,054 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:45,054 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 19:21:45,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 19:21:45,055 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:45,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:45,055 INFO L82 PathProgramCache]: Analyzing trace with hash -598161639, now seen corresponding path program 2 times [2020-11-29 19:21:45,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:45,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458388756] [2020-11-29 19:21:45,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:45,174 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2020-11-29 19:21:45,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458388756] [2020-11-29 19:21:45,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:45,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:45,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502282526] [2020-11-29 19:21:45,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:45,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:45,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:45,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:45,177 INFO L87 Difference]: Start difference. First operand 814 states and 1144 transitions. Second operand 3 states. [2020-11-29 19:21:45,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:45,476 INFO L93 Difference]: Finished difference Result 1870 states and 2708 transitions. [2020-11-29 19:21:45,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:45,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-11-29 19:21:45,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:45,484 INFO L225 Difference]: With dead ends: 1870 [2020-11-29 19:21:45,485 INFO L226 Difference]: Without dead ends: 1041 [2020-11-29 19:21:45,486 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 19:21:45,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2020-11-29 19:21:45,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 1003. [2020-11-29 19:21:45,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1003 states. [2020-11-29 19:21:45,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1396 transitions. [2020-11-29 19:21:45,522 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1396 transitions. Word has length 185 [2020-11-29 19:21:45,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:45,523 INFO L481 AbstractCegarLoop]: Abstraction has 1003 states and 1396 transitions. [2020-11-29 19:21:45,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:45,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1396 transitions. [2020-11-29 19:21:45,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-11-29 19:21:45,527 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:45,528 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 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 19:21:45,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 19:21:45,528 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:45,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:45,529 INFO L82 PathProgramCache]: Analyzing trace with hash -759567935, now seen corresponding path program 1 times [2020-11-29 19:21:45,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:45,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735019201] [2020-11-29 19:21:45,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:45,773 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2020-11-29 19:21:45,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735019201] [2020-11-29 19:21:45,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:45,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:45,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884266502] [2020-11-29 19:21:45,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:45,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:45,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:45,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:45,775 INFO L87 Difference]: Start difference. First operand 1003 states and 1396 transitions. Second operand 3 states. [2020-11-29 19:21:45,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:45,835 INFO L93 Difference]: Finished difference Result 2282 states and 3180 transitions. [2020-11-29 19:21:45,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:45,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2020-11-29 19:21:45,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:45,845 INFO L225 Difference]: With dead ends: 2282 [2020-11-29 19:21:45,845 INFO L226 Difference]: Without dead ends: 1315 [2020-11-29 19:21:45,847 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 19:21:45,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states. [2020-11-29 19:21:45,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 1315. [2020-11-29 19:21:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1315 states. [2020-11-29 19:21:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1828 transitions. [2020-11-29 19:21:45,904 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1828 transitions. Word has length 194 [2020-11-29 19:21:45,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:45,904 INFO L481 AbstractCegarLoop]: Abstraction has 1315 states and 1828 transitions. [2020-11-29 19:21:45,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:45,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1828 transitions. [2020-11-29 19:21:45,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-11-29 19:21:45,910 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:45,910 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:45,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 19:21:45,910 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:45,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:45,911 INFO L82 PathProgramCache]: Analyzing trace with hash -915330113, now seen corresponding path program 1 times [2020-11-29 19:21:45,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:45,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132565890] [2020-11-29 19:21:45,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:46,052 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2020-11-29 19:21:46,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132565890] [2020-11-29 19:21:46,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:46,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:46,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003242584] [2020-11-29 19:21:46,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:46,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:46,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:46,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:46,054 INFO L87 Difference]: Start difference. First operand 1315 states and 1828 transitions. Second operand 3 states. [2020-11-29 19:21:46,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:46,133 INFO L93 Difference]: Finished difference Result 3583 states and 5032 transitions. [2020-11-29 19:21:46,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:46,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2020-11-29 19:21:46,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:46,149 INFO L225 Difference]: With dead ends: 3583 [2020-11-29 19:21:46,150 INFO L226 Difference]: Without dead ends: 2325 [2020-11-29 19:21:46,153 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 19:21:46,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2325 states. [2020-11-29 19:21:46,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2325 to 2323. [2020-11-29 19:21:46,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2323 states. [2020-11-29 19:21:46,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2323 states and 3265 transitions. [2020-11-29 19:21:46,242 INFO L78 Accepts]: Start accepts. Automaton has 2323 states and 3265 transitions. Word has length 196 [2020-11-29 19:21:46,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:46,243 INFO L481 AbstractCegarLoop]: Abstraction has 2323 states and 3265 transitions. [2020-11-29 19:21:46,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:46,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 3265 transitions. [2020-11-29 19:21:46,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-11-29 19:21:46,248 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:46,249 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 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, 1, 1, 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 19:21:46,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 19:21:46,249 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:46,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:46,250 INFO L82 PathProgramCache]: Analyzing trace with hash 342847369, now seen corresponding path program 1 times [2020-11-29 19:21:46,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:46,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256669460] [2020-11-29 19:21:46,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:21:46,335 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:21:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:21:46,401 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:21:46,519 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:21:46,519 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 19:21:46,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 19:21:46,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:21:46 BoogieIcfgContainer [2020-11-29 19:21:46,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:21:46,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:21:46,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:21:46,744 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:21:46,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:21:41" (3/4) ... [2020-11-29 19:21:46,747 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 19:21:46,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:21:46,750 INFO L168 Benchmark]: Toolchain (without parser) took 7583.88 ms. Allocated memory was 151.0 MB in the beginning and 220.2 MB in the end (delta: 69.2 MB). Free memory was 123.3 MB in the beginning and 86.2 MB in the end (delta: 37.1 MB). Peak memory consumption was 104.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:46,750 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 92.3 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:21:46,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.06 ms. Allocated memory is still 151.0 MB. Free memory was 123.3 MB in the beginning and 124.0 MB in the end (delta: -661.1 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:46,752 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.82 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 121.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:46,754 INFO L168 Benchmark]: Boogie Preprocessor took 59.42 ms. Allocated memory is still 151.0 MB. Free memory was 121.4 MB in the beginning and 119.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:46,754 INFO L168 Benchmark]: RCFGBuilder took 1106.96 ms. Allocated memory is still 151.0 MB. Free memory was 119.3 MB in the beginning and 75.0 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:46,755 INFO L168 Benchmark]: TraceAbstraction took 5731.57 ms. Allocated memory was 151.0 MB in the beginning and 220.2 MB in the end (delta: 69.2 MB). Free memory was 74.7 MB in the beginning and 86.2 MB in the end (delta: -11.5 MB). Peak memory consumption was 59.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:46,755 INFO L168 Benchmark]: Witness Printer took 4.37 ms. Allocated memory is still 220.2 MB. Free memory is still 86.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:21:46,760 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 92.3 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 575.06 ms. Allocated memory is still 151.0 MB. Free memory was 123.3 MB in the beginning and 124.0 MB in the end (delta: -661.1 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.82 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 121.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.42 ms. Allocated memory is still 151.0 MB. Free memory was 121.4 MB in the beginning and 119.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1106.96 ms. Allocated memory is still 151.0 MB. Free memory was 119.3 MB in the beginning and 75.0 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5731.57 ms. Allocated memory was 151.0 MB in the beginning and 220.2 MB in the end (delta: 69.2 MB). Free memory was 74.7 MB in the beginning and 86.2 MB in the end (delta: -11.5 MB). Peak memory consumption was 59.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.37 ms. Allocated memory is still 220.2 MB. Free memory is still 86.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseXor at line 358. Possible FailurePath: [L619] int __retres1 ; [L11] int s__info_callback = __VERIFIER_nondet_int(); [L12] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] unsigned int s__version = __VERIFIER_nondet_uint(); [L17] int s__type ; [L18] int s__init_num ; [L19] int s__bbio = __VERIFIER_nondet_int(); [L20] int s__wbio = __VERIFIER_nondet_int(); [L21] int s__hit = __VERIFIER_nondet_int(); [L22] int s__rwstate ; [L23] int s__init_buf___0 ; [L24] int s__debug = __VERIFIER_nondet_int(); [L25] int s__shutdown ; [L26] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L27] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L28] unsigned int s__ctx__stats__sess_connect ; [L29] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L30] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L31] int s__s3__change_cipher_spec ; [L32] int s__s3__flags ; [L33] int s__s3__delay_buf_pop_ret ; [L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L41] int s__session__cipher ; [L42] int s__session__compress_meth ; [L43] int buf ; [L44] unsigned long tmp ; [L45] unsigned long l ; [L46] int num1 ; [L47] int cb ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int tmp___0 ; [L53] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L54] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L55] int tmp___3 = __VERIFIER_nondet_int(); [L56] int tmp___4 = __VERIFIER_nondet_int(); [L57] int tmp___5 = __VERIFIER_nondet_int(); [L58] int tmp___6 = __VERIFIER_nondet_int(); [L59] int tmp___7 = __VERIFIER_nondet_int(); [L60] int tmp___8 = __VERIFIER_nondet_int(); [L61] int tmp___9 = __VERIFIER_nondet_int(); [L62] int blastFlag ; [L63] int ag_X ; [L64] int ag_Y ; [L65] int __retres59 ; [L68] s__state = 12292 [L69] blastFlag = 0 [L70] tmp = __VERIFIER_nondet_int() [L71] cb = 0 [L72] ret = -1 [L73] skip = 0 [L74] tmp___0 = 0 [L75] COND TRUE s__info_callback != 0 [L76] cb = s__info_callback [L84] s__in_handshake = s__in_handshake + 1 [L85] COND FALSE !(tmp___1 - 12288) [L95] COND TRUE 1 [L97] state = s__state [L98] COND TRUE s__state == 12292 [L201] s__new_session = 1 [L202] s__state = 4096 [L203] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L208] s__server = 0 [L209] COND TRUE cb != 0 [L214] COND FALSE !(s__version - 65280 != 768) [L220] s__type = 4096 [L221] COND FALSE !(s__init_buf___0 == 0) [L239] COND FALSE !(! tmp___4) [L245] COND FALSE !(! tmp___5) [L251] s__state = 4368 [L252] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L253] s__init_num = 0 [L568] COND FALSE !(! s__s3__tmp__reuse_message) [L597] skip = 0 [L95] COND TRUE 1 [L97] state = s__state [L98] COND FALSE !(s__state == 12292) [L101] COND FALSE !(s__state == 16384) [L104] COND FALSE !(s__state == 4096) [L107] COND FALSE !(s__state == 20480) [L110] COND FALSE !(s__state == 4099) [L113] COND TRUE s__state == 4368 [L257] s__shutdown = 0 [L258] ret = __VERIFIER_nondet_int() [L259] COND TRUE blastFlag == 0 [L260] blastFlag = 1 [L268] COND FALSE !(ret <= 0) [L273] s__state = 4384 [L274] s__init_num = 0 [L275] COND TRUE s__bbio != s__wbio [L568] COND FALSE !(! s__s3__tmp__reuse_message) [L597] skip = 0 [L95] COND TRUE 1 [L97] state = s__state [L98] COND FALSE !(s__state == 12292) [L101] COND FALSE !(s__state == 16384) [L104] COND FALSE !(s__state == 4096) [L107] COND FALSE !(s__state == 20480) [L110] COND FALSE !(s__state == 4099) [L113] COND FALSE !(s__state == 4368) [L116] COND FALSE !(s__state == 4369) [L119] COND TRUE s__state == 4384 [L283] ret = __VERIFIER_nondet_int() [L284] COND TRUE blastFlag == 1 [L285] blastFlag = 2 [L289] COND FALSE !(ret <= 0) [L294] COND FALSE !(\read(s__hit)) [L297] s__state = 4400 [L299] s__init_num = 0 [L568] COND FALSE !(! s__s3__tmp__reuse_message) [L597] skip = 0 [L95] COND TRUE 1 [L97] state = s__state [L98] COND FALSE !(s__state == 12292) [L101] COND FALSE !(s__state == 16384) [L104] COND FALSE !(s__state == 4096) [L107] COND FALSE !(s__state == 20480) [L110] COND FALSE !(s__state == 4099) [L113] COND FALSE !(s__state == 4368) [L116] COND FALSE !(s__state == 4369) [L119] COND FALSE !(s__state == 4384) [L122] COND FALSE !(s__state == 4385) [L125] COND TRUE s__state == 4400 [L303] COND FALSE !((unsigned long )s__s3__tmp__new_cipher__algorithms - 256UL) [L306] ret = __VERIFIER_nondet_int() [L307] COND TRUE blastFlag == 2 [L308] blastFlag = 3 [L312] COND FALSE !(ret <= 0) [L318] ag_Y = 61087 [L319] s__state = 4416 [L320] s__init_num = 0 [L568] COND FALSE !(! s__s3__tmp__reuse_message) [L597] skip = 0 [L95] COND TRUE 1 [L97] state = s__state [L98] COND FALSE !(s__state == 12292) [L101] COND FALSE !(s__state == 16384) [L104] COND FALSE !(s__state == 4096) [L107] COND FALSE !(s__state == 20480) [L110] COND FALSE !(s__state == 4099) [L113] COND FALSE !(s__state == 4368) [L116] COND FALSE !(s__state == 4369) [L119] COND FALSE !(s__state == 4384) [L122] COND FALSE !(s__state == 4385) [L125] COND FALSE !(s__state == 4400) [L128] COND FALSE !(s__state == 4401) [L131] COND TRUE s__state == 4416 [L324] ret = __VERIFIER_nondet_int() [L325] COND TRUE blastFlag == 3 [L326] blastFlag = 4 [L330] COND FALSE !(ret <= 0) [L335] s__state = 4432 [L336] ag_X = (unsigned short)65535 [L337] s__init_num = 0 [L338] COND FALSE !(! tmp___6) [L568] COND FALSE !(! s__s3__tmp__reuse_message) [L597] skip = 0 [L95] COND TRUE 1 [L97] state = s__state [L98] COND FALSE !(s__state == 12292) [L101] COND FALSE !(s__state == 16384) [L104] COND FALSE !(s__state == 4096) [L107] COND FALSE !(s__state == 20480) [L110] COND FALSE !(s__state == 4099) [L113] COND FALSE !(s__state == 4368) [L116] COND FALSE !(s__state == 4369) [L119] COND FALSE !(s__state == 4384) [L122] COND FALSE !(s__state == 4385) [L125] COND FALSE !(s__state == 4400) [L128] COND FALSE !(s__state == 4401) [L131] COND FALSE !(s__state == 4416) [L134] COND FALSE !(s__state == 4417) [L137] COND TRUE s__state == 4432 [L347] ret = __VERIFIER_nondet_int() [L348] COND FALSE !(blastFlag == 5) [L353] COND FALSE !(ret <= 0) [L358] s__state = ag_X ^ ag_Y [L359] s__init_num = 0 [L568] COND FALSE !(! s__s3__tmp__reuse_message) [L597] skip = 0 [L95] COND TRUE 1 [L97] state = s__state [L98] COND FALSE !(s__state == 12292) [L101] COND FALSE !(s__state == 16384) [L104] COND FALSE !(s__state == 4096) [L107] COND FALSE !(s__state == 20480) [L110] COND FALSE !(s__state == 4099) [L113] COND TRUE s__state == 4368 [L257] s__shutdown = 0 [L258] ret = __VERIFIER_nondet_int() [L259] COND FALSE !(blastFlag == 0) [L262] COND TRUE blastFlag == 4 [L263] blastFlag = 5 [L268] COND FALSE !(ret <= 0) [L273] s__state = 4384 [L274] s__init_num = 0 [L275] COND TRUE s__bbio != s__wbio [L568] COND FALSE !(! s__s3__tmp__reuse_message) [L597] skip = 0 [L95] COND TRUE 1 [L97] state = s__state [L98] COND FALSE !(s__state == 12292) [L101] COND FALSE !(s__state == 16384) [L104] COND FALSE !(s__state == 4096) [L107] COND FALSE !(s__state == 20480) [L110] COND FALSE !(s__state == 4099) [L113] COND FALSE !(s__state == 4368) [L116] COND FALSE !(s__state == 4369) [L119] COND TRUE s__state == 4384 [L283] ret = __VERIFIER_nondet_int() [L284] COND FALSE !(blastFlag == 1) [L289] COND FALSE !(ret <= 0) [L294] COND FALSE !(\read(s__hit)) [L297] s__state = 4400 [L299] s__init_num = 0 [L568] COND FALSE !(! s__s3__tmp__reuse_message) [L597] skip = 0 [L95] COND TRUE 1 [L97] state = s__state [L98] COND FALSE !(s__state == 12292) [L101] COND FALSE !(s__state == 16384) [L104] COND FALSE !(s__state == 4096) [L107] COND FALSE !(s__state == 20480) [L110] COND FALSE !(s__state == 4099) [L113] COND FALSE !(s__state == 4368) [L116] COND FALSE !(s__state == 4369) [L119] COND FALSE !(s__state == 4384) [L122] COND FALSE !(s__state == 4385) [L125] COND TRUE s__state == 4400 [L303] COND FALSE !((unsigned long )s__s3__tmp__new_cipher__algorithms - 256UL) [L306] ret = __VERIFIER_nondet_int() [L307] COND FALSE !(blastFlag == 2) [L312] COND FALSE !(ret <= 0) [L318] ag_Y = 61087 [L319] s__state = 4416 [L320] s__init_num = 0 [L568] COND FALSE !(! s__s3__tmp__reuse_message) [L597] skip = 0 [L95] COND TRUE 1 [L97] state = s__state [L98] COND FALSE !(s__state == 12292) [L101] COND FALSE !(s__state == 16384) [L104] COND FALSE !(s__state == 4096) [L107] COND FALSE !(s__state == 20480) [L110] COND FALSE !(s__state == 4099) [L113] COND FALSE !(s__state == 4368) [L116] COND FALSE !(s__state == 4369) [L119] COND FALSE !(s__state == 4384) [L122] COND FALSE !(s__state == 4385) [L125] COND FALSE !(s__state == 4400) [L128] COND FALSE !(s__state == 4401) [L131] COND TRUE s__state == 4416 [L324] ret = __VERIFIER_nondet_int() [L325] COND FALSE !(blastFlag == 3) [L330] COND FALSE !(ret <= 0) [L335] s__state = 4432 [L336] ag_X = (unsigned short)65535 [L337] s__init_num = 0 [L338] COND FALSE !(! tmp___6) [L568] COND FALSE !(! s__s3__tmp__reuse_message) [L597] skip = 0 [L95] COND TRUE 1 [L97] state = s__state [L98] COND FALSE !(s__state == 12292) [L101] COND FALSE !(s__state == 16384) [L104] COND FALSE !(s__state == 4096) [L107] COND FALSE !(s__state == 20480) [L110] COND FALSE !(s__state == 4099) [L113] COND FALSE !(s__state == 4368) [L116] COND FALSE !(s__state == 4369) [L119] COND FALSE !(s__state == 4384) [L122] COND FALSE !(s__state == 4385) [L125] COND FALSE !(s__state == 4400) [L128] COND FALSE !(s__state == 4401) [L131] COND FALSE !(s__state == 4416) [L134] COND FALSE !(s__state == 4417) [L137] COND TRUE s__state == 4432 [L347] ret = __VERIFIER_nondet_int() [L348] COND TRUE blastFlag == 5 [L3] __assert_fail("0", "s3_clnt_2.BV.c.cil-1a.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.4s, OverallIterations: 15, TraceHistogramMax: 11, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2634 SDtfs, 812 SDslu, 1502 SDs, 0 SdLazy, 896 SolverSat, 173 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2323occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 93 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1686 NumberOfCodeBlocks, 1686 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1476 ConstructedInterpolants, 0 QuantifiedInterpolants, 447550 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 2791/2791 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:21:49,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:21:49,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:21:49,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:21:49,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:21:49,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:21:49,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:21:49,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:21:49,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:21:49,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:21:49,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:21:49,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:21:49,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:21:49,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:21:49,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:21:49,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:21:49,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:21:49,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:21:49,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:21:49,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:21:49,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:21:49,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:21:49,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:21:49,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:21:49,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:21:49,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:21:49,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:21:49,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:21:49,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:21:49,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:21:49,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:21:49,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:21:49,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:21:49,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:21:49,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:21:49,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:21:49,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:21:49,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:21:49,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:21:49,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:21:49,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:21:49,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 19:21:49,922 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:21:49,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:21:49,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:21:49,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:21:49,926 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:21:49,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:21:49,926 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:21:49,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:21:49,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:21:49,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:21:49,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:21:49,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:21:49,928 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 19:21:49,929 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 19:21:49,929 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:21:49,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:21:49,929 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:21:49,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:21:49,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:21:49,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:21:49,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:21:49,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:21:49,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:21:49,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:21:49,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:21:49,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:21:49,931 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 19:21:49,931 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 19:21:49,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:21:49,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:21:49,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 19:21:49,932 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_b70bf042-aeca-47d3-b949-449d82044020/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 310063ef643a90e947dd66ba142cc8ae546f077a [2020-11-29 19:21:50,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:21:50,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:21:50,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:21:50,348 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:21:50,349 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:21:50,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c [2020-11-29 19:21:50,413 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/data/04176544a/bdda64128ff64e23846184c8d5c84660/FLAG20bd4e677 [2020-11-29 19:21:51,080 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:21:51,081 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c [2020-11-29 19:21:51,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/data/04176544a/bdda64128ff64e23846184c8d5c84660/FLAG20bd4e677 [2020-11-29 19:21:51,382 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/data/04176544a/bdda64128ff64e23846184c8d5c84660 [2020-11-29 19:21:51,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:21:51,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:21:51,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:21:51,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:21:51,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:21:51,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:21:51" (1/1) ... [2020-11-29 19:21:51,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7717531f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:51, skipping insertion in model container [2020-11-29 19:21:51,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:21:51" (1/1) ... [2020-11-29 19:21:51,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:21:51,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:21:51,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:21:51,903 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:21:51,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:21:51,998 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:21:52,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:52 WrapperNode [2020-11-29 19:21:52,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:21:52,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:21:52,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:21:52,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:21:52,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:52" (1/1) ... [2020-11-29 19:21:52,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:52" (1/1) ... [2020-11-29 19:21:52,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:21:52,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:21:52,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:21:52,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:21:52,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:52" (1/1) ... [2020-11-29 19:21:52,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:52" (1/1) ... [2020-11-29 19:21:52,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:52" (1/1) ... [2020-11-29 19:21:52,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:52" (1/1) ... [2020-11-29 19:21:52,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:52" (1/1) ... [2020-11-29 19:21:52,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:52" (1/1) ... [2020-11-29 19:21:52,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:52" (1/1) ... [2020-11-29 19:21:52,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:21:52,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:21:52,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:21:52,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:21:52,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/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 19:21:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 19:21:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:21:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:21:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:21:52,459 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 19:21:53,125 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-11-29 19:21:53,125 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-11-29 19:21:53,139 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:21:53,139 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:21:53,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:21:53 BoogieIcfgContainer [2020-11-29 19:21:53,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:21:53,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:21:53,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:21:53,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:21:53,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:21:51" (1/3) ... [2020-11-29 19:21:53,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44eb295c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:21:53, skipping insertion in model container [2020-11-29 19:21:53,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:52" (2/3) ... [2020-11-29 19:21:53,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44eb295c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:21:53, skipping insertion in model container [2020-11-29 19:21:53,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:21:53" (3/3) ... [2020-11-29 19:21:53,152 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.BV.c.cil-1a.c [2020-11-29 19:21:53,163 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:21:53,168 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:21:53,180 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:21:53,207 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:21:53,208 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:21:53,208 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:21:53,208 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:21:53,208 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:21:53,208 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:21:53,209 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:21:53,209 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:21:53,230 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2020-11-29 19:21:53,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:21:53,240 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:53,241 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] [2020-11-29 19:21:53,241 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:53,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:53,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1457697026, now seen corresponding path program 1 times [2020-11-29 19:21:53,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:21:53,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187965204] [2020-11-29 19:21:53,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 19:21:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:53,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:21:53,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:53,467 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 19:21:53,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:21:53,489 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 19:21:53,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [187965204] [2020-11-29 19:21:53,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:53,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-29 19:21:53,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315844401] [2020-11-29 19:21:53,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:53,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:21:53,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:53,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:53,517 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 3 states. [2020-11-29 19:21:53,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:53,799 INFO L93 Difference]: Finished difference Result 247 states and 422 transitions. [2020-11-29 19:21:53,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:53,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 19:21:53,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:53,811 INFO L225 Difference]: With dead ends: 247 [2020-11-29 19:21:53,811 INFO L226 Difference]: Without dead ends: 112 [2020-11-29 19:21:53,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 19:21:53,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-11-29 19:21:53,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-11-29 19:21:53,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-11-29 19:21:53,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 169 transitions. [2020-11-29 19:21:53,857 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 169 transitions. Word has length 24 [2020-11-29 19:21:53,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:53,857 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 169 transitions. [2020-11-29 19:21:53,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:53,858 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 169 transitions. [2020-11-29 19:21:53,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 19:21:53,859 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:53,860 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:54,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 19:21:54,075 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:54,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:54,076 INFO L82 PathProgramCache]: Analyzing trace with hash -611475394, now seen corresponding path program 1 times [2020-11-29 19:21:54,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:21:54,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484158482] [2020-11-29 19:21:54,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 19:21:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:54,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:21:54,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:54,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:54,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:21:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:54,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [484158482] [2020-11-29 19:21:54,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:54,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-29 19:21:54,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093350508] [2020-11-29 19:21:54,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:54,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:21:54,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:54,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:54,236 INFO L87 Difference]: Start difference. First operand 112 states and 169 transitions. Second operand 3 states. [2020-11-29 19:21:54,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:54,476 INFO L93 Difference]: Finished difference Result 233 states and 356 transitions. [2020-11-29 19:21:54,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:54,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-11-29 19:21:54,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:54,478 INFO L225 Difference]: With dead ends: 233 [2020-11-29 19:21:54,479 INFO L226 Difference]: Without dead ends: 131 [2020-11-29 19:21:54,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 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 19:21:54,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-11-29 19:21:54,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2020-11-29 19:21:54,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-11-29 19:21:54,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 189 transitions. [2020-11-29 19:21:54,504 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 189 transitions. Word has length 36 [2020-11-29 19:21:54,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:54,505 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 189 transitions. [2020-11-29 19:21:54,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:54,505 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 189 transitions. [2020-11-29 19:21:54,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 19:21:54,511 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:54,514 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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 19:21:54,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 19:21:54,731 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:54,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:54,731 INFO L82 PathProgramCache]: Analyzing trace with hash 213639527, now seen corresponding path program 1 times [2020-11-29 19:21:54,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:21:54,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1739953713] [2020-11-29 19:21:54,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-29 19:21:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:54,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:21:54,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:54,864 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:21:54,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:21:54,872 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:21:54,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1739953713] [2020-11-29 19:21:54,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:54,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-29 19:21:54,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062340814] [2020-11-29 19:21:54,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:54,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:21:54,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:54,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:54,875 INFO L87 Difference]: Start difference. First operand 127 states and 189 transitions. Second operand 3 states. [2020-11-29 19:21:55,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:55,137 INFO L93 Difference]: Finished difference Result 265 states and 400 transitions. [2020-11-29 19:21:55,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:55,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-11-29 19:21:55,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:55,140 INFO L225 Difference]: With dead ends: 265 [2020-11-29 19:21:55,140 INFO L226 Difference]: Without dead ends: 148 [2020-11-29 19:21:55,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 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 19:21:55,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-11-29 19:21:55,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 144. [2020-11-29 19:21:55,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-11-29 19:21:55,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 211 transitions. [2020-11-29 19:21:55,164 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 211 transitions. Word has length 50 [2020-11-29 19:21:55,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:55,165 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 211 transitions. [2020-11-29 19:21:55,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:55,166 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 211 transitions. [2020-11-29 19:21:55,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 19:21:55,172 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:55,172 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:55,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 19:21:55,384 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:55,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:55,384 INFO L82 PathProgramCache]: Analyzing trace with hash 370823208, now seen corresponding path program 1 times [2020-11-29 19:21:55,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:21:55,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [763793020] [2020-11-29 19:21:55,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-29 19:21:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:55,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:21:55,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:55,516 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 19:21:55,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:21:55,551 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 19:21:55,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [763793020] [2020-11-29 19:21:55,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:55,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 19:21:55,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411517263] [2020-11-29 19:21:55,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:21:55,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:21:55,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:21:55,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:21:55,557 INFO L87 Difference]: Start difference. First operand 144 states and 211 transitions. Second operand 4 states. [2020-11-29 19:21:55,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:55,986 INFO L93 Difference]: Finished difference Result 349 states and 534 transitions. [2020-11-29 19:21:55,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:21:55,987 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2020-11-29 19:21:55,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:55,989 INFO L225 Difference]: With dead ends: 349 [2020-11-29 19:21:55,990 INFO L226 Difference]: Without dead ends: 215 [2020-11-29 19:21:55,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:21:55,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-11-29 19:21:56,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 207. [2020-11-29 19:21:56,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-11-29 19:21:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 297 transitions. [2020-11-29 19:21:56,028 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 297 transitions. Word has length 67 [2020-11-29 19:21:56,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:56,032 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 297 transitions. [2020-11-29 19:21:56,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:21:56,033 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 297 transitions. [2020-11-29 19:21:56,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-29 19:21:56,039 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:56,040 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:56,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 19:21:56,263 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:56,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:56,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1528022105, now seen corresponding path program 1 times [2020-11-29 19:21:56,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:21:56,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220118522] [2020-11-29 19:21:56,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-29 19:21:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:56,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:21:56,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 19:21:56,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:21:56,410 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 19:21:56,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220118522] [2020-11-29 19:21:56,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:56,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-29 19:21:56,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893830859] [2020-11-29 19:21:56,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:56,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:21:56,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:56,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:56,413 INFO L87 Difference]: Start difference. First operand 207 states and 297 transitions. Second operand 3 states. [2020-11-29 19:21:56,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:56,628 INFO L93 Difference]: Finished difference Result 427 states and 620 transitions. [2020-11-29 19:21:56,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:56,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-11-29 19:21:56,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:56,630 INFO L225 Difference]: With dead ends: 427 [2020-11-29 19:21:56,630 INFO L226 Difference]: Without dead ends: 230 [2020-11-29 19:21:56,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 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 19:21:56,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-11-29 19:21:56,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 226. [2020-11-29 19:21:56,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-11-29 19:21:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 321 transitions. [2020-11-29 19:21:56,649 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 321 transitions. Word has length 68 [2020-11-29 19:21:56,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:56,649 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 321 transitions. [2020-11-29 19:21:56,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 321 transitions. [2020-11-29 19:21:56,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-29 19:21:56,651 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:56,651 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:56,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-29 19:21:56,867 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:56,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:56,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1678422895, now seen corresponding path program 1 times [2020-11-29 19:21:56,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:21:56,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1326557678] [2020-11-29 19:21:56,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-29 19:21:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:56,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:21:56,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:57,007 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-29 19:21:57,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:21:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-29 19:21:57,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1326557678] [2020-11-29 19:21:57,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:57,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-29 19:21:57,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790153543] [2020-11-29 19:21:57,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:57,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:21:57,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:57,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:57,026 INFO L87 Difference]: Start difference. First operand 226 states and 321 transitions. Second operand 3 states. [2020-11-29 19:21:57,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:57,227 INFO L93 Difference]: Finished difference Result 466 states and 670 transitions. [2020-11-29 19:21:57,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:57,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-11-29 19:21:57,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:57,229 INFO L225 Difference]: With dead ends: 466 [2020-11-29 19:21:57,229 INFO L226 Difference]: Without dead ends: 250 [2020-11-29 19:21:57,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 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 19:21:57,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-11-29 19:21:57,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 247. [2020-11-29 19:21:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-11-29 19:21:57,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 347 transitions. [2020-11-29 19:21:57,249 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 347 transitions. Word has length 84 [2020-11-29 19:21:57,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:57,250 INFO L481 AbstractCegarLoop]: Abstraction has 247 states and 347 transitions. [2020-11-29 19:21:57,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 347 transitions. [2020-11-29 19:21:57,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-29 19:21:57,252 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:57,252 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:57,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-29 19:21:57,464 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:57,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:57,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1619803512, now seen corresponding path program 1 times [2020-11-29 19:21:57,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:21:57,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840837618] [2020-11-29 19:21:57,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-29 19:21:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:57,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:21:57,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:57,602 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 19:21:57,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:21:57,628 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 19:21:57,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840837618] [2020-11-29 19:21:57,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:57,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 19:21:57,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468633301] [2020-11-29 19:21:57,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:21:57,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:21:57,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:21:57,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:21:57,641 INFO L87 Difference]: Start difference. First operand 247 states and 347 transitions. Second operand 4 states. [2020-11-29 19:21:57,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:57,724 INFO L93 Difference]: Finished difference Result 743 states and 1042 transitions. [2020-11-29 19:21:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:21:57,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2020-11-29 19:21:57,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:57,728 INFO L225 Difference]: With dead ends: 743 [2020-11-29 19:21:57,728 INFO L226 Difference]: Without dead ends: 506 [2020-11-29 19:21:57,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:21:57,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2020-11-29 19:21:57,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2020-11-29 19:21:57,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2020-11-29 19:21:57,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 702 transitions. [2020-11-29 19:21:57,750 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 702 transitions. Word has length 103 [2020-11-29 19:21:57,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:57,751 INFO L481 AbstractCegarLoop]: Abstraction has 506 states and 702 transitions. [2020-11-29 19:21:57,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:21:57,751 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 702 transitions. [2020-11-29 19:21:57,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-29 19:21:57,753 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:57,753 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:57,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-29 19:21:57,969 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:57,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:57,970 INFO L82 PathProgramCache]: Analyzing trace with hash -847602632, now seen corresponding path program 1 times [2020-11-29 19:21:57,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:21:57,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757815893] [2020-11-29 19:21:57,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-11-29 19:21:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:58,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:21:58,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-29 19:21:58,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:21:58,096 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-29 19:21:58,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757815893] [2020-11-29 19:21:58,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:58,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-29 19:21:58,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175924224] [2020-11-29 19:21:58,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:58,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:21:58,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:58,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:58,099 INFO L87 Difference]: Start difference. First operand 506 states and 702 transitions. Second operand 3 states. [2020-11-29 19:21:58,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:58,157 INFO L93 Difference]: Finished difference Result 1023 states and 1418 transitions. [2020-11-29 19:21:58,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:58,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-11-29 19:21:58,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:58,161 INFO L225 Difference]: With dead ends: 1023 [2020-11-29 19:21:58,162 INFO L226 Difference]: Without dead ends: 527 [2020-11-29 19:21:58,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 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 19:21:58,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-11-29 19:21:58,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2020-11-29 19:21:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-11-29 19:21:58,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 729 transitions. [2020-11-29 19:21:58,205 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 729 transitions. Word has length 103 [2020-11-29 19:21:58,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:58,206 INFO L481 AbstractCegarLoop]: Abstraction has 527 states and 729 transitions. [2020-11-29 19:21:58,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:58,206 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 729 transitions. [2020-11-29 19:21:58,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-11-29 19:21:58,208 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:58,208 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:58,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-29 19:21:58,424 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:58,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:58,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1168582955, now seen corresponding path program 1 times [2020-11-29 19:21:58,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:21:58,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [224193628] [2020-11-29 19:21:58,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-11-29 19:21:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:58,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:21:58,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:58,554 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-11-29 19:21:58,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:21:58,567 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-11-29 19:21:58,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [224193628] [2020-11-29 19:21:58,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:58,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-29 19:21:58,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238695838] [2020-11-29 19:21:58,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:58,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:21:58,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:58,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:58,570 INFO L87 Difference]: Start difference. First operand 527 states and 729 transitions. Second operand 3 states. [2020-11-29 19:21:58,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:58,608 INFO L93 Difference]: Finished difference Result 1070 states and 1478 transitions. [2020-11-29 19:21:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:58,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-11-29 19:21:58,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:58,613 INFO L225 Difference]: With dead ends: 1070 [2020-11-29 19:21:58,613 INFO L226 Difference]: Without dead ends: 553 [2020-11-29 19:21:58,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 205 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 19:21:58,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2020-11-29 19:21:58,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 553. [2020-11-29 19:21:58,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-11-29 19:21:58,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 762 transitions. [2020-11-29 19:21:58,641 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 762 transitions. Word has length 104 [2020-11-29 19:21:58,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:58,642 INFO L481 AbstractCegarLoop]: Abstraction has 553 states and 762 transitions. [2020-11-29 19:21:58,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:58,642 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 762 transitions. [2020-11-29 19:21:58,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-29 19:21:58,644 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:58,644 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:58,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-11-29 19:21:58,864 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:58,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:58,864 INFO L82 PathProgramCache]: Analyzing trace with hash -53319870, now seen corresponding path program 1 times [2020-11-29 19:21:58,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:21:58,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [32677875] [2020-11-29 19:21:58,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-11-29 19:21:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:58,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:21:58,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-11-29 19:21:59,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:21:59,018 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-11-29 19:21:59,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [32677875] [2020-11-29 19:21:59,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:59,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 19:21:59,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092392863] [2020-11-29 19:21:59,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:21:59,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:21:59,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:21:59,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:21:59,020 INFO L87 Difference]: Start difference. First operand 553 states and 762 transitions. Second operand 4 states. [2020-11-29 19:21:59,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:59,125 INFO L93 Difference]: Finished difference Result 1520 states and 2113 transitions. [2020-11-29 19:21:59,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:21:59,126 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2020-11-29 19:21:59,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:59,133 INFO L225 Difference]: With dead ends: 1520 [2020-11-29 19:21:59,133 INFO L226 Difference]: Without dead ends: 1003 [2020-11-29 19:21:59,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:21:59,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2020-11-29 19:21:59,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 1003. [2020-11-29 19:21:59,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1003 states. [2020-11-29 19:21:59,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1392 transitions. [2020-11-29 19:21:59,177 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1392 transitions. Word has length 105 [2020-11-29 19:21:59,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:59,177 INFO L481 AbstractCegarLoop]: Abstraction has 1003 states and 1392 transitions. [2020-11-29 19:21:59,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:21:59,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1392 transitions. [2020-11-29 19:21:59,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-11-29 19:21:59,186 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:59,186 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:59,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-29 19:21:59,398 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:59,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:59,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1519363111, now seen corresponding path program 1 times [2020-11-29 19:21:59,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:21:59,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [693154410] [2020-11-29 19:21:59,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-11-29 19:21:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:59,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:21:59,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:59,579 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2020-11-29 19:21:59,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:21:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2020-11-29 19:21:59,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [693154410] [2020-11-29 19:21:59,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:59,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 19:21:59,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902613528] [2020-11-29 19:21:59,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:21:59,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:21:59,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:21:59,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:21:59,626 INFO L87 Difference]: Start difference. First operand 1003 states and 1392 transitions. Second operand 4 states. [2020-11-29 19:21:59,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:59,960 INFO L93 Difference]: Finished difference Result 2091 states and 2938 transitions. [2020-11-29 19:21:59,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:21:59,961 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 173 [2020-11-29 19:21:59,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:59,967 INFO L225 Difference]: With dead ends: 2091 [2020-11-29 19:21:59,968 INFO L226 Difference]: Without dead ends: 1124 [2020-11-29 19:21:59,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:21:59,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2020-11-29 19:22:00,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1095. [2020-11-29 19:22:00,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2020-11-29 19:22:00,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1500 transitions. [2020-11-29 19:22:00,011 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1500 transitions. Word has length 173 [2020-11-29 19:22:00,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:00,011 INFO L481 AbstractCegarLoop]: Abstraction has 1095 states and 1500 transitions. [2020-11-29 19:22:00,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:22:00,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1500 transitions. [2020-11-29 19:22:00,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-11-29 19:22:00,016 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:00,016 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 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 19:22:00,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-11-29 19:22:00,228 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:00,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:00,229 INFO L82 PathProgramCache]: Analyzing trace with hash -759567935, now seen corresponding path program 1 times [2020-11-29 19:22:00,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:00,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908602674] [2020-11-29 19:22:00,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-11-29 19:22:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:00,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 19:22:00,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:22:00,460 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 456 proven. 20 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-11-29 19:22:00,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:22:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 440 proven. 36 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-11-29 19:22:00,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908602674] [2020-11-29 19:22:00,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:22:00,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-11-29 19:22:00,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245341160] [2020-11-29 19:22:00,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 19:22:00,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:22:00,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 19:22:00,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:22:00,559 INFO L87 Difference]: Start difference. First operand 1095 states and 1500 transitions. Second operand 8 states. [2020-11-29 19:22:01,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:01,400 INFO L93 Difference]: Finished difference Result 2572 states and 3550 transitions. [2020-11-29 19:22:01,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 19:22:01,401 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 194 [2020-11-29 19:22:01,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:01,409 INFO L225 Difference]: With dead ends: 2572 [2020-11-29 19:22:01,410 INFO L226 Difference]: Without dead ends: 1513 [2020-11-29 19:22:01,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-11-29 19:22:01,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2020-11-29 19:22:01,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1404. [2020-11-29 19:22:01,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1404 states. [2020-11-29 19:22:01,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1914 transitions. [2020-11-29 19:22:01,473 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1914 transitions. Word has length 194 [2020-11-29 19:22:01,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:01,473 INFO L481 AbstractCegarLoop]: Abstraction has 1404 states and 1914 transitions. [2020-11-29 19:22:01,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 19:22:01,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1914 transitions. [2020-11-29 19:22:01,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-11-29 19:22:01,478 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:01,479 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:22:01,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-11-29 19:22:01,697 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:01,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:01,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1233429647, now seen corresponding path program 1 times [2020-11-29 19:22:01,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:01,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003967646] [2020-11-29 19:22:01,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-11-29 19:22:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:01,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:22:01,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:22:01,897 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 461 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2020-11-29 19:22:01,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:22:01,949 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 461 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2020-11-29 19:22:01,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2003967646] [2020-11-29 19:22:01,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:01,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 19:22:01,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884007973] [2020-11-29 19:22:01,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:22:01,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:22:01,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:22:01,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:01,952 INFO L87 Difference]: Start difference. First operand 1404 states and 1914 transitions. Second operand 4 states. [2020-11-29 19:22:02,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:02,291 INFO L93 Difference]: Finished difference Result 2921 states and 4033 transitions. [2020-11-29 19:22:02,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:22:02,291 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 219 [2020-11-29 19:22:02,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:02,300 INFO L225 Difference]: With dead ends: 2921 [2020-11-29 19:22:02,300 INFO L226 Difference]: Without dead ends: 1574 [2020-11-29 19:22:02,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:02,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2020-11-29 19:22:02,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1544. [2020-11-29 19:22:02,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1544 states. [2020-11-29 19:22:02,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2074 transitions. [2020-11-29 19:22:02,362 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2074 transitions. Word has length 219 [2020-11-29 19:22:02,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:02,362 INFO L481 AbstractCegarLoop]: Abstraction has 1544 states and 2074 transitions. [2020-11-29 19:22:02,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:22:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2074 transitions. [2020-11-29 19:22:02,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-11-29 19:22:02,389 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:02,389 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 19:22:02,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2020-11-29 19:22:02,606 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:02,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:02,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1201727504, now seen corresponding path program 1 times [2020-11-29 19:22:02,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:02,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058423351] [2020-11-29 19:22:02,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2020-11-29 19:22:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:02,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:22:02,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:22:02,802 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-11-29 19:22:02,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:22:02,849 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-11-29 19:22:02,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058423351] [2020-11-29 19:22:02,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:02,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 19:22:02,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574767164] [2020-11-29 19:22:02,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:22:02,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:22:02,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:22:02,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:02,852 INFO L87 Difference]: Start difference. First operand 1544 states and 2074 transitions. Second operand 4 states. [2020-11-29 19:22:03,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:03,202 INFO L93 Difference]: Finished difference Result 3201 states and 4369 transitions. [2020-11-29 19:22:03,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:22:03,203 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 230 [2020-11-29 19:22:03,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:03,212 INFO L225 Difference]: With dead ends: 3201 [2020-11-29 19:22:03,213 INFO L226 Difference]: Without dead ends: 1714 [2020-11-29 19:22:03,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 456 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:03,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2020-11-29 19:22:03,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1699. [2020-11-29 19:22:03,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1699 states. [2020-11-29 19:22:03,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2249 transitions. [2020-11-29 19:22:03,306 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2249 transitions. Word has length 230 [2020-11-29 19:22:03,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:03,306 INFO L481 AbstractCegarLoop]: Abstraction has 1699 states and 2249 transitions. [2020-11-29 19:22:03,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:22:03,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2249 transitions. [2020-11-29 19:22:03,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-11-29 19:22:03,313 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:03,313 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:03,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2020-11-29 19:22:03,527 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:03,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:03,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1748413006, now seen corresponding path program 1 times [2020-11-29 19:22:03,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:03,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923312079] [2020-11-29 19:22:03,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2020-11-29 19:22:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:03,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:22:03,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:22:03,743 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 563 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2020-11-29 19:22:03,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:22:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 563 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2020-11-29 19:22:03,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923312079] [2020-11-29 19:22:03,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:03,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 19:22:03,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674770610] [2020-11-29 19:22:03,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:22:03,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:22:03,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:22:03,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:03,804 INFO L87 Difference]: Start difference. First operand 1699 states and 2249 transitions. Second operand 4 states. [2020-11-29 19:22:04,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:04,156 INFO L93 Difference]: Finished difference Result 3576 states and 4804 transitions. [2020-11-29 19:22:04,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:22:04,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 260 [2020-11-29 19:22:04,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:04,168 INFO L225 Difference]: With dead ends: 3576 [2020-11-29 19:22:04,168 INFO L226 Difference]: Without dead ends: 1934 [2020-11-29 19:22:04,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:04,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2020-11-29 19:22:04,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1884. [2020-11-29 19:22:04,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1884 states. [2020-11-29 19:22:04,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1884 states and 2454 transitions. [2020-11-29 19:22:04,256 INFO L78 Accepts]: Start accepts. Automaton has 1884 states and 2454 transitions. Word has length 260 [2020-11-29 19:22:04,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:04,257 INFO L481 AbstractCegarLoop]: Abstraction has 1884 states and 2454 transitions. [2020-11-29 19:22:04,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:22:04,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2454 transitions. [2020-11-29 19:22:04,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-11-29 19:22:04,265 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:04,265 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:04,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2020-11-29 19:22:04,482 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:04,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:04,483 INFO L82 PathProgramCache]: Analyzing trace with hash -541056141, now seen corresponding path program 1 times [2020-11-29 19:22:04,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:04,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458305180] [2020-11-29 19:22:04,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2020-11-29 19:22:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:04,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:22:04,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:22:04,732 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 633 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-11-29 19:22:04,732 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:22:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 633 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-11-29 19:22:04,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458305180] [2020-11-29 19:22:04,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:04,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 19:22:04,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819009300] [2020-11-29 19:22:04,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:22:04,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:22:04,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:22:04,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:04,799 INFO L87 Difference]: Start difference. First operand 1884 states and 2454 transitions. Second operand 4 states. [2020-11-29 19:22:04,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:04,955 INFO L93 Difference]: Finished difference Result 7200 states and 9404 transitions. [2020-11-29 19:22:04,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:22:04,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 261 [2020-11-29 19:22:04,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:04,983 INFO L225 Difference]: With dead ends: 7200 [2020-11-29 19:22:04,984 INFO L226 Difference]: Without dead ends: 5373 [2020-11-29 19:22:04,987 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:04,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5373 states. [2020-11-29 19:22:05,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5373 to 5369. [2020-11-29 19:22:05,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5369 states. [2020-11-29 19:22:05,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5369 states to 5369 states and 7007 transitions. [2020-11-29 19:22:05,186 INFO L78 Accepts]: Start accepts. Automaton has 5369 states and 7007 transitions. Word has length 261 [2020-11-29 19:22:05,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:05,186 INFO L481 AbstractCegarLoop]: Abstraction has 5369 states and 7007 transitions. [2020-11-29 19:22:05,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:22:05,186 INFO L276 IsEmpty]: Start isEmpty. Operand 5369 states and 7007 transitions. [2020-11-29 19:22:05,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-11-29 19:22:05,200 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:05,200 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:05,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2020-11-29 19:22:05,417 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:05,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:05,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1252386761, now seen corresponding path program 1 times [2020-11-29 19:22:05,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:05,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126185797] [2020-11-29 19:22:05,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2020-11-29 19:22:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:05,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:22:05,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:22:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 652 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2020-11-29 19:22:05,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:22:05,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 652 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2020-11-29 19:22:05,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2126185797] [2020-11-29 19:22:05,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:05,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 19:22:05,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864908213] [2020-11-29 19:22:05,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:22:05,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:22:05,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:22:05,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:05,803 INFO L87 Difference]: Start difference. First operand 5369 states and 7007 transitions. Second operand 4 states. [2020-11-29 19:22:06,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:06,333 INFO L93 Difference]: Finished difference Result 10996 states and 14405 transitions. [2020-11-29 19:22:06,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:22:06,333 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 285 [2020-11-29 19:22:06,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:06,368 INFO L225 Difference]: With dead ends: 10996 [2020-11-29 19:22:06,369 INFO L226 Difference]: Without dead ends: 5684 [2020-11-29 19:22:06,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:06,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5684 states. [2020-11-29 19:22:06,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5684 to 5534. [2020-11-29 19:22:06,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5534 states. [2020-11-29 19:22:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5534 states to 5534 states and 7182 transitions. [2020-11-29 19:22:06,654 INFO L78 Accepts]: Start accepts. Automaton has 5534 states and 7182 transitions. Word has length 285 [2020-11-29 19:22:06,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:06,655 INFO L481 AbstractCegarLoop]: Abstraction has 5534 states and 7182 transitions. [2020-11-29 19:22:06,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:22:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 5534 states and 7182 transitions. [2020-11-29 19:22:06,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-11-29 19:22:06,670 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:06,671 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:06,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3 [2020-11-29 19:22:06,885 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:06,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:06,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1370167796, now seen corresponding path program 1 times [2020-11-29 19:22:06,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:06,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1611806483] [2020-11-29 19:22:06,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2020-11-29 19:22:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:07,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:22:07,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:22:07,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 665 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2020-11-29 19:22:07,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:22:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 665 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2020-11-29 19:22:07,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1611806483] [2020-11-29 19:22:07,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:07,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 19:22:07,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089844639] [2020-11-29 19:22:07,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:22:07,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:22:07,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:22:07,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:07,247 INFO L87 Difference]: Start difference. First operand 5534 states and 7182 transitions. Second operand 4 states. [2020-11-29 19:22:07,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:07,741 INFO L93 Difference]: Finished difference Result 11716 states and 15430 transitions. [2020-11-29 19:22:07,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:22:07,742 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 297 [2020-11-29 19:22:07,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:07,783 INFO L225 Difference]: With dead ends: 11716 [2020-11-29 19:22:07,791 INFO L226 Difference]: Without dead ends: 6239 [2020-11-29 19:22:07,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 590 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:07,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6239 states. [2020-11-29 19:22:08,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6239 to 6089. [2020-11-29 19:22:08,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6089 states. [2020-11-29 19:22:08,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6089 states to 6089 states and 7797 transitions. [2020-11-29 19:22:08,045 INFO L78 Accepts]: Start accepts. Automaton has 6089 states and 7797 transitions. Word has length 297 [2020-11-29 19:22:08,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:08,046 INFO L481 AbstractCegarLoop]: Abstraction has 6089 states and 7797 transitions. [2020-11-29 19:22:08,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:22:08,046 INFO L276 IsEmpty]: Start isEmpty. Operand 6089 states and 7797 transitions. [2020-11-29 19:22:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-11-29 19:22:08,063 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:08,064 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:08,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3 [2020-11-29 19:22:08,278 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:08,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:08,279 INFO L82 PathProgramCache]: Analyzing trace with hash 814591708, now seen corresponding path program 1 times [2020-11-29 19:22:08,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:08,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726866195] [2020-11-29 19:22:08,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 20 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with mathsat -unsat_core_generation=3 [2020-11-29 19:22:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:08,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:22:08,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:22:08,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1446 backedges. 757 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2020-11-29 19:22:08,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:22:08,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1446 backedges. 757 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2020-11-29 19:22:08,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726866195] [2020-11-29 19:22:08,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:08,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 19:22:08,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974369599] [2020-11-29 19:22:08,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:22:08,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:22:08,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:22:08,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:08,750 INFO L87 Difference]: Start difference. First operand 6089 states and 7797 transitions. Second operand 4 states. [2020-11-29 19:22:09,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:09,317 INFO L93 Difference]: Finished difference Result 12871 states and 16735 transitions. [2020-11-29 19:22:09,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:22:09,318 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 334 [2020-11-29 19:22:09,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:09,336 INFO L225 Difference]: With dead ends: 12871 [2020-11-29 19:22:09,336 INFO L226 Difference]: Without dead ends: 6839 [2020-11-29 19:22:09,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 666 GetRequests, 664 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:09,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6839 states. [2020-11-29 19:22:09,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6839 to 6704. [2020-11-29 19:22:09,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6704 states. [2020-11-29 19:22:09,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 8472 transitions. [2020-11-29 19:22:09,655 INFO L78 Accepts]: Start accepts. Automaton has 6704 states and 8472 transitions. Word has length 334 [2020-11-29 19:22:09,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:09,656 INFO L481 AbstractCegarLoop]: Abstraction has 6704 states and 8472 transitions. [2020-11-29 19:22:09,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:22:09,656 INFO L276 IsEmpty]: Start isEmpty. Operand 6704 states and 8472 transitions. [2020-11-29 19:22:09,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-11-29 19:22:09,676 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:09,677 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:09,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 mathsat -unsat_core_generation=3 [2020-11-29 19:22:09,896 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:09,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:09,896 INFO L82 PathProgramCache]: Analyzing trace with hash 562644076, now seen corresponding path program 1 times [2020-11-29 19:22:09,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:09,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051044461] [2020-11-29 19:22:09,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 21 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with mathsat -unsat_core_generation=3 [2020-11-29 19:22:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:10,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:22:10,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:22:10,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 903 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2020-11-29 19:22:10,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:22:10,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 903 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2020-11-29 19:22:10,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2051044461] [2020-11-29 19:22:10,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:22:10,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-11-29 19:22:10,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741899804] [2020-11-29 19:22:10,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 19:22:10,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:22:10,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 19:22:10,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:22:10,346 INFO L87 Difference]: Start difference. First operand 6704 states and 8472 transitions. Second operand 6 states. [2020-11-29 19:22:11,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:11,593 INFO L93 Difference]: Finished difference Result 21875 states and 27687 transitions. [2020-11-29 19:22:11,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-29 19:22:11,593 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 357 [2020-11-29 19:22:11,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:11,623 INFO L225 Difference]: With dead ends: 21875 [2020-11-29 19:22:11,623 INFO L226 Difference]: Without dead ends: 15228 [2020-11-29 19:22:11,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 712 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-11-29 19:22:11,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15228 states. [2020-11-29 19:22:11,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15228 to 9232. [2020-11-29 19:22:11,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9232 states. [2020-11-29 19:22:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9232 states to 9232 states and 11823 transitions. [2020-11-29 19:22:11,952 INFO L78 Accepts]: Start accepts. Automaton has 9232 states and 11823 transitions. Word has length 357 [2020-11-29 19:22:11,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:11,953 INFO L481 AbstractCegarLoop]: Abstraction has 9232 states and 11823 transitions. [2020-11-29 19:22:11,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 19:22:11,953 INFO L276 IsEmpty]: Start isEmpty. Operand 9232 states and 11823 transitions. [2020-11-29 19:22:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2020-11-29 19:22:11,968 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:11,968 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 14, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:12,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 mathsat -unsat_core_generation=3 [2020-11-29 19:22:12,181 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:12,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:12,181 INFO L82 PathProgramCache]: Analyzing trace with hash 78805813, now seen corresponding path program 1 times [2020-11-29 19:22:12,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:12,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [841190319] [2020-11-29 19:22:12,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 22 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with mathsat -unsat_core_generation=3 [2020-11-29 19:22:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:12,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:22:12,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:22:12,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 928 proven. 0 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2020-11-29 19:22:12,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:22:12,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 928 proven. 0 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2020-11-29 19:22:12,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [841190319] [2020-11-29 19:22:12,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:12,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-29 19:22:12,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024211506] [2020-11-29 19:22:12,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:22:12,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:22:12,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:22:12,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:22:12,612 INFO L87 Difference]: Start difference. First operand 9232 states and 11823 transitions. Second operand 3 states. [2020-11-29 19:22:12,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:12,919 INFO L93 Difference]: Finished difference Result 19629 states and 24779 transitions. [2020-11-29 19:22:12,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:22:12,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 359 [2020-11-29 19:22:12,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:12,941 INFO L225 Difference]: With dead ends: 19629 [2020-11-29 19:22:12,941 INFO L226 Difference]: Without dead ends: 10454 [2020-11-29 19:22:12,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 715 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 19:22:12,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10454 states. [2020-11-29 19:22:13,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10454 to 10024. [2020-11-29 19:22:13,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10024 states. [2020-11-29 19:22:13,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10024 states to 10024 states and 12495 transitions. [2020-11-29 19:22:13,313 INFO L78 Accepts]: Start accepts. Automaton has 10024 states and 12495 transitions. Word has length 359 [2020-11-29 19:22:13,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:13,314 INFO L481 AbstractCegarLoop]: Abstraction has 10024 states and 12495 transitions. [2020-11-29 19:22:13,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:22:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand 10024 states and 12495 transitions. [2020-11-29 19:22:13,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2020-11-29 19:22:13,333 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:13,334 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 15, 14, 12, 12, 11, 11, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:13,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 mathsat -unsat_core_generation=3 [2020-11-29 19:22:13,546 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:13,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:13,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1396739116, now seen corresponding path program 1 times [2020-11-29 19:22:13,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:13,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782277614] [2020-11-29 19:22:13,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 23 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with mathsat -unsat_core_generation=3 [2020-11-29 19:22:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:13,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:22:13,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:22:13,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 1034 proven. 0 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2020-11-29 19:22:13,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:22:14,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 1034 proven. 0 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2020-11-29 19:22:14,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [782277614] [2020-11-29 19:22:14,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:14,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-29 19:22:14,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595312424] [2020-11-29 19:22:14,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:22:14,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:22:14,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:22:14,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:22:14,249 INFO L87 Difference]: Start difference. First operand 10024 states and 12495 transitions. Second operand 3 states. [2020-11-29 19:22:14,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:14,432 INFO L93 Difference]: Finished difference Result 15258 states and 19066 transitions. [2020-11-29 19:22:14,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:22:14,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 434 [2020-11-29 19:22:14,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:14,448 INFO L225 Difference]: With dead ends: 15258 [2020-11-29 19:22:14,448 INFO L226 Difference]: Without dead ends: 6496 [2020-11-29 19:22:14,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 866 GetRequests, 865 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 19:22:14,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6496 states. [2020-11-29 19:22:14,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6496 to 6494. [2020-11-29 19:22:14,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6494 states. [2020-11-29 19:22:14,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6494 states to 6494 states and 8175 transitions. [2020-11-29 19:22:14,662 INFO L78 Accepts]: Start accepts. Automaton has 6494 states and 8175 transitions. Word has length 434 [2020-11-29 19:22:14,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:14,663 INFO L481 AbstractCegarLoop]: Abstraction has 6494 states and 8175 transitions. [2020-11-29 19:22:14,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:22:14,663 INFO L276 IsEmpty]: Start isEmpty. Operand 6494 states and 8175 transitions. [2020-11-29 19:22:14,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2020-11-29 19:22:14,675 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:14,675 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 19, 18, 17, 15, 15, 14, 14, 13, 13, 12, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:14,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 mathsat -unsat_core_generation=3 [2020-11-29 19:22:14,888 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:14,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:14,889 INFO L82 PathProgramCache]: Analyzing trace with hash -839302048, now seen corresponding path program 1 times [2020-11-29 19:22:14,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:14,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547256405] [2020-11-29 19:22:14,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 24 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with mathsat -unsat_core_generation=3 [2020-11-29 19:22:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:15,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:22:15,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:22:15,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3220 backedges. 1527 proven. 0 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2020-11-29 19:22:15,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:22:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3220 backedges. 1527 proven. 0 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2020-11-29 19:22:15,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1547256405] [2020-11-29 19:22:15,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:15,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 19:22:15,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477425763] [2020-11-29 19:22:15,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:22:15,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:22:15,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:22:15,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:15,516 INFO L87 Difference]: Start difference. First operand 6494 states and 8175 transitions. Second operand 4 states. [2020-11-29 19:22:15,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:15,894 INFO L93 Difference]: Finished difference Result 13252 states and 16870 transitions. [2020-11-29 19:22:15,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:22:15,895 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 544 [2020-11-29 19:22:15,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:15,906 INFO L225 Difference]: With dead ends: 13252 [2020-11-29 19:22:15,906 INFO L226 Difference]: Without dead ends: 6185 [2020-11-29 19:22:15,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1086 GetRequests, 1084 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:15,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6185 states. [2020-11-29 19:22:16,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6185 to 6134. [2020-11-29 19:22:16,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6134 states. [2020-11-29 19:22:16,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6134 states to 6134 states and 7635 transitions. [2020-11-29 19:22:16,138 INFO L78 Accepts]: Start accepts. Automaton has 6134 states and 7635 transitions. Word has length 544 [2020-11-29 19:22:16,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:16,138 INFO L481 AbstractCegarLoop]: Abstraction has 6134 states and 7635 transitions. [2020-11-29 19:22:16,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:22:16,138 INFO L276 IsEmpty]: Start isEmpty. Operand 6134 states and 7635 transitions. [2020-11-29 19:22:16,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2020-11-29 19:22:16,150 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:16,150 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 21, 20, 19, 17, 17, 16, 16, 15, 15, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:16,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 mathsat -unsat_core_generation=3 [2020-11-29 19:22:16,364 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:16,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:16,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1723660819, now seen corresponding path program 1 times [2020-11-29 19:22:16,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:16,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827743742] [2020-11-29 19:22:16,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/mathsat Starting monitored process 25 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with mathsat -unsat_core_generation=3 [2020-11-29 19:22:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:16,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:22:16,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:22:16,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4151 backedges. 2135 proven. 14 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2020-11-29 19:22:16,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:22:17,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4151 backedges. 2135 proven. 14 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2020-11-29 19:22:17,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827743742] [2020-11-29 19:22:17,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:22:17,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-11-29 19:22:17,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567479894] [2020-11-29 19:22:17,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 19:22:17,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:22:17,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 19:22:17,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:22:17,232 INFO L87 Difference]: Start difference. First operand 6134 states and 7635 transitions. Second operand 6 states. [2020-11-29 19:22:17,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:17,503 INFO L93 Difference]: Finished difference Result 6347 states and 7905 transitions. [2020-11-29 19:22:17,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:22:17,504 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 619 [2020-11-29 19:22:17,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:17,504 INFO L225 Difference]: With dead ends: 6347 [2020-11-29 19:22:17,504 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:22:17,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1240 GetRequests, 1234 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:22:17,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:22:17,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:22:17,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:22:17,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:22:17,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 619 [2020-11-29 19:22:17,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:17,510 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:22:17,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 19:22:17,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:22:17,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:22:17,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 mathsat -unsat_core_generation=3 [2020-11-29 19:22:17,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:22:17,992 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2020-11-29 19:22:18,120 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 136 [2020-11-29 19:22:18,851 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 181 [2020-11-29 19:22:19,476 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 52 [2020-11-29 19:22:19,723 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2020-11-29 19:22:20,093 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 63 [2020-11-29 19:22:20,229 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 44 [2020-11-29 19:22:20,408 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2020-11-29 19:22:21,505 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 118 [2020-11-29 19:22:21,717 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 52 [2020-11-29 19:22:21,851 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 32 [2020-11-29 19:22:22,200 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 52 [2020-11-29 19:22:22,370 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 60 [2020-11-29 19:22:22,834 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 63 [2020-11-29 19:22:22,959 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2020-11-29 19:22:22,987 INFO L270 CegarLoopResult]: At program point L135(lines 131 556) the Hoare annotation is: (and (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963200 32)))) (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32)) (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963197 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962927 32)) (_ bv0 32))) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294950912 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294955004 32)) (_ bv0 32))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294946816 32)) (_ bv0 32))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962928 32)) (_ bv0 32))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962864 32)) (_ bv0 32)))) [2020-11-29 19:22:22,987 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 19:22:22,988 INFO L270 CegarLoopResult]: At program point L532(lines 95 598) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32)))) (let ((.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962784 32)))) (.cse10 (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294967293 32)) (_ bv0 32))) (.cse0 (not .cse4)) (.cse1 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (.cse12 (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962928 32)) (_ bv0 32))) (.cse11 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 (_ bv4294962928 32)) (_ bv0 32)))) (.cse9 (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962896 32)) (_ bv0 32))) (.cse5 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0))) (.cse6 (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0)) (.cse2 (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962768 32)) (_ bv0 32))) (.cse7 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0)) (.cse8 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse6 .cse3 .cse7 .cse8) (and .cse4 .cse5 .cse6 .cse7 (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962800 32)) (_ bv0 32)) .cse8) (and .cse4 .cse1 .cse9) (and .cse4 .cse5 .cse6 (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962848 32)) (_ bv0 32)) .cse7 .cse8) (and .cse4 .cse5 .cse6 (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962880 32)) (_ bv0 32))) (and .cse4 .cse5 .cse6 .cse7 (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962864 32)) (_ bv0 32)) .cse8) (and .cse4 .cse5 .cse6 (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962816 32))) .cse7 .cse8) (and .cse0 .cse10 .cse1 .cse11) (and .cse0 .cse10 .cse6 .cse11 .cse7 .cse8) (and .cse4 .cse5 .cse6 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962927 32)) (_ bv0 32))) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294950912 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294955004 32)) (_ bv0 32))) .cse7 (not .cse12) .cse8 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963200 32)))) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963197 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294946816 32)) (_ bv0 32))) (= (_ bv4560 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0)) (and .cse0 (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 (_ bv4294967293 32))) .cse1 (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962944 32)) (_ bv0 32))) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962736 32)))) (and .cse4 .cse5 .cse6 (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962832 32)) (_ bv0 32)) .cse7 .cse8) (and (= (_ bv0 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse12) (and .cse4 .cse5 .cse6 .cse11 .cse7 .cse9 .cse8) (and .cse4 .cse5 .cse6 .cse2 .cse7 .cse8) (and (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962912 32)) (_ bv0 32)) (= (_ bv1 32) ULTIMATE.start_ssl3_connect_~blastFlag~0))))) [2020-11-29 19:22:22,988 INFO L277 CegarLoopResult]: At program point L599(lines 94 600) the Hoare annotation is: true [2020-11-29 19:22:22,988 INFO L274 CegarLoopResult]: For program point L170(lines 170 543) no Hoare annotation was computed. [2020-11-29 19:22:22,988 INFO L274 CegarLoopResult]: For program point L137(lines 137 554) no Hoare annotation was computed. [2020-11-29 19:22:22,988 INFO L274 CegarLoopResult]: For program point L104(lines 104 565) no Hoare annotation was computed. [2020-11-29 19:22:22,988 INFO L274 CegarLoopResult]: For program point L369(lines 369 373) no Hoare annotation was computed. [2020-11-29 19:22:22,988 INFO L274 CegarLoopResult]: For program point L369-2(lines 369 373) no Hoare annotation was computed. [2020-11-29 19:22:22,989 INFO L274 CegarLoopResult]: For program point L303-1(lines 303 317) no Hoare annotation was computed. [2020-11-29 19:22:22,989 INFO L270 CegarLoopResult]: At program point L204(lines 101 566) the Hoare annotation is: (and (= (_ bv0 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963197 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962927 32)) (_ bv0 32))) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294950912 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294955004 32)) (_ bv0 32))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294946816 32)) (_ bv0 32))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962928 32)) (_ bv0 32))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962864 32)) (_ bv0 32))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962896 32)) (_ bv0 32)))) [2020-11-29 19:22:22,989 INFO L270 CegarLoopResult]: At program point L171(lines 167 544) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32)) (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962927 32)) (_ bv0 32))) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294950912 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294955004 32)) (_ bv0 32))) (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962928 32)) (_ bv0 32))) (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963200 32)))) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963197 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294946816 32)) (_ bv0 32))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962864 32)) (_ bv0 32)))) [2020-11-29 19:22:22,989 INFO L274 CegarLoopResult]: For program point L568(lines 568 596) no Hoare annotation was computed. [2020-11-29 19:22:22,989 INFO L274 CegarLoopResult]: For program point L569(lines 569 593) no Hoare annotation was computed. [2020-11-29 19:22:22,989 INFO L274 CegarLoopResult]: For program point L503-1(lines 199 531) no Hoare annotation was computed. [2020-11-29 19:22:22,989 INFO L274 CegarLoopResult]: For program point L338(lines 338 343) no Hoare annotation was computed. [2020-11-29 19:22:22,989 INFO L274 CegarLoopResult]: For program point L173(lines 173 542) no Hoare annotation was computed. [2020-11-29 19:22:22,989 INFO L274 CegarLoopResult]: For program point L140(lines 140 553) no Hoare annotation was computed. [2020-11-29 19:22:22,989 INFO L274 CegarLoopResult]: For program point L107(lines 107 564) no Hoare annotation was computed. [2020-11-29 19:22:22,990 INFO L274 CegarLoopResult]: For program point L603(lines 603 607) no Hoare annotation was computed. [2020-11-29 19:22:22,990 INFO L274 CegarLoopResult]: For program point L570(lines 570 579) no Hoare annotation was computed. [2020-11-29 19:22:22,990 INFO L274 CegarLoopResult]: For program point L603-2(lines 603 607) no Hoare annotation was computed. [2020-11-29 19:22:22,990 INFO L274 CegarLoopResult]: For program point L570-2(lines 569 591) no Hoare annotation was computed. [2020-11-29 19:22:22,990 INFO L270 CegarLoopResult]: At program point L141(lines 137 554) the Hoare annotation is: (and (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963200 32)))) (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32)) (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963197 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962927 32)) (_ bv0 32))) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294950912 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294955004 32)) (_ bv0 32))) (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294946816 32)) (_ bv0 32))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962928 32)) (_ bv0 32))) (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0))) [2020-11-29 19:22:22,990 INFO L274 CegarLoopResult]: For program point L75(lines 75 83) no Hoare annotation was computed. [2020-11-29 19:22:22,990 INFO L274 CegarLoopResult]: For program point L307(lines 307 311) no Hoare annotation was computed. [2020-11-29 19:22:22,990 INFO L274 CegarLoopResult]: For program point L307-2(lines 305 317) no Hoare annotation was computed. [2020-11-29 19:22:22,990 INFO L274 CegarLoopResult]: For program point L572(lines 572 576) no Hoare annotation was computed. [2020-11-29 19:22:22,990 INFO L274 CegarLoopResult]: For program point L440(lines 440 445) no Hoare annotation was computed. [2020-11-29 19:22:22,990 INFO L274 CegarLoopResult]: For program point L275(lines 275 279) no Hoare annotation was computed. [2020-11-29 19:22:22,991 INFO L274 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-11-29 19:22:22,991 INFO L274 CegarLoopResult]: For program point L176(lines 176 541) no Hoare annotation was computed. [2020-11-29 19:22:22,991 INFO L274 CegarLoopResult]: For program point L143(lines 143 552) no Hoare annotation was computed. [2020-11-29 19:22:22,991 INFO L274 CegarLoopResult]: For program point L209-2(lines 199 531) no Hoare annotation was computed. [2020-11-29 19:22:22,991 INFO L274 CegarLoopResult]: For program point L110(lines 110 563) no Hoare annotation was computed. [2020-11-29 19:22:22,991 INFO L274 CegarLoopResult]: For program point L474(lines 474 478) no Hoare annotation was computed. [2020-11-29 19:22:22,991 INFO L270 CegarLoopResult]: At program point L177(lines 173 542) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse3 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962927 32)) (_ bv0 32)))) (.cse4 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294950912 32))))) (.cse5 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294955004 32)) (_ bv0 32)))) (.cse7 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962928 32)) (_ bv0 32)))) (.cse1 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963200 32))))) (.cse2 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963197 32))))) (.cse6 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294946816 32)) (_ bv0 32)))) (.cse8 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962864 32)) (_ bv0 32))))) (or (and (not .cse0) .cse1 .cse2 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962896 32)) (_ bv0 32)))) (and .cse0 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0) .cse3 .cse4 .cse5 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0) .cse7 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse1 .cse2 .cse6 .cse8))) [2020-11-29 19:22:22,991 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-29 19:22:22,991 INFO L274 CegarLoopResult]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2020-11-29 19:22:22,991 INFO L274 CegarLoopResult]: For program point L508-1(lines 508 512) no Hoare annotation was computed. [2020-11-29 19:22:22,993 INFO L274 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-11-29 19:22:22,993 INFO L274 CegarLoopResult]: For program point L245(lines 245 250) no Hoare annotation was computed. [2020-11-29 19:22:22,993 INFO L274 CegarLoopResult]: For program point L179(lines 179 540) no Hoare annotation was computed. [2020-11-29 19:22:22,993 INFO L274 CegarLoopResult]: For program point L146(lines 146 551) no Hoare annotation was computed. [2020-11-29 19:22:22,993 INFO L274 CegarLoopResult]: For program point L113(lines 113 562) no Hoare annotation was computed. [2020-11-29 19:22:22,993 INFO L270 CegarLoopResult]: At program point L147(lines 143 552) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32)) (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962927 32)) (_ bv0 32))) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294950912 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294955004 32)) (_ bv0 32))) (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962928 32)) (_ bv0 32))) (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963200 32)))) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963197 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294946816 32)) (_ bv0 32))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962864 32)) (_ bv0 32)))) [2020-11-29 19:22:22,994 INFO L274 CegarLoopResult]: For program point L479(lines 479 483) no Hoare annotation was computed. [2020-11-29 19:22:22,994 INFO L274 CegarLoopResult]: For program point L479-2(lines 479 483) no Hoare annotation was computed. [2020-11-29 19:22:22,994 INFO L274 CegarLoopResult]: For program point L182(lines 182 539) no Hoare annotation was computed. [2020-11-29 19:22:22,994 INFO L274 CegarLoopResult]: For program point L149(lines 149 550) no Hoare annotation was computed. [2020-11-29 19:22:22,994 INFO L274 CegarLoopResult]: For program point L116(lines 116 561) no Hoare annotation was computed. [2020-11-29 19:22:22,994 INFO L274 CegarLoopResult]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-11-29 19:22:22,994 INFO L274 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-11-29 19:22:22,995 INFO L270 CegarLoopResult]: At program point L183(lines 179 540) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse3 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962927 32)) (_ bv0 32)))) (.cse4 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294950912 32))))) (.cse5 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294955004 32)) (_ bv0 32)))) (.cse7 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962928 32)) (_ bv0 32)))) (.cse1 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963200 32))))) (.cse2 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963197 32))))) (.cse6 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294946816 32)) (_ bv0 32)))) (.cse8 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962864 32)) (_ bv0 32))))) (or (and (not .cse0) .cse1 .cse2 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962896 32)) (_ bv0 32)))) (and .cse0 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0) .cse3 .cse4 .cse5 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0) .cse7 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse1 .cse2 .cse6 .cse8))) [2020-11-29 19:22:22,995 INFO L270 CegarLoopResult]: At program point L117(lines 113 562) the Hoare annotation is: (and (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963200 32)))) (= (_ bv0 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963197 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962927 32)) (_ bv0 32))) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294950912 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294955004 32)) (_ bv0 32))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294946816 32)) (_ bv0 32))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962864 32)) (_ bv0 32))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962896 32)) (_ bv0 32)))) [2020-11-29 19:22:22,995 INFO L270 CegarLoopResult]: At program point L349(lines 67 616) the Hoare annotation is: false [2020-11-29 19:22:22,995 INFO L274 CegarLoopResult]: For program point L85(lines 85 93) no Hoare annotation was computed. [2020-11-29 19:22:22,995 INFO L277 CegarLoopResult]: At program point L614(lines 67 616) the Hoare annotation is: true [2020-11-29 19:22:22,996 INFO L274 CegarLoopResult]: For program point L581(lines 581 587) no Hoare annotation was computed. [2020-11-29 19:22:22,996 INFO L274 CegarLoopResult]: For program point L515(lines 515 519) no Hoare annotation was computed. [2020-11-29 19:22:22,996 INFO L274 CegarLoopResult]: For program point L515-2(lines 515 519) no Hoare annotation was computed. [2020-11-29 19:22:22,996 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:22:22,996 INFO L274 CegarLoopResult]: For program point L284(lines 284 288) no Hoare annotation was computed. [2020-11-29 19:22:22,996 INFO L274 CegarLoopResult]: For program point L284-2(lines 199 531) no Hoare annotation was computed. [2020-11-29 19:22:22,996 INFO L274 CegarLoopResult]: For program point L185(lines 185 538) no Hoare annotation was computed. [2020-11-29 19:22:22,996 INFO L274 CegarLoopResult]: For program point L152(lines 152 549) no Hoare annotation was computed. [2020-11-29 19:22:22,997 INFO L274 CegarLoopResult]: For program point L119(lines 119 560) no Hoare annotation was computed. [2020-11-29 19:22:22,997 INFO L274 CegarLoopResult]: For program point L86(lines 86 90) no Hoare annotation was computed. [2020-11-29 19:22:22,997 INFO L277 CegarLoopResult]: At program point L615(lines 10 617) the Hoare annotation is: true [2020-11-29 19:22:22,997 INFO L274 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-11-29 19:22:22,997 INFO L274 CegarLoopResult]: For program point L353(lines 353 357) no Hoare annotation was computed. [2020-11-29 19:22:22,997 INFO L274 CegarLoopResult]: For program point L221(lines 221 238) no Hoare annotation was computed. [2020-11-29 19:22:22,997 INFO L274 CegarLoopResult]: For program point L188(lines 188 537) no Hoare annotation was computed. [2020-11-29 19:22:22,997 INFO L274 CegarLoopResult]: For program point L155(lines 155 548) no Hoare annotation was computed. [2020-11-29 19:22:22,998 INFO L274 CegarLoopResult]: For program point L221-2(lines 199 531) no Hoare annotation was computed. [2020-11-29 19:22:22,998 INFO L274 CegarLoopResult]: For program point L122(lines 122 559) no Hoare annotation was computed. [2020-11-29 19:22:22,998 INFO L270 CegarLoopResult]: At program point L189(lines 185 538) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse3 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962927 32)) (_ bv0 32)))) (.cse4 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294950912 32))))) (.cse5 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294955004 32)) (_ bv0 32)))) (.cse7 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962928 32)) (_ bv0 32)))) (.cse1 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963200 32))))) (.cse2 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963197 32))))) (.cse6 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294946816 32)) (_ bv0 32)))) (.cse8 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962864 32)) (_ bv0 32))))) (or (and (not .cse0) .cse1 .cse2 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962896 32)) (_ bv0 32)))) (and .cse0 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0) .cse3 .cse4 .cse5 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0) .cse7 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse1 .cse2 .cse6 .cse8 (= (_ bv4560 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0)))) [2020-11-29 19:22:22,998 INFO L270 CegarLoopResult]: At program point L123(lines 119 560) the Hoare annotation is: (let ((.cse2 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962927 32)) (_ bv0 32)))) (.cse3 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294950912 32))))) (.cse4 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294955004 32)) (_ bv0 32)))) (.cse6 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962928 32)) (_ bv0 32)))) (.cse0 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963200 32))))) (.cse1 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963197 32))))) (.cse5 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294946816 32)) (_ bv0 32)))) (.cse7 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962864 32)) (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= (_ bv1 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse5 .cse6 .cse7 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962896 32)) (_ bv0 32)))) (and (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32)) (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0) .cse2 .cse3 .cse4 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0) .cse6 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse0 .cse1 .cse5 .cse7 (= (_ bv4560 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0)))) [2020-11-29 19:22:22,999 INFO L274 CegarLoopResult]: For program point L487-1(lines 487 499) no Hoare annotation was computed. [2020-11-29 19:22:22,999 INFO L274 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-11-29 19:22:22,999 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:22:22,999 INFO L274 CegarLoopResult]: For program point L223(lines 223 228) no Hoare annotation was computed. [2020-11-29 19:22:22,999 INFO L274 CegarLoopResult]: For program point L191(lines 191 536) no Hoare annotation was computed. [2020-11-29 19:22:22,999 INFO L274 CegarLoopResult]: For program point L158(lines 158 547) no Hoare annotation was computed. [2020-11-29 19:22:22,999 INFO L274 CegarLoopResult]: For program point L125(lines 125 558) no Hoare annotation was computed. [2020-11-29 19:22:22,999 INFO L274 CegarLoopResult]: For program point L522(lines 522 526) no Hoare annotation was computed. [2020-11-29 19:22:23,000 INFO L270 CegarLoopResult]: At program point L192(lines 191 536) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse1 (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962944 32)) (_ bv0 32)))) (or (and (not .cse0) (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 (_ bv4294967293 32))) (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse1) (and .cse0 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0) (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0) (= (_ bv4560 32) ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0) (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse1))) [2020-11-29 19:22:23,000 INFO L270 CegarLoopResult]: At program point L159(lines 149 550) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32)) (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962927 32)) (_ bv0 32))) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294950912 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294955004 32)) (_ bv0 32))) (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962928 32)) (_ bv0 32))) (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963200 32)))) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963197 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294946816 32)) (_ bv0 32))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962864 32)) (_ bv0 32)))) [2020-11-29 19:22:23,000 INFO L274 CegarLoopResult]: For program point L490(lines 490 495) no Hoare annotation was computed. [2020-11-29 19:22:23,000 INFO L274 CegarLoopResult]: For program point L457(lines 457 468) no Hoare annotation was computed. [2020-11-29 19:22:23,000 INFO L274 CegarLoopResult]: For program point L457-1(lines 457 468) no Hoare annotation was computed. [2020-11-29 19:22:23,001 INFO L274 CegarLoopResult]: For program point L325(lines 325 329) no Hoare annotation was computed. [2020-11-29 19:22:23,001 INFO L274 CegarLoopResult]: For program point L259(lines 259 267) no Hoare annotation was computed. [2020-11-29 19:22:23,001 INFO L274 CegarLoopResult]: For program point L325-2(lines 199 531) no Hoare annotation was computed. [2020-11-29 19:22:23,001 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:22:23,001 INFO L274 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-11-29 19:22:23,001 INFO L274 CegarLoopResult]: For program point L194(lines 194 535) no Hoare annotation was computed. [2020-11-29 19:22:23,001 INFO L274 CegarLoopResult]: For program point L161(lines 161 546) no Hoare annotation was computed. [2020-11-29 19:22:23,001 INFO L274 CegarLoopResult]: For program point L128(lines 128 557) no Hoare annotation was computed. [2020-11-29 19:22:23,002 INFO L274 CegarLoopResult]: For program point L95-1(lines 67 616) no Hoare annotation was computed. [2020-11-29 19:22:23,002 INFO L274 CegarLoopResult]: For program point L459(lines 459 465) no Hoare annotation was computed. [2020-11-29 19:22:23,002 INFO L274 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-11-29 19:22:23,002 INFO L274 CegarLoopResult]: For program point L294-2(lines 294 298) no Hoare annotation was computed. [2020-11-29 19:22:23,002 INFO L277 CegarLoopResult]: At program point L195(lines 194 535) the Hoare annotation is: true [2020-11-29 19:22:23,002 INFO L270 CegarLoopResult]: At program point L129(lines 125 558) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32))) (.cse3 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962927 32)) (_ bv0 32)))) (.cse4 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294950912 32))))) (.cse5 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294955004 32)) (_ bv0 32)))) (.cse7 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962928 32)) (_ bv0 32)))) (.cse0 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963200 32))))) (.cse2 (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963197 32))))) (.cse6 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294946816 32)) (_ bv0 32)))) (.cse8 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962864 32)) (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 (= (_ bv2 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0) .cse3 .cse4 (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 (_ bv4294962928 32)) (_ bv0 32))) .cse5 (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0) .cse7 (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) .cse0 .cse2 .cse6 .cse8))) [2020-11-29 19:22:23,002 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-11-29 19:22:23,003 INFO L274 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-11-29 19:22:23,003 INFO L274 CegarLoopResult]: For program point L229(lines 229 234) no Hoare annotation was computed. [2020-11-29 19:22:23,003 INFO L274 CegarLoopResult]: For program point L262-2(lines 199 531) no Hoare annotation was computed. [2020-11-29 19:22:23,003 INFO L277 CegarLoopResult]: At program point L626(lines 618 628) the Hoare annotation is: true [2020-11-29 19:22:23,003 INFO L274 CegarLoopResult]: For program point L164(lines 164 545) no Hoare annotation was computed. [2020-11-29 19:22:23,003 INFO L274 CegarLoopResult]: For program point L131(lines 131 556) no Hoare annotation was computed. [2020-11-29 19:22:23,003 INFO L274 CegarLoopResult]: For program point L98(lines 98 567) no Hoare annotation was computed. [2020-11-29 19:22:23,004 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:22:23,004 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:22:23,004 INFO L274 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2020-11-29 19:22:23,004 INFO L274 CegarLoopResult]: For program point L429-2(lines 199 531) no Hoare annotation was computed. [2020-11-29 19:22:23,004 INFO L277 CegarLoopResult]: At program point L198(lines 197 534) the Hoare annotation is: true [2020-11-29 19:22:23,004 INFO L270 CegarLoopResult]: At program point L165(lines 161 546) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_connect_~s__hit~0 (_ bv0 32)) (not (= (_ bv5 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (= (_ bv61087 32) ULTIMATE.start_ssl3_connect_~ag_Y~0) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962927 32)) (_ bv0 32))) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294950912 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294955004 32)) (_ bv0 32))) (= (_ bv65535 32) ULTIMATE.start_ssl3_connect_~ag_X~0) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962928 32)) (_ bv0 32))) (not (= (_ bv3 32) ULTIMATE.start_ssl3_connect_~blastFlag~0)) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963200 32)))) (not (= (_ bv0 32) (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294963197 32)))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294946816 32)) (_ bv0 32))) (not (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294962864 32)) (_ bv0 32)))) [2020-11-29 19:22:23,005 INFO L270 CegarLoopResult]: At program point L99(lines 98 567) the Hoare annotation is: (and (= (_ bv0 32) ULTIMATE.start_ssl3_connect_~blastFlag~0) (= (bvadd ULTIMATE.start_ssl3_connect_~s__state~0 (_ bv4294955004 32)) (_ bv0 32))) [2020-11-29 19:22:23,005 INFO L274 CegarLoopResult]: For program point L364(lines 364 368) no Hoare annotation was computed. [2020-11-29 19:22:23,005 INFO L274 CegarLoopResult]: For program point L398(lines 398 403) no Hoare annotation was computed. [2020-11-29 19:22:23,005 INFO L274 CegarLoopResult]: For program point L398-2(lines 398 403) no Hoare annotation was computed. [2020-11-29 19:22:23,005 INFO L274 CegarLoopResult]: For program point L167(lines 167 544) no Hoare annotation was computed. [2020-11-29 19:22:23,005 INFO L274 CegarLoopResult]: For program point L134(lines 134 555) no Hoare annotation was computed. [2020-11-29 19:22:23,005 INFO L274 CegarLoopResult]: For program point L101(lines 101 566) no Hoare annotation was computed. [2020-11-29 19:22:23,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:22:23 BoogieIcfgContainer [2020-11-29 19:22:23,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:22:23,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:22:23,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:22:23,076 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:22:23,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:21:53" (3/4) ... [2020-11-29 19:22:23,079 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:22:23,107 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-29 19:22:23,108 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:22:23,109 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:22:23,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:22:23,254 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b70bf042-aeca-47d3-b949-449d82044020/bin/uautomizer/witness.graphml [2020-11-29 19:22:23,254 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:22:23,255 INFO L168 Benchmark]: Toolchain (without parser) took 31866.99 ms. Allocated memory was 65.0 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 47.9 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 272.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:23,255 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 65.0 MB. Free memory is still 47.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:22:23,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.09 ms. Allocated memory is still 65.0 MB. Free memory was 47.7 MB in the beginning and 46.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:23,256 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.96 ms. Allocated memory is still 65.0 MB. Free memory was 46.1 MB in the beginning and 43.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:23,257 INFO L168 Benchmark]: Boogie Preprocessor took 63.35 ms. Allocated memory is still 65.0 MB. Free memory was 43.5 MB in the beginning and 41.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:23,257 INFO L168 Benchmark]: RCFGBuilder took 1006.35 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 41.4 MB in the beginning and 60.0 MB in the end (delta: -18.6 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:23,257 INFO L168 Benchmark]: TraceAbstraction took 29929.88 ms. Allocated memory was 90.2 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 59.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2020-11-29 19:22:23,258 INFO L168 Benchmark]: Witness Printer took 178.64 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:23,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 65.0 MB. Free memory is still 47.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 611.09 ms. Allocated memory is still 65.0 MB. Free memory was 47.7 MB in the beginning and 46.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.96 ms. Allocated memory is still 65.0 MB. Free memory was 46.1 MB in the beginning and 43.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.35 ms. Allocated memory is still 65.0 MB. Free memory was 43.5 MB in the beginning and 41.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1006.35 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 41.4 MB in the beginning and 60.0 MB in the end (delta: -18.6 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29929.88 ms. Allocated memory was 90.2 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 59.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. * Witness Printer took 178.64 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 10.5 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: 161]: Loop Invariant Derived loop invariant: (((((((((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && 65535bv32 == ag_X) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(3bv32 == blastFlag)) && !(0bv32 == ~bvadd64(s__state, 4294963200bv32))) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((((!(0bv32 == ~bvadd64(s__state, 4294963200bv32)) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && 1bv32 == blastFlag) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962896bv32) == 0bv32)) || (((((((((((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && 65535bv32 == ag_X) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(3bv32 == blastFlag)) && !(0bv32 == ~bvadd64(s__state, 4294963200bv32))) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32)) && 4560bv32 == s__s3__tmp__next_state___0) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((((((((((!(s__hit == 0bv32) && !(0bv32 == ~bvadd64(s__state, 4294963200bv32))) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && 2bv32 == blastFlag) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962896bv32) == 0bv32)) || ((((((((((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && 65535bv32 == ag_X) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(3bv32 == blastFlag)) && !(0bv32 == ~bvadd64(s__state, 4294963200bv32))) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32)) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((((((((!(0bv32 == ~bvadd64(s__state, 4294963200bv32)) && s__hit == 0bv32) && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((((((((!(s__hit == 0bv32) && !(0bv32 == ~bvadd64(s__state, 4294963200bv32))) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && 2bv32 == blastFlag) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962896bv32) == 0bv32)) || (((((((((((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && 65535bv32 == ag_X) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(3bv32 == blastFlag)) && !(0bv32 == ~bvadd64(s__state, 4294963200bv32))) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32)) && 4560bv32 == s__s3__tmp__next_state___0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (((((((((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && 65535bv32 == ag_X) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(3bv32 == blastFlag)) && !(0bv32 == ~bvadd64(s__state, 4294963200bv32))) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(s__hit == 0bv32) && 2bv32 == blastFlag) && ~bvadd64(s__state, 4294962768bv32) == 0bv32) || ((!(s__hit == 0bv32) && 2bv32 == blastFlag) && 0bv32 == ~bvadd64(s__state, 4294962784bv32))) || (((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && 0bv32 == ~bvadd64(s__state, 4294962784bv32)) && 65535bv32 == ag_X) && !(3bv32 == blastFlag))) || (((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && 65535bv32 == ag_X) && ~bvadd64(s__state, 4294962800bv32) == 0bv32) && !(3bv32 == blastFlag))) || ((s__hit == 0bv32 && 2bv32 == blastFlag) && ~bvadd64(s__state, 4294962896bv32) == 0bv32)) || (((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && ~bvadd64(s__state, 4294962848bv32) == 0bv32) && 65535bv32 == ag_X) && !(3bv32 == blastFlag))) || (((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && ~bvadd64(s__state, 4294962880bv32) == 0bv32)) || (((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && 65535bv32 == ag_X) && ~bvadd64(s__state, 4294962864bv32) == 0bv32) && !(3bv32 == blastFlag))) || (((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && 0bv32 == ~bvadd64(s__state, 4294962816bv32)) && 65535bv32 == ag_X) && !(3bv32 == blastFlag))) || (((!(s__hit == 0bv32) && ~bvadd64(s__state, 4294967293bv32) == 0bv32) && 2bv32 == blastFlag) && !(~bvadd64(s__s3__tmp__next_state___0, 4294962928bv32) == 0bv32))) || (((((!(s__hit == 0bv32) && ~bvadd64(s__state, 4294967293bv32) == 0bv32) && 61087bv32 == ag_Y) && !(~bvadd64(s__s3__tmp__next_state___0, 4294962928bv32) == 0bv32)) && 65535bv32 == ag_X) && !(3bv32 == blastFlag))) || ((((((((((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && 65535bv32 == ag_X) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(3bv32 == blastFlag)) && !(0bv32 == ~bvadd64(s__state, 4294963200bv32))) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && 4560bv32 == s__s3__tmp__next_state___0)) || (((!(s__hit == 0bv32) && 0bv32 == ~bvadd64(s__s3__tmp__next_state___0, 4294967293bv32)) && 2bv32 == blastFlag) && ~bvadd64(s__state, 4294962944bv32) == 0bv32)) || ((!(s__hit == 0bv32) && 2bv32 == blastFlag) && 0bv32 == ~bvadd64(s__state, 4294962736bv32))) || (((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && ~bvadd64(s__state, 4294962832bv32) == 0bv32) && 65535bv32 == ag_X) && !(3bv32 == blastFlag))) || (0bv32 == blastFlag && ~bvadd64(s__state, 4294962928bv32) == 0bv32)) || ((((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && !(~bvadd64(s__s3__tmp__next_state___0, 4294962928bv32) == 0bv32)) && 65535bv32 == ag_X) && ~bvadd64(s__state, 4294962896bv32) == 0bv32) && !(3bv32 == blastFlag))) || (((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && ~bvadd64(s__state, 4294962768bv32) == 0bv32) && 65535bv32 == ag_X) && !(3bv32 == blastFlag))) || (~bvadd64(s__state, 4294962912bv32) == 0bv32 && 1bv32 == blastFlag) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: (((((((((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && 65535bv32 == ag_X) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(3bv32 == blastFlag)) && !(0bv32 == ~bvadd64(s__state, 4294963200bv32))) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == ~bvadd64(s__state, 4294963200bv32)) && 0bv32 == blastFlag) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962896bv32) == 0bv32) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((!(s__hit == 0bv32) && 0bv32 == ~bvadd64(s__s3__tmp__next_state___0, 4294967293bv32)) && 2bv32 == blastFlag) && ~bvadd64(s__state, 4294962944bv32) == 0bv32) || ((((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && 65535bv32 == ag_X) && 4560bv32 == s__s3__tmp__next_state___0) && !(3bv32 == blastFlag)) && ~bvadd64(s__state, 4294962944bv32) == 0bv32) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && 65535bv32 == ag_X) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(3bv32 == blastFlag)) && !(0bv32 == ~bvadd64(s__state, 4294963200bv32))) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: (((((((((!(0bv32 == ~bvadd64(s__state, 4294963200bv32)) && s__hit == 0bv32) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && 2bv32 == blastFlag) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32)) || (((((((((((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__s3__tmp__next_state___0, 4294962928bv32) == 0bv32)) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && 65535bv32 == ag_X) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(3bv32 == blastFlag)) && !(0bv32 == ~bvadd64(s__state, 4294963200bv32))) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((0bv32 == blastFlag && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962896bv32) == 0bv32) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((((((((!(s__hit == 0bv32) && !(0bv32 == ~bvadd64(s__state, 4294963200bv32))) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && 2bv32 == blastFlag) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962896bv32) == 0bv32)) || ((((((((((((s__hit == 0bv32 && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && 65535bv32 == ag_X) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(3bv32 == blastFlag)) && !(0bv32 == ~bvadd64(s__state, 4294963200bv32))) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962864bv32) == 0bv32)) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((!(0bv32 == ~bvadd64(s__state, 4294963200bv32)) && s__hit == 0bv32) && !(5bv32 == blastFlag)) && 61087bv32 == ag_Y) && !(0bv32 == ~bvadd64(s__state, 4294963197bv32))) && !(~bvadd64(s__state, 4294962927bv32) == 0bv32)) && !(0bv32 == ~bvadd64(s__state, 4294950912bv32))) && !(~bvadd64(s__state, 4294955004bv32) == 0bv32)) && 65535bv32 == ag_X) && !(~bvadd64(s__state, 4294946816bv32) == 0bv32)) && !(~bvadd64(s__state, 4294962928bv32) == 0bv32)) && !(3bv32 == blastFlag) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 0bv32 == blastFlag && ~bvadd64(s__state, 4294955004bv32) == 0bv32 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.5s, OverallIterations: 24, TraceHistogramMax: 22, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4339 SDtfs, 3751 SDslu, 4019 SDs, 0 SdLazy, 3734 SolverSat, 660 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10590 GetRequests, 10534 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10024occurred in iteration=21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 24 MinimizatonAttempts, 7174 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 23 PreInvPairs, 272 NumberOfFragments, 1596 HoareAnnotationTreeSize, 23 FomulaSimplifications, 24889 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 23 FomulaSimplificationsInter, 18420 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 5310 NumberOfCodeBlocks, 5310 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 10572 ConstructedInterpolants, 0 QuantifiedInterpolants, 5023560 SizeOfPredicates, 24 NumberOfNonLiveVariables, 7315 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 48 InterpolantComputations, 42 PerfectInterpolantSequences, 43356/43460 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...